\u0130ki. PCB kablo direnci-kablo direnci nedir, nas\u0131l kullan\u0131l\u0131r<\/h2>\n
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Evrendeki her maddenin diren\u00e7leri ve di\u011fer parazit \u00f6zellikleri vard\u0131r PCB kablo direnci tasar\u0131m a\u015famas\u0131nda hesaplanmas\u0131 ve analiz etmesi gereken anahtar fakt\u00f6rlerden biridir Bak\u0131r bas\u0131l\u0131 devre kartlar\u0131nda en \u00e7ok kullan\u0131lan malzemedir ancak farkl\u0131 bile\u015fenlere ve \u00f6zelliklere sahiptir PCB kablolu diren\u00e7 \u00e7e\u015fitli tasar\u0131m ve uygulama sorunlar\u0131na neden olabilir Bu sorunlar devrelerin karma\u015f\u0131kl\u0131\u011f\u0131 artt\u0131k\u00e7a art\u0131yor<\/p>\n
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1. PCB kablolu diren\u00e7 hesaplamas\u0131<\/h3>\n
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PCB kablo direncini hesaplamak \u00e7ok kolayd\u0131r. Bilinen parametrelerin Omni yasas\u0131n\u0131 kullanarak \u00e7al\u0131\u015fabilirsiniz \u00c7o\u011fu tasar\u0131m paketi ve geli\u015ftirme ortam\u0131, ihtiya\u00e7 duydu\u011funuz ve \u00fcretim kesitlerini sa\u011flayarak tahmin eden PCB kablolu diren\u00e7 hesaplay\u0131c\u0131s\u0131yla t\u00fcmle\u015ftirilir Hesap makinesi kar\u015f\u0131l\u0131k g\u00fcc\u00fcn\u00fc hesaplamak i\u00e7in standart bir form\u00fcl kullan\u0131r, bu y\u00fczden sabit bir bask\u0131d\u0131r<\/p>\n
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L, W ve T, y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin fiziksel alan\u0131n\u0131 temsil eder: y\u00fcksekli\u011fi, geni\u015fli\u011fi ve uzunlu\u011fu Eski CB, malzemenin diren\u00e7 oran\u0131n\u0131 temsil eder, alfa bak\u0131r \u0131s\u0131 fakt\u00f6r\u00fcn\u00fc temsil eder Ancak t\u00fcm bu hesaplamalar sadece yeterince yak\u0131n olan bir tanesini belirler \u00dcretim sonras\u0131 fiziksel maliyetler biraz farkl\u0131 olacakt\u0131r<\/p>\n
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2. PCB Y\u00fcr\u00fcy\u00fc\u015f Kablosu Dirili\u015f Hesaplay\u0131c\u0131s\u0131-Y\u00fcr\u00fcy\u00fc\u015f Kablosu direncini nas\u0131l hesaplayaca\u011f\u0131z<\/h3>\n
\u00d6zel form\u00fcller, bas\u0131l\u0131 devre kartlar\u0131n\u0131n hepsinin ortak bir temeli vard\u0131r E\u011fer bu form\u00fcl\u00fcn herhangi bir k\u0131sm\u0131 yanl\u0131\u015fsa PCB kablo direncini alg\u0131lad\u0131\u011f\u0131n\u0131zda, insanlar\u0131n yapt\u0131\u011f\u0131 bir hata nas\u0131l hesaplanaca\u011f\u0131n\u0131 bilmemektir<\/p>\n
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2.1 G\u00f6rselle\u015ftirilmi\u015f Bask\u0131 Anakartlar\u0131<\/h3>\n
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Bu form\u00fcl\u00fc a\u00e7\u0131\u011fa \u00e7\u0131karmadan ve analiz etmeden \u00f6nce, normal bir devre kart\u0131n\u0131n nas\u0131l g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc ya da en az\u0131ndan y\u00fczeyde nas\u0131l g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc En yayg\u0131n devre kartlar\u0131 0,009 mm ve 0,38 mm kal\u0131nl\u0131\u011f\u0131nda ince bak\u0131r katmanlara sahiptir En yayg\u0131n PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131 0,03 mm y\u00fcksekli\u011finde bir unsur a\u011f\u0131rl\u0131\u011f\u0131d\u0131r<\/p>\n
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2.2 PCB y\u00fcr\u00fcyen diren\u00e7 denklemi<\/h3>\n
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\u015eimdi standart devre kartlar\u0131n\u0131n nas\u0131l g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc \u00f6\u011frendi\u011fimize g\u00f6re form\u00fcl\u00fc birle\u015ftirebiliriz Herhangi bir iletkenin hesaplanmas\u0131n\u0131n yolu<\/p>\n
R = P \u00d7 Alan\u0131 \u00c7\u00f6z\u00fcc\u00fc Her de\u011fi\u015fken i\u00e7in a\u015fa\u011f\u0131daki de\u011fer atan\u0131r<\/p>\n
R \u2013 Dayan\u0131kl\u0131l\u0131k B\u00fct\u00fcnl\u00fc\u011f\u00fc<\/p>\n
P \u2013 Verilen herhangi bir malzemenin diren\u00e7 oran\u0131<\/p>\n
25\u00b0c’ye \u0131s\u0131nan saf bak\u0131r\u0131n direncini belirlemek i\u00e7in bu form\u00fcl\u00fc kullanal\u0131m<\/p>\n
Saf bak\u0131r, belirli bir s\u0131cakl\u0131kta 1.724 diren\u00e7li Bunu santimetre ba\u015f\u0131na 6-10 ohm b\u00fcy\u00fckl\u00fc\u011f\u00fcne \u00e7arpmal\u0131y\u0131z<\/p>\n
\u0130\u015fte ba\u015fka bir \u00f6rnek Diyelim ki 0.375 milimetrelik bir y\u00fczey toplam\u0131m\u0131z var E\u011fer bunu diren\u00e7le \u00e7arparsak, santimetre ba\u015f\u0131na 20 ohm diren\u00e7 elde ederiz Bu \u00e7ok k\u00fc\u00e7\u00fck bir de\u011fer, ama bu form\u00fcl kusursuz oldu\u011fundan baz\u0131 farkl\u0131l\u0131klara neden olabilir Bu, PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n \u00f6l\u00e7\u00fcm hassasiyetini etkileyen bir fakt\u00f6rd\u00fcr<\/p>\n
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2.3 PCB kablolu diren\u00e7 formunu uygulay\u0131n<\/h3>\n
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Di\u011fer bir \u00f6rnek ise elektrik sisteminde elektrik direncine dayal\u0131 elektrik alg\u0131lay\u0131c\u0131lar\u0131 1 ohm direnci alg\u0131lan\u0131rsa ve ayn\u0131 0.025 mm hatt\u0131 kullan\u0131rsan\u0131z, sistem 1.100 ohm’un direncini \u00f6l\u00e7er Bu \u00e7ok b\u00fcy\u00fck bir fark. Paran\u0131n beklendi\u011finden daha zay\u0131f ya da gerekli olmas\u0131na neden olabilir<\/p>\n
