Electronics Design

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Is a mosfet floating source ok?

I'm not an EE, just a hobbyist. The circuit shown in the linked picture shows 12V power being switched on by the alarm...
67 comments posted 5yrs
posted by waybackNO584SPAM44
67 comments posted 5yrs posted by waybackNO584SPAM44

that class-D amp

https://www.dropbox.com/sh/079coisziayxboi/AABYgEWNbV8WJMEZRNmTtrb8a?dl=0 Finally got a couple of built boards. Seems t...
1 comments posted 5yrs
posted by jlarkin
1 comments posted 5yrs posted by jlarkin

Soldering Thermal Pads

I'm helping with a board design of a few surface mount components with larg e thermal loads. The main problem is a part...
12 comments posted 5yrs
posted by gnuarm.deletethisbit
12 comments posted 5yrs posted by gnuarm.deletethisbit

connectors

Has anyone got a name for these coaxial connectors? http://ve3ute.ca/query/connectors.jpg Background grid is 0.10in /2....
5 comments posted 5yrs
posted by legg
5 comments posted 5yrs posted by legg

How to Stop Overthinking: 8 Tips From a Therapist

"Practice the 80/20 rule - The first twenty percent of our time and effort often produce eighty percent of the benefit...
25 comments posted 5yrs
posted by bloggs.fredbloggs.fred
25 comments posted 5yrs posted by bloggs.fredbloggs.fred

Affordable Calibration Standards

No need to spend a fortune on over-priced cal standards for vector network analysers: https://yadi.sk/i/fPbRFcog2zDrZQ
0 comments posted 5yrs
posted by cd
0 comments posted 5yrs posted by cd

3-phase rectifier

This has some nice waveforms. 3-phase always messes with my head, so I simulate it. Version 4 SHEET 1 1208 1092 WIRE -1...
0 comments posted 5yrs
posted by jlarkin
0 comments posted 5yrs posted by jlarkin

Callins capacitor?

Greetings, Why do Callins capacitors command such a high premium: https://richelectronics.co.uk/product/callins-300uf-2...
53 comments posted 5yrs
posted by g
53 comments posted 5yrs posted by g

The Amazon VNAs

There are a number of this type of inexpensive VNAs on Amazon, anyone used one? Is any particular one a favorite or pre...
28 comments posted 5yrs
posted by user
28 comments posted 5yrs posted by user

An $11 trillion global hydrogen energy boom is coming.

This is not something that's 25 years off, now it's on a 5- year schedule. Scheduled to be operational by 2025, the fir...
53 comments posted 5yrs
posted by bloggs.fredbloggs.fred
53 comments posted 5yrs posted by bloggs.fredbloggs.fred

Decoupling capacitors

I wonder about wisdom of paralleling ceramic decoupling capacitors. I some old text I have found advice to use 10uF (el...
48 comments posted 5yrs
posted by antispam
48 comments posted 5yrs posted by antispam