https://electrical.codidact.com/categories/26/tags/3410.rssNew Posts Tagged 'PCB' - Electrical EngineeringElectrical Engineering - Codidact2024-03-16T19:35:43Zhttps://electrical.codidact.com/posts/290874PCB as a wall of an underwater enclosuremisk94555https://electrical.codidact.com/users/600912024-02-19T20:12:21Z2024-03-16T19:35:43Z<p>Can a circuit board be waterproof enough to form a wall of a waterproof enclosure?</p>
<p>Regular PCBs made of FR-4 with solder mask is what I have in mind. But I'm not barring less common PCB...https://electrical.codidact.com/posts/290863Implementing local ground theory on PCB power distributionmohammadsdtmndhttps://electrical.codidact.com/users/580552024-02-18T15:28:39Z2024-02-21T13:54:17Z<p>I've tryed to implement a local ground concept told by Olin Latrop <a href="https://electronics.stackexchange.com/a/15143/152533">here </a>:
He have told:
(What I've perceived)You should not c...https://electrical.codidact.com/posts/289836What are some best practices for library management?Mu3https://electrical.codidact.com/users/530142023-09-28T14:37:02Z2023-10-04T13:08:28Z<p>Most CAD packages use a "symbol" and "footprint" library approach when it comes to designing schematics and PCBs. Some (like recent versions of Altium) have "component" libraries where symbols a...https://electrical.codidact.com/posts/285993Why are some PCB design software programs considered to be 'hobbyist' programs?Wilkins Ticklebumhttps://electrical.codidact.com/users/563512022-02-20T18:41:12Z2023-08-14T08:27:47Z<p>Recently I have heard this opinion from experienced engineers when discussing PCB design software. The common opinion was that Allegro and Altium are supposedly professional programs whereas Eag...https://electrical.codidact.com/posts/288763Ground pour on outer layers on 4-layer PCB DeadMousehttps://electrical.codidact.com/users/541412023-06-28T15:40:18Z2023-08-12T15:28:06Z<p>I'm designing a board that contains a cortex-M4 mcu working at 120MHz, and an ethernet bus with a wiznet chip that communicates with SPI.</p>
<p>The ethernet chip gives me a phy output that goe...https://electrical.codidact.com/posts/2774184-Layer PCB Routing Questionjm567https://electrical.codidact.com/users/532992020-08-21T19:45:58Z2023-08-10T12:13:25Z<p>I am designing a 4-layer PCB that has both analog and digital circuitry throughout it. The analog section involves high return currents as well as ADCs sampling the voltage across sense resistor...https://electrical.codidact.com/posts/279739Cleaning flux out of USB connectors after solderingKranulishttps://electrical.codidact.com/users/530422020-12-06T10:53:39Z2023-08-01T20:51:37Z<p>When soldering Micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical...https://electrical.codidact.com/posts/287943Using arc trace routing instead of 45 degree trace routingMu3https://electrical.codidact.com/users/530142023-03-09T15:09:31Z2023-04-06T08:29:15Z<p>Most modern CAD software for PCB design offers arc trace routing or a form of conversion between 45/90 degree angel trace routing and arc trace routing. Despite this, the overwhelming majority o...https://electrical.codidact.com/posts/288010What is a good PCB-layout?Carlhttps://electrical.codidact.com/users/542882023-03-31T11:09:44Z2023-04-04T11:59:25Z<p>I am an electrical engineering student and I just finished designing an ECG-amplifier circuit. Here is the schematic: -</p>
<p><img alt="Image alt text" src="https://electrical.codidact.com/upl...https://electrical.codidact.com/posts/286007PCB ground planes with isolated voltageAlinikhttps://electrical.codidact.com/users/563112022-02-22T14:28:06Z2022-06-06T15:10:21Z<p>I have designed a PCB that I need to work in which a microcontroller drives a 24 V brushed motor. The input power to the board is 24 V, this is then lowered to 5 V by a step down converter, and ...https://electrical.codidact.com/posts/285989Press fit PCB receptacle for plated holes (Marked for non-plated holes)Wilkins Ticklebumhttps://electrical.codidact.com/users/563512022-02-19T14:00:25Z2022-02-19T21:36:05Z<p>I saw that this PCB socket:
<img alt="Image alt text" src="https://electrical.codidact.com/uploads/UtSYBs34D6xMxLgMB4xZJzrs"></p>
<p>Is marked as pressfit for non-plated holes. However, can it...https://electrical.codidact.com/posts/285375PCB Copper Layer Spacing & Voltage Rating DavidEhttps://electrical.codidact.com/users/539022021-12-25T04:23:04Z2021-12-26T17:11:51Z<p>One standard used for spacing conductors based on voltage is the IPC-2221. This standard differentiates spacing requirements for inner and outer conductors. Does the IPC minimum separation bet...https://electrical.codidact.com/posts/281437Why are antenna PCB traces square instead of rounded?Kranulishttps://electrical.codidact.com/users/530422021-04-20T11:08:01Z2021-05-04T22:21:49Z<p>While doing some reading on RF designs I ran across this paragraph:
<img src="https://electrical.codidact.com/uploads/RujqCUPuetJrJjyVS2FwGDxg" alt="Image alt text"></p>
<p>I have never design...