Karma\u015f\u0131k hesaplamalar i\u00e7ermeyen \u00e7izgi geni\u015fli\u011fini i\u015flemenin bir yolu vard\u0131r Bu \u00e7\u00f6z\u00fcmler zaman kazand\u0131rabilir ve daha karma\u015f\u0131k hesaplamalar ger\u00e7ekle\u015ftirmeden \u00f6nce \u00e7\u00f6z\u00fcmleri g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z PCB y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini hesaplamadan bu se\u00e7enekleri g\u00f6z \u00f6n\u00fcnde bulundurun<\/p>\n
\u0130lk y\u00f6ntem, geni\u015fli\u011fi g\u00f6rmek, geni\u015fli\u011fi art\u0131rmak ve hangi devrenin do\u011fru ba\u011flant\u0131l\u0131 oldu\u011funu g\u00f6rmek Birka\u00e7 \u015fey yapacak \u0130lk olarak bak\u0131r alan\u0131n\u0131 artt\u0131r\u0131r ve farkl\u0131 OM s\u0131n\u0131flar\u0131n\u0131 denemek i\u00e7in daha fazla yer sa\u011flar \u0130kincisi, devre kartlar\u0131ndaki bak\u0131r direncini azalt\u0131r Ayr\u0131ca uygun y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fini belirlemek i\u00e7in daha fazla test yap\u0131lmas\u0131na olanak tan\u0131r<\/p>\n
Kafes dizisi paketleri i\u00e7in bu bir se\u00e7enek de\u011fildir Buradaki se\u00e7enek daha kal\u0131n bak\u0131r katmanlar\u0131 kullanmak ve bunlar\u0131 orijinal devre kartlar\u0131na yerle\u015ftirmek alan\u0131 artt\u0131r\u0131r, diren\u00e7 azalt\u0131r Daha yap\u0131\u015fkan bak\u0131r katmanlar olu\u015fturmak i\u00e7in daha kal\u0131n bak\u0131r katmanlar kullan\u0131lmas\u0131 gerekir Bu biraz pahal\u0131ya patlayacak<\/p>\n
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3. G\u00fc\u00e7 kayb\u0131 ve parazit<\/h3>\n
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Y\u00fcr\u00fcy\u00fc\u015f kablosu direncinin ba\u015fl\u0131ca sorunu g\u00fc\u00e7 kayb\u0131 K\u00fc\u00e7\u00fck sinyal, PCB’nin kablo direnci \u00fczerindeki etkisini g\u00f6z ard\u0131 edebilirsiniz Ancak, di\u011fer taraftan, elektrik devreleri elektrik direncinin k\u00fc\u00e7\u00fck de\u011fi\u015fikliklerini bile etkileyebilir G\u00fc\u00e7 kayb\u0131 sonunda s\u0131cakl\u0131\u011f\u0131n artmas\u0131na ve elektrik iletkenli\u011finin azalmas\u0131na neden olabilir<\/p>\n
G\u00fc\u00e7 devresinde g\u00fc\u00e7 dalgalanmas\u0131 ve kablolar\u0131 yakmas\u0131 durumunda, \u00f6denmemi\u015f PCB kablolu diren\u00e7 sigorta olarak kullan\u0131labilir ve kal\u0131c\u0131 hasara neden olabilir Y\u00fcksek h\u0131zl\u0131 dijital panellerde, PCB y\u00fcr\u00fcy\u00fc\u015f direnci ve parazitik kapasit\u00f6rler titre\u015fimler yaratabilir ve devreye elektromanyetik parazitler yaratabilir Uzun PCB kablolar\u0131 yeniden da\u011f\u0131t\u0131mlar\u0131n artmas\u0131na neden olabilir<\/p>\n
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4. En \u0130yile\u015ftirilmi\u015f Tasar\u0131m<\/h3>\n
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PCB kablo direncini telafi etmenin en etkili yolu, kablo alan\u0131n\u0131 art\u0131rarak diren\u00e7 direncini telafi etmektir Tasar\u0131m ara\u00e7lar\u0131 bu t\u00fcr sorunlar\u0131 \u00f6nlemek i\u00e7in yeterince geni\u015f bir d\u00fczenleme \u00e7izgisi olarak yap\u0131land\u0131r\u0131labilir G\u00fc\u00e7 devreleri, g\u00fc\u00e7 kayb\u0131n\u0131 azaltmak ve ak\u0131m kapasitesini art\u0131rmak i\u00e7in kaynak k\u00f6pr\u00fcleri gibi tam PCB kablolar\u0131ndan ba\u015fka y\u00f6ntemler kullan\u0131r Bununla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, hassas devreler, PCB kablo direncinin etkisini ortadan kald\u0131rmak i\u00e7in alt devrelere sahiptir Ayr\u0131ca y\u00fcksek h\u0131zl\u0131 devreler titre\u015fimler nedeniyle olas\u0131 rahats\u0131zl\u0131klar\u0131 kar\u015f\u0131lamak i\u00e7in e\u015fle\u015fen kablolara sahiptir<\/p>\n
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\u0130ki. PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Hesaplay\u0131c\u0131s\u0131-PCB’nin en son parma\u011f\u0131n\u0131 korur<\/h2>\n
\u00a0<\/strong><\/p>\n Biliyor musun, PCB’nin y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini belirlemek zorundas\u0131n Y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n geni\u015fli\u011finin ta\u015f\u0131yabilece\u011fi elektrik miktar\u0131yla ilgili oldu\u011funu biliyor muydun<\/p>\n Her \u015feyi kitaplar\u0131n\u0131za ve standartlar\u0131n\u0131za uymad\u0131\u011f\u0131n\u0131z s\u00fcrece sonunda \u00e7al\u0131\u015famayacak ya da bozulmayacak bir PCB’ye sahip olabilirsiniz Bu y\u00fczden, PCB’nin y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini belirlemenize yard\u0131mc\u0131 olmak i\u00e7in y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131 kullan\u0131n<\/p>\n \u00a0<\/p>\n Form\u00fclleri de ortaya \u00e7\u0131karaca\u011f\u0131z, b\u00f6ylece geni\u015fli\u011fi kendiniz hesaplayabilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB tasar\u0131m\u0131nda y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi \u00f6nemli bir fakt\u00f6rd\u00fcr PCB tasar\u0131mc\u0131lar\u0131, devre kart\u0131n30<\/p>\n Devre kart\u0131ndaki y\u00fcr\u00fcy\u00fc\u015f kablosu, devre d\u0131\u015f\u0131 b\u0131rakmadan \u00f6nce maksimum ak\u0131m y\u00fck\u00fcn\u00fc i\u015flemek i\u00e7in tasarlanm\u0131\u015ft\u0131r Bir yoldan ge\u00e7ti\u011finizde, ne kadar y\u00fcksek ak\u0131m olursa, o kadar \u0131s\u0131nmaya ba\u015flar Maksimum s\u0131n\u0131r\u0131 a\u015ft\u0131\u011f\u0131n\u0131zda, y\u00fcr\u00fcy\u00fc\u015f hatt\u0131 PCB katmanlar\u0131n\u0131 yak\u0131p yok eder veya kal\u0131c\u0131 hasara neden olur<\/p>\n A\u015fa\u011f\u0131daki resimde farkl\u0131 bile\u015fenleri ve konekt\u00f6rleri ba\u011flayan kablolar\u0131 g\u00f6r\u00fcyorsunuz<\/p>\n \u00a0<\/p>\n Kablolar\u0131n farkl\u0131 bile\u015fenlere ba\u011fl\u0131 