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Q&A

Posts tagged EMC

Synonyms: electro-magnetic-compatibility electromagnetic-compatibility EM-compatibility

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71%
+3 −0
Q&A MAX485 transceivers breaking, Pi filter generating spikes?

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 4d ago by Lundin‭  ·  last activity 2d ago by Andy aka‭

Question EMC pi-filter RS-485
33%
+0 −2
Q&A Implementing local ground theory on PCB power distribution [closed]

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 29d ago by mohammadsdtmnd‭  ·  closed 27d ago by Olin Lathrop‭

75%
+4 −0
Q&A Chokes, Beads and Inductors in Pi-filters

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 3y ago by zeke‭  ·  edited 7mo ago by Lorenzo Donati‭

70%
+5 −1
Q&A Minimizing Common Mode Radiation - Separating Grounds

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

75%
+4 −0
Q&A CAN "split" pin, bus termination and common mode stabilization

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 2y ago by Lundin‭  ·  last activity 2y ago by Olin Lathrop‭

62%
+3 −1
Q&A Microwave oven interfering with WiFi on the 2.4GHz band

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 3y ago by Lundin‭  ·  last activity 3y ago by TonyStewart‭

Question EMC RF WiFi EMI radio
60%
+1 −0
Q&A Pi-Filter for EMC

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

2 answers  ·  posted 3y ago by zeke‭  ·  last activity 3y ago by Lundin‭

Question EMC pi-filter