Posts tagged EMC

Problem description & speculation about causes I've having a problem with MAX485 transceivers breaking intermittently, passing our production tests but later failing. The error phenomenon is w...

2 answers  ·  posted 7mo ago by Lundin‭  ·  last activity 7mo ago by Andy aka‭

I've tryed to implement a local ground concept told by Olin Latrop here : He have told: (What I've perceived)You should not connect every gnd point instantly to gnd plane, since it can inject HF ...

0 answers  ·  posted 8mo ago by mohammadsdtmnd‭  ·  closed 8mo ago by Olin Lathrop‭

I have seen pi-filters using chokes, ferrite-beads, and plain inductors as the L-element What are the main differences between them? when use one or other?

1 answer  ·  posted 4y ago by zeke‭  ·  edited 1y ago by Lorenzo Donati‭

There are various different methods to keep common mode currents off the cables, one of them being discussed on the site here and with Olin's decoupling caps post on StackExchange. Slight digressio...

1 answer  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by TonyStewart‭

Modern CAN transceivers like MCP2561FD that support CAN FD with high baudrates come with an optional feature called SPLIT, which is to my understanding a reference voltage output pin used to give a...

1 answer  ·  posted 3y ago by Lundin‭  ·  last activity 3y ago by Olin Lathrop‭

As I understand it, microwave oven magnetrons operate at 2.45GHz, which is an unlicensed band in most of the world. When 2.4GHz technologies such as WiFi (802.11), Bluetooth and Zigbee were launche...

2 answers  ·  posted 4y ago by Lundin‭  ·  last activity 3y ago by TonyStewart‭

What would be the main considerations to use Pi-filters for EMC?

2 answers  ·  posted 4y ago by zeke‭  ·  last activity 4y ago by Lundin‭