kablolar\u0131n s\u0131f\u0131r diren\u00e7 oldu\u011funu d\u00fc\u015f\u00fcnebilirsiniz ama bu do\u011fru de\u011fil PCB’deki t\u00fcm yollar\u0131n belirli bir diren\u00e7leri vard\u0131r ve bu, \u00e7izgi geni\u015fli\u011fini se\u00e7ti\u011finizde dikkate al\u0131nmas\u0131 gereken \u00f6nemli bir fakt\u00f6rd\u00fcr Hangi geni\u015fli\u011fi kullanaca\u011f\u0131n\u0131z\u0131 belirlemek i\u00e7in diren\u00e7 ve ta\u015f\u0131ma kapasitesini bilmelisiniz<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi PCB i\u00e7in \u0131s\u0131 art\u0131\u015f\u0131na dayal\u0131d\u0131r S\u0131cakl\u0131k art\u0131\u015f\u0131, elektrik ak\u0131m\u0131n\u0131n kabloyu ge\u00e7ti\u011finde, bo\u015f kald\u0131\u011f\u0131ndan daha s\u0131cak oldu\u011funu g\u00f6sterir K\u0131sacas\u0131, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 ile maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 aras\u0131ndaki fark<\/p>\n \u0130htiyac\u0131n\u0131z olan y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini bulmak i\u00e7in \u00e7ok \u00e7al\u0131\u015fma ve hesaplama gerekiyor Ancak, y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131 kullanarak basit bir y\u00f6ntem kullanabilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131 Amber kapasitesine dayal\u0131 olarak kablo geni\u015fli\u011fini belirlemek i\u00e7in kullanabilirsiniz Y\u00fcr\u00fcy\u00fc\u015f kablosu geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131nda maksimum ak\u0131m (amper), yolun toplam uzunlu\u011fu, y\u00fcr\u00fcy\u00fc\u015f direncinden kaynaklanan s\u0131cakl\u0131k art\u0131\u015f\u0131 gibi tasar\u0131m \u00f6zellikler<\/p>\n \u00d6zellikler sa\u011fland\u0131ktan sonra hesap makinesi \u00e7izginin geni\u015fli\u011fini hesaplar Y\u00fcr\u00fcy\u00fc\u015f \u00c7izgisi Geni\u015fli\u011fi Hesaplay\u0131c\u0131s\u0131, girdi\u011finiz tasar\u0131m \u00f6zellikleriyle e\u015fle\u015fmek i\u00e7in gereken minimum geni\u015fli\u011fi sa<\/p>\n Hesaplanm\u0131\u015f geni\u015flik, PCB direncine zarar vermeden elektrik ak\u0131m\u0131n\u0131n g\u00fcvenli bir \u015fekilde ge\u00e7mesine olanak tan\u0131r \u0130\u00e7 katman\u0131n d\u0131\u015f katmandan daha geni\u015f bir y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi oldu\u011funu g\u00f6rebilirsiniz, \u00e7\u00fcnk\u00fc i\u00e7 katman daha fazla \u0131s\u0131 \u00fcretebilir D\u0131\u015f katman bu kadar \u0131s\u0131 almaz<\/p>\n G\u00fcvenlik nedenlerinden dolay\u0131, t\u00fcm PCB’nin i\u00e7 \u00e7izgi geni\u015fli\u011fini kullanman\u0131z\u0131 \u00f6neririz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB tasarlad\u0131\u011f\u0131n\u0131zda, \u00e7izgi geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131 \u00e7ok kullan\u0131\u015fl\u0131d\u0131r Y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n minimum geni\u015fli\u011fini belirlemek i\u00e7in bunlar\u0131 kullanabilirsiniz, b\u00f6ylece PCB direksiyonlar\u0131n\u0131 zarar g\u00f6rmeden gereken miktar\u0131 g\u00fcvenli bir 35<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131, nihai gerekli geni\u015fli\u011fi hesaplamak i\u00e7in tasar\u0131m parametrelerinizi sorar Amper cinsinden ge\u00e7i\u015f ak\u0131m\u0131, y\u00fcr\u00fcy\u00fc\u015f kal\u0131nl\u0131\u011f\u0131, \u0131s\u0131 art\u0131\u015f\u0131, ortam s\u0131cakl\u0131\u011f\u0131 ve y\u00fcr\u00fcy\u00fc\u015f uzunlu2<\/p>\n Hesap makinesi havadaki i\u00e7 ve d\u0131\u015f izleme katmanlar\u0131n\u0131n sonu\u00e7lar\u0131n\u0131 sa\u011flar Daha sonra bu de\u011ferleri PCB tasar\u0131m\u0131n\u0131za uygulayabilirsiniz ve devre kartlar\u0131n\u0131n ve u\u00e7 ayg\u0131tlar\u0131n\u0131n d\u00fczg\u00fcn \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin<\/p>\n Bu, y\u00fcksek g\u00fc\u00e7 sinyalleri ve g\u00fc\u00e7 kablosu uygulamalar\u0131n\u0131n minimum y\u00fcr\u00fcme geni\u015fli\u011fini belirlemeye yard\u0131mc\u0131 olur Ancak genellikle PCB’deki \u00e7a\u011fr\u0131lar \u00e7ok az elektrik kullan\u0131r Onlar i\u00e7in, istedi\u011finiz geni\u015fli\u011fi bulmak i\u00e7in PCB’nin di\u011fer parametrelerini g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z<\/p>\n \u00c7izgi geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131n ne oldu\u011funu ve bu arac\u0131n uygulamas\u0131n\u0131 tart\u0131\u015fm\u0131\u015ft\u0131k Bir sonraki b\u00f6l\u00fcmde PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini hesaplamak i\u00e7in kullan\u0131labilecek farkl30<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Normal bir PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131 hesaplamak veya basit form\u00fcller veya hesaplamalar kullanmak kablolar\u0131n direncini tam olarak alg\u0131lamak i\u00e7in yeterli de\u011fildir Ancak, PCB hatt\u0131n\u0131n do\u011fru y\u00f6nlendirilmesini sa\u011flamak i\u00e7in, PCB hatt\u0131n\u0131n sadece hesaplanmas\u0131 gerekmez, ayn\u0131 zamanda PCB hatt\u0131n\u0131n geni\u015fli287 PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini hesaplamak ve \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rmak, verilen PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin direncini azaltmaya yard\u0131mc\u0131 olur<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini hesaplamak herhangi bir iletkenin hesaplanmas\u0131ndan \u00e7ok daha karma\u015f\u0131kt\u0131r PCB \u00e7izgisinin geni\u015fli\u011fini hesaplamadan \u00f6nce bilmen gereken \u00e7ok \u015fey var Giri\u015fte, devrenin \u00e7al\u0131\u015ft\u0131\u011f\u0131 maksimum ak\u0131m miktar\u0131n\u0131 bilmeniz gerekir: y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin birimlerini, y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin kal\u0131nl\u0131\u011f\u0131n\u0131 Geni\u015fli\u011fin girdi aral\u0131\u011f\u0131n\u0131 belirler<\/p>\n Say\u0131lar\u0131 hesaplay\u0131c\u0131ya yazd\u0131\u011f\u0131n\u0131zda, \u00e7\u0131kt\u0131 say\u0131lar\u0131 al\u0131rs\u0131n\u0131z Bu y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi verileri aras\u0131nda amper cinsinden y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi, y\u00fcr\u00fcy\u00fc\u015f s\u0131cakl\u0131\u011f\u0131 (derece cinsinden), diren\u00e7 (ohm cinsinden), volt cinsinden bas\u0131 Bu say\u0131lar tam olarak ne kadar geni\u015f oldu\u011funu g\u00f6steriyor<\/p>\n T\u00fcm girdi bilgilerinin fiziksel bask\u0131 devresinde veya bas\u0131l\u0131 devre kart\u0131n\u0131n kendisindeki veri k\u0131lavuzunda g\u00f6r\u00fclmesi gerekir Tahminde bulunmamal\u0131y\u0131z Verilen devre kartlar\u0131n\u0131n t\u00fcm bu bilgileri parlak bir monit\u00f6rde g\u00f6stermesi gerekir G\u00f6rd\u00fc\u011f\u00fcn\u00fcz say\u0131lar\u0131 ve boyutlar\u0131 girmezseniz, ba\u011flant\u0131l\u0131 hesaplay\u0131c\u0131 hesaplaman\u0131za izin vermez \u00c7\u00fcnk\u00fc bask\u0131 devresi \u00e7ok k\u00fc\u00e7\u00fck oldu\u011fundan girdi\u011finiz bilgiyi kaydetmek i\u00e7in b\u00fcy\u00fcte\u00e7 laz\u0131m<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n B\u00fct\u00fcn bu bilgileri ve \u00e7\u0131kt\u0131lar\u0131 ald\u0131ktan sonra bunlar\u0131 not edin ve bir kenara b\u0131rak\u0131n Art\u0131k PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin ve PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini \u00f6l\u00e7ebilirsiniz Bildi\u011finiz gibi, bir geni\u015flik aral\u0131\u011f\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in PCB hatt\u0131n\u0131n tek bile\u015fenlerini test etmenin birka\u00e7 yolu vard\u0131r Bu bilgilerle PCB kablolar\u0131n\u0131 tamir etmeye ba\u015flayabilirsiniz<\/p>\n \u00a0<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fini hesaplayan t\u00fcm hesaplay\u0131c\u0131lar end\u00fcstri standartlar\u0131na dayal\u0131d\u0131r Ticari ve end\u00fcstriyel uygulamalarda en yayg\u0131n standartlar IPC 2221 ve IPC 2152 Her ikisi de Elektronik End\u00fcstri Birli\u011fi taraf\u0131ndan olu\u015fturulmu\u015ftur. Elektronik ekipmanlar\u0131n \u00fcretim ve montaj\u0131 i\u00e7in standart bir ticaret birli\u011fi<\/p>\n hesaplay\u0131c\u0131lar hakk\u0131nda daha fazla bilgi edinin<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n IPC 2221, daha \u00f6nce kullan\u0131lm\u0131\u015f eski standartlardan gelen IPC-D-275 b\u0131rak\u0131c\u0131lardan geliyor 1954 y\u0131l\u0131nda, tablolara ve \u00f6l\u00e7\u00fcmlere g\u00f6re geli\u015ftirilmi\u015fti<\/p>\n IPC 2221 hesaplay\u0131c\u0131s\u0131, y\u00f6r\u00fcnge ak\u0131m\u0131n\u0131 belirlemek i\u00e7in tek bir grafik ve denklem kullan\u0131r ve bir de\u011feri kullan\u0131r Form\u00fcl \u015f\u00f6yledir<\/p>\n I = K* TBACTR<\/p>\n G\u00f6r\u00fcn\u00fcr y\u00fcr\u00fcy\u00fc\u015f \u00e7izgileri i\u00e7in K de\u011feri 0.048, i\u00e7 y\u00fcr\u00fcy\u00fc\u015f \u00e7izgileri i\u00e7in K de\u011feri 0.024 \u00e7evirme de\u011feridir S\u0131cakl\u0131k art\u0131\u015f\u0131n\u0131 veya de\u011fi\u015fimini g\u00f6sterir B de\u011feri 0.44’t\u00fcr ve A, mils2 taraf\u0131ndan g\u00f6sterilen kesit b\u00f6l\u00fcmlerini temsil eder C de\u011feri 0.725<\/p>\n Kablo geni\u015fli\u011finin kesin sonu\u00e7lar\u0131n\u0131 elde etmek i\u00e7in sadece IPC 2221 hesaplay\u0131c\u0131s\u0131nda de\u011ferler aral\u0131\u011f\u0131n\u0131 kullanabilece\u011finizi unutmay\u0131n 0-35 ampere, bak\u0131r geni\u015fli\u011fi 0.5-3oz, raylar\u0131n geni\u015fli\u011fi 0-10.16mm ve s\u0131cakl\u0131\u011f\u0131 10\u00b0 C ile 100\u00b0 C aras\u0131nda tutucular y\u00fckseliyor Tan\u0131mlanm\u0131\u015f aral\u0131\u011f\u0131n d\u0131\u015f\u0131nda bir de\u011fer kullan\u0131rsan\u0131z, sonu\u00e7 yanl\u0131\u015f tutucu olabilir<\/p>\n Hesap makinesi, u\u00e7 konnekt\u00f6rlerin veya bile\u015fenlerin \u0131s\u0131 emicilerini etkilemeyecek kadar uzun bir y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyor Dolay\u0131s\u0131yla hesaplay\u0131c\u0131 bak\u0131r d\u00f6k\u00fclmesini deliklerin \u00fczerinde kullan\u0131lan termal ba\u011flant\u0131lar i\u00e7in kullan\u0131lan parametreleri hesaplayamaz<\/p>\n Hesaplay\u0131c\u0131 ayr\u0131ca raylar\u0131n uzunlu\u011funda herhangi bir a\u015f\u0131r\u0131 a\u015f\u0131r\u0131 a\u015f\u0131r\u0131 a\u015f\u0131r\u0131 bir<\/p>\n Ge\u00e7en ak\u0131m sabit olarak kabul edilir Ancak, yeterince s\u0131k darbe al\u0131nd\u0131\u011f\u0131nda ortalama k\u00f6k de\u011ferini kullanabilirsiniz<\/p>\n PCB’nin s\u0131cakl\u0131\u011f\u0131n\u0131n her zaman kullan\u0131lan malzemenin g\u00f6receli \u0131s\u0131 de\u011ferleri (RTI) aras\u0131nda olmas\u0131 gerekti\u011fini unutmay\u0131n UL746B’de tan\u0131mlanan s\u0131cakl\u0131k, malzeme \u00f6zelliklerinin% 50’sinin korunmas\u0131na olanak sa\u011flayan bir s\u0131cakl\u0131k oldu\u011funu g\u00f6receksiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n IPC 2152 hesaplay\u0131c\u0131s\u0131, g\u00fcncellenmi\u015f standart IPC 2152’e dayal\u0131d\u0131r Maksimum ak\u0131m kapasitesini belirlemek i\u00e7in teknoloji y\u00f6ntemlerini art\u0131rarak daha do\u011fru bir yoldur<\/p>\n IPC 2152 hesaplay\u0131c\u0131s\u0131, IPC 2221 hesaplay\u0131c\u0131s\u0131 gibi basit bir denklem kullanmaz \u00d6nce ayarlanmam\u0131\u015f kesit b\u00f6l\u00fcmlerini belirlemek i\u00e7in genel bir grafik kullanmalar\u0131 gerekir<\/p>\n Sonra hesap makinesi bir dizi fakt\u00f6r\u00fc d\u0131\u015fa aktarmak veya miktar\u0131 de\u011fi\u015ftirmek i\u00e7in \u00e7e\u015fitli parametreleri kullan\u0131r Kullan\u0131lan parametreler, PCB’nin kal\u0131nl\u0131\u011f\u0131, devre kart\u0131n\u0131n termal \u0131s\u0131nma \u00f6zelli\u011fi, y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n kal\u0131nl\u0131\u011f\u0131, varolan y\u00fcr\u00fcy\u00fc<\/p>\n Hesap makinesi, ayarlanmam\u0131\u015f kesit toplam\u0131n\u0131 \u00e7arparak ayarlanm\u0131\u015f kesit toplam\u0131n\u0131 bulur Sonra hesap makinesinden istedi\u011finiz geni\u015fli\u011fi elde edebilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n IPC 2221 y\u0131llar \u00f6nce geli\u015ftirildi ve PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini hesaplaman\u0131n tam bir yolunu sa\u011flamad\u0131 Bu standart, y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini do\u011fru \u00f6l\u00e7mek i\u00e7in gerekli bir\u00e7ok parametreyi dikkate almaz<\/p>\n \u00d6rne\u011fin, IPC 2221 panelin kal\u0131nl\u0131\u011f\u0131n\u0131 ve malzemelerini dikkate almaz Birden fazla ara\u015ft\u0131rmadan ve deneyden sonra, IPC 2152 2009 y\u0131l\u0131nda yay\u0131nland\u0131 ve elektrik kapasitesini ve y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini hesaplaman\u0131n daha do\u011fru bir yolu oldu<\/p>\n IPC 2152, daha do\u011fru sonu\u00e7lar elde etmek i\u00e7in i\u00e7 ve d\u0131\u015f \u00e7izgiler, termal katman konumlar\u0131, devre kart\u0131 kal\u0131nl\u0131\u011f\u0131 vb. gibi parametreleri g\u00f6z \u00f6n\u00fcnde bulundurur Ayr\u0131ca IPC 2221’de \u00e7ok katmanl\u0131 PCBs yapabilirsiniz<\/p>\n IPC 2221 ve IPC 2152 standartlar\u0131na dayal\u0131 farkl\u0131 t\u00fcrden y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi hesaplay\u0131c\u0131lar\u0131n\u0131 \u00f6\u011frendiniz \u015eimdi y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131n form\u00fcl\u00fcne bakal\u0131m<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Tablosu, PCB’nin y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini belirlemenize yard\u0131mc\u0131 olur Ayr\u0131ca y\u00fck ta\u015f\u0131ma kapasitesini ve s\u0131cakl\u0131\u011f\u0131n nas\u0131l y\u00fckseldi\u011fini anlaman\u0131z\u0131 sa\u011flar \u00c7izgi geni\u015fli\u011fi tablosunu kullanmak i\u00e7in elinize koyun Kolayl\u0131\u011f\u0131n\u0131z i\u00e7in a\u015fa\u011f\u0131da bir form verilmi\u015ftir<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00c7izgi geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131n\u0131 kullanarak \u00e7izgi geni\u015fli\u011fini nas\u0131l elde edece\u011fini biliyor musun d\u00fc\u015f\u00fcnmeniz gereken bir\u00e7ok \u015fey var, mesela–<\/p>\n \u0130zleme y\u00fck\u00fc<\/p>\n Y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi ba\u011flant\u0131l\u0131 bile\u015fenlerin kaynakl\u0131 tabakalar\u0131n\u0131n boyutlar\u0131 ve boyutlar\u0131<\/p>\n \u0130zler aras\u0131ndaki bo\u015fluk<\/p>\n \u00c7izgi geni\u015fli\u011fine ek olarak, \u00e7izgiler aras\u0131ndaki bo\u015flu\u011fu g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z Herhangi bir k\u0131sa devre \u00f6nlenir ve atomlar aras\u0131nda \u00e7al\u0131\u015fabilecek en b\u00fcy\u00fck alan sa\u011flar<\/p>\n PCB genellikle \u00e7ok k\u00fc\u00e7\u00fckt\u00fcr \u00e7\u00fcnk\u00fc \u00fcretim maliyetleri Ancak devre kart\u0131 \u00e7ok k\u00fc\u00e7\u00fckse, kablolar\u0131 kablolamak ve do\u011fru aral\u0131klar\u0131 korumak zordur \u00c7o\u011fu sinyal \u00e7izgisi geni\u015fli\u011fi i\u00e7in yeterli olan 6-30 mil aras\u0131ndaki mesafeyi koruyabilirsiniz<\/p>\n \u00a0<\/p>\n<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n IPC 2221 tan\u0131m\u0131na g\u00f6re, y\u00fcr\u00fcyen kablolardan ge\u00e7en izin verilen ak\u0131m form\u00fcl\u00fcn\u00fc hesaplayarak PCB’nin y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi a\u00e7\u0131klanabilir Bu \u015fekilde devam ediyor<\/p>\n I = K* T^ 0.44* A^ 0.725<\/p>\n Denklemdeki I ak\u0131m\u0131 temsil eder, sabit olarak al\u0131n\u0131r S\u0131cakl\u0131k de\u011fi\u015fikli\u011fi, A y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin kesilmi\u015f alan\u0131<\/p>\n \u015eimdi, se\u00e7ilen para biriminin g\u00fcvenli bir \u015fekilde ge\u00e7ti\u011fi kesit par\u00e7alar\u0131n\u0131 bularak \u00e7izgi geni\u015fli\u011fini almak i\u00e7in form\u00fclleri yeniden d\u00fczenleyebilirsiniz<\/p>\n Area[mils^2] = (ak\u0131m [amper]\/(k* (s\u0131cakl\u0131k_art\u0131\u015f\u0131) ^ 0.44^ 1\/ 0.725<\/p>\n Sonra, istedi\u011finiz geni\u015fli\u011fi bulmak i\u00e7in \u00e7izginin kal\u0131nl\u0131\u011f\u0131n\u0131 g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z<\/p>\n Geni\u015flik [mils^ 2]\/ (thickness)* 1.378<\/p>\n Bu denklem 0 ile 35 amper aras\u0131ndaki ak\u0131m i\u00e7in kullan\u0131labilir ve 10 dereceden 100 dereceye kadar s\u0131cakl\u0131\u011f\u0131n artmas\u0131na olanak tan\u0131r 400 mil y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fine sahiptir ve 0,5 ila 3 uncu bak\u0131r de\u011ferleri kullanabilirsiniz<\/p>\n Bu form\u00fcl end\u00fcstri standard\u0131 olarak kullan\u0131l\u0131r ve do\u011fru bir yat\u0131r\u0131mc\u0131 olarak kabul edilir T\u00fcm tasar\u0131mlar i\u00e7in ge\u00e7erli olmayabilir ve site form\u00fcl\u00fcn kullan\u0131lmas\u0131ndan kaynaklanan hasarlardan sorumlu de\u011fildir<\/p>\n Bir sonraki b\u00f6l\u00fcmde, PCB’nin y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisinin geni\u015fli\u011fini belirledi\u011finizde uygulanacak genel kurallar\u0131 g\u00f6sterece\u011fiz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB’nin y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi tasar\u0131m \u00f6zelliklerine ba\u011fl\u0131d\u0131r ve kablolardan ge\u00e7mesi gereken elektrik miktar\u0131na ba\u011fl\u0131 \u00c7o\u011fu uygulama i\u00e7in yayg\u0131n bir deneyim kural\u0131 vard\u0131r<\/p>\n En d\u00fc\u015f\u00fck y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi y\u0131lda 1,0 mm’dir \u00c7e\u015fitli bas\u0131l\u0131 devre kartlar\u0131 i\u00e7in yayg\u0131n olarak kullan\u0131lan 1,0 gram\/ kare bak\u0131r kal\u0131nl\u0131\u011f\u0131 i\u00e7in kullan\u0131l\u0131r<\/p>\n K\u0131lavuzumuz bitmek \u00fczere Y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi hesaplay\u0131c\u0131s\u0131 hakk\u0131nda h\u0131zl\u0131 soru soraca\u011f\u0131z<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Cevap, \u00f6l\u00fcmc\u00fcl Sadece 35 A’ya kadar ak\u0131m, 10\u00b0 C’den 100\u00b0 C’ye kadar \u0131s\u0131 art\u0131\u015f\u0131, kare fit ba\u015f\u0131na 0,5 ila 3 uncu bak\u0131r ve 400 mil’e kadar y\u00fcr\u00fcyen \u00e7izgi geni\u015fli\u011fi kullanabilirsiniz Bunlar IPC 2221 standartlar\u0131na dayal\u0131 s\u0131n\u0131rlar Bu aral\u0131\u011f\u0131n d\u0131\u015f\u0131ndaki herhangi bir de\u011ferin kullan\u0131lmas\u0131 yanl\u0131\u015f sonu\u00e7lara neden olabilir<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00c7\u00fcnk\u00fc s\u0131cakl\u0131k s\u0131ras\u0131nda devre kartlar\u0131na zarar verirler Ancak hesap makinesi bunun tersini g\u00f6steriyor Neden, Taleba<\/p>\n Cevap, \u00f6l\u00fcmc\u00fcl D\u0131\u015f d\u00fcnyadaki izler havaya dokunduklar\u0131ndan dolay\u0131 \u0131s\u0131y\u0131 daha etkili hale getirir Termal \u0131s\u0131 ak\u0131\u015f yoluyla da\u011f\u0131l\u0131r ve atomlar a\u015f\u0131r\u0131 \u0131s\u0131nmaz Ancak, i\u00e7 \u00e7izgiler d\u0131\u015f \u00e7izgilerden daha fazla \u0131s\u0131 emici de\u011fildir<\/p>\n Hesap makinesi a\u015f\u0131r\u0131 s\u0131cakl\u0131klar\u0131n artmas\u0131n\u0131 \u00f6nlemek i\u00e7in tasarlanm\u0131\u015ft\u0131r, \u00e7\u00fcnk\u00fc daha fazla \u0131s\u0131 sakl\u0131yorlar Kapsaml\u0131 bile\u015fenleri veya devreleri bo\u015flukta kullan\u0131rken, d\u0131\u015f katmanlar\u0131n \u0131s\u0131 emici yapamad\u0131\u011f\u0131ndan i\u00e7 katman\u0131n geni\u015fli\u011fini kullanman\u0131<\/p>\n \u00a0<\/p>\n 5.3 hesap makinesi s\u0131cakl\u0131\u011f\u0131n artmas\u0131n\u0131n ne demek oldu\u011funu g\u00f6sterir<\/strong><\/p>\n \u00a0<\/p>\n Cevap, \u00f6l\u00fcmc\u00fcl Is\u0131 art\u0131\u015f\u0131, PCB’nin \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131n\u0131n devre kart\u0131 malzemesinin maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131ndan Daha fazla ak\u0131m ge\u00e7ti\u011finde bak\u0131r kablolar \u0131s\u0131 \u00fcretir PCB tasarlad\u0131\u011f\u0131n\u0131zda, \u00fcretti\u011fi fazladan \u0131s\u0131y\u0131 d\u00fc\u015f\u00fcnebilir ve uygun geni\u015fli\u011fi se\u00e7ebilirsiniz<\/p>\n \u00c7o\u011fu uygulama i\u00e7in g\u00fcvenli oldu\u011fundan s\u0131cakl\u0131\u011f\u0131 10 derece art\u0131rabilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Herhangi bir \u015fekilde PCB hatt\u0131 onar\u0131m\u0131n\u0131 denemeden \u00f6nce, PCB hatt\u0131n\u0131n direncinin tam \u00f6l\u00e7\u00fcm\u00fcn\u00fc ve PCB hatt\u0131n\u0131n geni\u015fli\u011fini bilmeniz gerekir Boyutlar\u0131n\u0131z\u0131 bildi\u011finiz i\u00e7in \u015fu anda fiziksel bir \u015fey kulland\u0131\u011f\u0131n\u0131zdan, ayg\u0131t\u0131n\u0131z\u0131 sat\u0131n ald\u0131\u011f\u0131n\u0131z yere b\u00fcy\u00fck miktarda<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Kendi zaman\u0131n\u0131z\u0131 ve paran\u0131z\u0131 tamir etme riskini \u00f6l\u00e7mek ya da d\u00fc\u015f\u00fcnmek Se\u00e7ilen elektronik cihaz\u0131n PCB direncini ve PCB kablo geni\u015fli\u011fini tahmin edebilece\u011finizi d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z ve kablolar\u0131 tahmin etmek i\u00e7in zaman kazanabilece\u011finizi d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z \u00f6l\u00e7ebilir ve ba\u011flayabilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Elektri\u011fi sa\u011flayan ayg\u0131tlar a\u015fa\u011f\u0131daki durumlarda PCB y\u00fcr\u00fcy\u00fc\u015f\u00fc onar\u0131m\u0131 gerekir<\/p>\n Bu yakla\u015f\u0131m h\u00e2l\u00e2 i\u015fe yar\u0131yor ama ekranda g\u00f6rsel sorunlar var<\/p>\n Bu icat yeni ve tamamen \u015farj edilmi\u015f bir pil, ama ayg\u0131t elektrik yok<\/p>\n Makine, hoparl\u00f6rler gibi ses \u00e7\u0131kar\u0131rsa, m\u00fczik bozulur (hoparl\u00f6rler fiziksel bir etki alt\u0131nda de\u011fildir)<\/p>\n Bu fakt\u00f6rler PCB g\u00fc\u00e7 kayna\u011f\u0131 sa\u011flayan ayg\u0131tlar\u0131 etkilerse, PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n onar\u0131lmas\u0131 gerekebilir<\/p>\n Bas\u0131l\u0131 devre kartlar\u0131 bak\u0131r, sigortalar, kablolar ve yal\u0131t\u0131mlara ba\u011flan\u0131r Kablolar\u0131n ve yal\u0131t\u0131m\u0131n birbirine nas\u0131l sar\u0131ld\u0131\u011f\u0131n\u0131 \u00f6\u011frenmelisiniz Bu k\u0131sa k\u0131lavuz baz\u0131 bilgiler sa\u011flar ve komplikasyonlar\u0131 azalt\u0131r<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00d6zellikle de devre kartlar\u0131n\u0131n \u00e7al\u0131\u015ft\u0131\u011f\u0131 en y\u00fcksek elektrik ak\u0131m\u0131<\/p>\n Elektrik \u00e7ok fazla g\u00fc\u00e7 sa\u011fl\u0131yorsa, k\u0131sa devre ya\u015fayacaks\u0131n\u0131z ve onar\u0131m s\u0131ras\u0131nda devre kart\u0131n\u0131z\u0131 kaybetme riskiniz olacak D\u00fc\u015f\u00fck ak\u0131ml\u0131 kablolar\u0131 devre kart\u0131na ba\u011flamak yanl\u0131\u015ft\u0131r<\/p>\n Ayn\u0131 \u015fekilde, bas\u0131l\u0131 devre kartlar\u0131n\u0131n y\u00fcr\u00fcy\u00fc\u015f direncini ve geni\u015fli\u011fini \u00f6\u011frenmek zorundas\u0131n\u0131z PCB’nin y\u00fcr\u00fcy\u00fc\u015f ak\u0131m\u0131n\u0131 anlamak ar\u0131zal\u0131 devre kartlar\u0131n\u0131n nas\u0131l i\u015flenece\u011fini anlamak i\u00e7in bir sonraki ad\u0131m<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/strong><\/p>\n \u00a0<\/p>\n Bas\u0131l\u0131 devre kartlar\u0131 elektrik ak\u0131m\u0131n\u0131 g\u00fc\u00e7 kayna\u011f\u0131 olarak kullan\u0131r Bu da demek oluyor ki devre kartlar\u0131ndaki kablolardan ve bak\u0131rdan yaln\u0131zca bir elektrik ak\u0131m\u0131 bataryaya do\u011frudan ak\u0131yor ve herhangi bir ayg\u0131t\u0131n elektri\u011fini al\u0131yor PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131ndan \u00e7ok farkl\u0131d\u0131r; PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131 ve di\u011fer iletkenlerin elektrik ak\u0131m\u0131n\u0131 sa\u011flamak i\u00e7in nas\u0131l etkile35<\/p>\n PCB’nin y\u00fcr\u00fcy\u00fc\u015f ak\u0131m\u0131n\u0131 tan\u0131mlamak \u00f6nemlidir, \u00e7\u00fcnk\u00fc bas\u0131l\u0131 devre kartlar\u0131 olu\u015fturuldu\u011funda y\u00fcr\u00fcy\u00fc\u015f direnci ve y\u00fcr\u00fcy\u00fc\u015f Daha da \u00f6nemlisi, herhangi bir bask\u0131 devresinde elektrik yoksa Herhangi bir bask\u0131 devresinin y\u00fcr\u00fcy\u00fc\u015f ve y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi do\u011fru \u00f6l\u00e7\u00fclebilir ancak PCB y\u00fcr\u00fcy\u00fc\u015f ak\u0131m\u0131nda yaln\u0131zca bir hata varsa, ayg\u0131t d\u00fczg\u00fcn \u00e7al<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Verilen t\u00fcm elektrik ak\u0131mlar\u0131n\u0131n hesaplanmas\u0131 i\u00e7in iletken ve yal\u0131t\u0131c\u0131 tutucular kullan\u0131lmas\u0131 gerekir Bas\u0131lm\u0131\u015f devre kartlar\u0131 \u00f6rne\u011fin, \u00e7o\u011funlukla bak\u0131r iletken ve lastik yal\u0131t\u0131c\u0131 olarak kullan\u0131l\u0131r Bu ikisi aras\u0131ndaki ili\u015fki bir denge Do\u011fru yal\u0131t\u0131m iletkeni koruyamazsa, a\u015f\u0131r\u0131 g\u00fc\u00e7 olu\u015fturur ve k\u0131sa devre olu\u015fabilir<\/p>\n Bask\u0131 devresinde \u00e7ok b\u00fcy\u00fck bir yal\u0131t\u0131c\u0131 varsa, ters bir durum olur Bas\u0131l\u0131 devre kartlar\u0131n\u0131 kullanan herhangi bir elektronik ayg\u0131t\u0131n standartlardan daha d\u00fc\u015f\u00fck performans elde etmesine neden olan yeterli g\u00fc\u00e7 \u00fcretilmeyecektir<\/p>\n Bask\u0131 devresindeki elektrik y\u00fck\u00fc ve elektrik ak\u0131m\u0131 genellikle ampere cinsinden \u00f6l\u00e7\u00fcl\u00fcr \u00c7o\u011fu durumda, verilen bas\u0131l\u0131 devre kartlar\u0131nda k\u0131sa devre olmadan izin verilen g\u00fc\u00e7 miktar\u0131 i\u00e7in belirli bir k\u0131s\u0131tlama vard\u0131r Dikkat etmeye de\u011fer bir \u015fey bu<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Elektrik y\u00fck\u00fc veya elektrik ak\u0131m\u0131 hesapland\u0131\u011f\u0131nda, amper, volt (\u00f6l\u00e7\u00fc voltaj\u0131) ve ohm (elektrik direncini belirleyen) aras\u0131ndaki ili\u015fki kurulmal\u0131d\u0131r Bu ili\u015fki Orm kanunundan elde edilen form\u00fclle a\u00e7\u0131klan\u0131r<\/p>\n Orm kanununa g\u00f6re, bu form\u00fcl\u00fcn ters hesaplamas\u0131ndan basit bir form\u00fcl \u00e7\u0131kar\u0131labilir Bas\u0131l\u0131 devre kart\u0131n\u0131n do\u011fru ak\u0131m\u0131n\u0131 belirler<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u0130lk ba\u015flarda, d\u00fc\u015f\u00fck g\u00fc\u00e7 t\u00fcketimi devrelerine ba\u011flanmak i\u00e7in bas\u0131l\u0131 devreler kulland\u0131k Y\u00fcksek ak\u0131m ta\u015f\u0131ma gereksinimlerini kar\u015f\u0131lamak i\u00e7in nokta-nokta atlay\u0131c\u0131lar\u0131 kullan\u0131l\u0131r<\/p>\n Devre kartlar\u0131 geli\u015ftik\u00e7e bak\u0131r katmanlar da\u011f\u0131l\u0131m yoluyla optimize edilmi\u015ftir D\u00fc\u015f\u00fck g\u00fc\u00e7 raylar\u0131ndan ay\u0131rmak i\u00e7in yeterli alan ve y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe sahiptir<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB kablolu ak\u0131m kapasitesi bak\u0131r kablolardan daha fazla olamaz Ama alan t\u00fcketimini \u00e7o\u011funlukla azaltabilir \u00c7e\u015fitli tasar\u0131m fakt\u00f6rleri ve malzeme \u00f6zellikleri PCB y\u00fcr\u00fcyen ak\u0131m kapasitesini belirler<\/p>\n \u00d6rne\u011fin, 1oz bak\u0131r\u0131n\u0131n en yayg\u0131n kullan\u0131m\u0131, in\u00e7 ba\u015f\u0131na yakla\u015f\u0131k 500 m boyunca diren\u00e7li \u00e7ekirdek sa\u011flamakt\u0131r Bu nedenle, ge\u00e7erli yoldaki etkileri art\u0131rarak kapasiteyi art\u0131rabilirsiniz<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n PCB y\u00fcr\u00fcy\u00fc\u015f ak\u0131m\u0131, PCB tasar\u0131m a\u015famas\u0131nda hesaplanm\u0131\u015f bir tutucudur ve buna uygun bir \u015fekilde yap\u0131\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r<\/p>\n \u00c7o\u011fu PCB tasar\u0131m paketi, ge\u00e7erli gereksinimlere g\u00f6re y\u00fcr\u00fcy\u00fc\u015f kal\u0131nl\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fi hesaplay devre kartlar\u0131n\u0131n bak\u0131r kal\u0131nl\u0131\u011f\u0131n\u0131 tasarlamak i\u00e7in<\/p>\n Ancak, y\u00fcksek ak\u0131m\u0131n di\u011fer devreler ve termal fakt\u00f6rler \u00fczerindeki etkilerini incelemek i\u00e7in daha geli\u015fmi\u015f bir sim\u00fclasyon yapman\u0131z gerekir \u00c7\u00fcnk\u00fc daha kal\u0131n bak\u0131r kablolardan farkl\u0131 olarak, k\u00fc\u00e7\u00fck bir ak\u0131m kablosunu eritebilir ve devre kartlar\u0131n\u0131n genel hasar\u0131na neden olabilir<\/p>\n PCB izleme ak\u0131m kapasitesi hesaplamas\u0131 ayr\u0131ca b\u00fct\u00fcnl\u00fc\u011f\u00fc ve g\u00fc\u00e7 kayb\u0131n\u0131 da i\u00e7ermelidir Maksimum s\u0131n\u0131r\u0131 ve maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131n\u0131 tahmin etmek<\/p>\n PCB \u00fcretim maliyetlerinin artmas\u0131n\u0131 \u00f6nlemek i\u00e7in PCB y\u00fcr\u00fcyen ak\u0131m kapasitesi hesaplamas\u0131 optimize edilmeli<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n A\u015fa\u011f\u0131daki tabloda, PCB kablo geni\u015fli\u011fini ve PCB ak\u0131m\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131rarak t\u00fcm fakt\u00f6rleri dikkate al\u0131n\u0131r Bu say\u0131lar\u0131n benzerli\u011fi ve farkl\u0131l\u0131klar\u0131 var PCB kablo geni\u015fli\u011fi ile bas\u0131l\u0131 devre kart\u0131ndaki elektrik ak\u0131m\u0131 aras\u0131ndaki fark\u0131 anlamak, belirli bas\u0131l\u0131 devre kartlar\u0131n\u0131n onar\u0131m\u0131n30<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n Bas\u0131l\u0131 devre kartlar\u0131n\u0131 onarmadan \u00f6nce, kablo geni\u015fli\u011fini ve ak\u0131m\u0131n\u0131 bulman\u0131n en iyi yolu her \u015feye uygun bir sigorta, kablo ve bozuk para bulmakt\u0131r Bas\u0131l\u0131 devre kart\u0131n\u0131n y\u00fcr\u00fcy\u00fc\u015f geni\u015fli\u011fini ve ak\u0131m\u0131n\u0131 tam olarak bildi\u011finizde harekete ge\u00e7mek daha kolayd\u0131r<\/p>\n \u00a0<\/strong><\/p>\n \u00a0<\/p>\n PCB farkl\u0131 elektronik bile\u015fenlerin ve elektronik aletlerin dire\u011fidir PCB tasar\u0131m\u0131nda dikkate al\u0131nmas\u0131 gereken birka\u00e7 fakt\u00f6r var Umar\u0131m bu bilgiler sana yard\u0131mc\u0131 olur<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":" PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131-PCB y\u00fcr\u00fcy\u00fc\u015f hatt\u0131n\u0131n a\u011f\u0131rl\u0131\u011f\u0131<\/p>\n","protected":false},"author":7138,"featured_media":51573,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"\n1. PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Hesaplay\u0131c\u0131s\u0131 nedir<\/h3>\n
<\/p>\n1.1 Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Hesaplay\u0131c\u0131s\u0131n\u0131n \u0130\u015flevselli\u011fi<\/h3>\n
1.2 \u0130zleme Geni\u015fli\u011fi Hesaplay\u0131c\u0131 Uygulamalar\u0131<\/h3>\n
1.3 Neden PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fini hesaplamak zorundas\u0131n\u0131z<\/h3>\n
1.4 Y\u00fcr\u00fcyen \u00e7izgi geni\u015fli\u011fini hesaplamadan \u00f6nce ne oldu\u011funu \u00f6\u011frenmeniz gerekir<\/h3>\n
1.5 Hat\u0131rlamak \u0130\u00e7in Dijital<\/h3>\n
<\/p>\n<\/h3>\n
2. PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Hesaplay\u0131c\u0131 Tipi<\/h3>\n
2.1 IPC 2221 hesaplay\u0131c\u0131s\u0131<\/h3>\n
2.2 Hesap Makinesi IPC 2152<\/h3>\n
<\/p>\n2.3 IPC 2221 ve IPC 2152<\/h3>\n
3. PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi Hesaplay\u0131c\u0131 Formu\/PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi nas\u0131l hesaplan\u0131r<\/h3>\n
3.1 PCB Y\u00fcr\u00fcy\u00fc\u015f \u00c7izgisi Geni\u015fli\u011fi Tablosu<\/h3>\n
<\/p>\n3.2 PCB Y\u00fcr\u00fcy\u00fc\u015f Geni\u015fli\u011fi ve Aral\u0131k<\/h3>\n
3.3 PCB Y\u00fcr\u00fcy\u00fc\u015f \u00c7izgisi Geni\u015fli\u011fi<\/h3>\n
4. PCB \u00e7izgi geni\u015fli\u011fi g\u00fcneye g\u00f6t\u00fcr\u00fcr<\/h3>\n
4.1 PCB y\u00fcr\u00fcy\u00fc\u015f \u00e7izgisi geni\u015fli\u011fi deneyimi<\/h3>\n
<\/p>\n5. Y\u00f6r\u00fcnge Geni\u015fli\u011fi Hesaplay\u0131c\u0131s\u0131 S\u0131k Sorulan Sorular<\/h3>\n
5.1 hesaplay\u0131c\u0131s\u0131n\u0131n y\u00fcr\u00fcyen kablo geni\u015fli\u011fini hesaplamak i\u00e7in kulland\u0131\u011f\u0131 ak\u0131m miktar\u0131 s\u0131n\u0131rl\u0131 m\u0131<\/h3>\n
5.2 \u00c7o\u011funlukla, i\u00e7 katmandaki \u00e7izgilerin geni\u015fli\u011fine sahip oldu\u011fumuzu d\u00fc\u015f\u00fcn\u00fcyoruz<\/h3>\n
<\/p>\n\u0130ki. PCB hatt\u0131 onar\u0131m\u0131<\/h2>\n
1. Tamir etmeye \u00e7al\u0131\u015fmadan \u00f6nce bilmek istedi\u011finiz \u015feyler<\/h3>\n
2. E\u011fer y\u00fcr\u00fcy\u00fc\u015f kablosunun direncini ve geni\u015fli\u011fini bilmiyorsan\u0131z<\/h3>\n
3. Ne zaman tamir etmem gerekiyor<\/h3>\n
4. Tamir etmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda dikkatli olun, Rahibe<\/h3>\n
<\/p>\n\u0130ki bu\u00e7uk PCB kablolu elektrik ak\u0131m\u0131<\/h2>\n
<\/p>\n1. elektri\u011fin kayna\u011f\u0131<\/h3>\n
2. Ak\u0131nt\u0131 ne getirir, Rahibe<\/h3>\n
3. Elektri\u011fi hesaplamadan \u00f6nce bilmeniz gereken bir \u015fey var, Rahibe<\/h3>\n
<\/p>\n4. PCB y\u00fcr\u00fcyen ak\u0131m miktar\u0131n\u0131 bilmelisiniz<\/h3>\n
4.1 PCB y\u00fcr\u00fcy\u00fc\u015f ak\u0131m\u0131 kapasitesi\/PCB y\u00fcr\u00fcy\u00fc\u015f kablosu i\u015fleyebilir<\/h3>\n
<\/p>\n\u0130ki. PCB y\u00fcr\u00fcy\u00fc\u015f kablosunun geni\u015fli\u011fi ile elektrik aras\u0131ndaki ili\u015fki Bir masa<\/h2>\n
<\/p>\n\u0130kinci s\u0131n\u0131f Sonu\u00e7 olarak<\/h2>\n