Electronics Design

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Circuit Symbol

Gentlemen, A chum of mine who's into classic cars has asked me to take a look at the radio out of his 1938 Bentley whic...
41 comments posted 1yr
posted by cd
41 comments posted 1yr posted by cd

big L

What's the biggest inductor, the most Henries, that you know of? I seem to recall some audio transformer that was someth...
28 comments posted 1yr
posted by JL
28 comments posted 1yr posted by JL

Walkability

https://www.walkscore.com/cities-and-neighborhoods/ I wonder if they took into account that NYC sometimes gets wind chil...
5 comments posted 1yr
posted by jl
5 comments posted 1yr posted by jl

Datasheets and probability (2025 Update)

Hi, men - There are sometimes 3 columns on a datasheet which may contain min, nom, and max values. Like Vds for example...
10 comments posted 1yr
posted by Sophi.2
10 comments posted 1yr posted by Sophi.2

Re: ELECTRO-CHEMICAL ELAPSED TIME INDICATORS

On Sat, 14 Dec 2024 14:29:38 -0500, Joe Gwinn snipped-for-privacy@comcast.net wrote: >There was a question (from Larkin...
2 comments posted 1yr
posted by JL
2 comments posted 1yr posted by JL

ELECTRO-CHEMICAL ELAPSED TIME INDICATORS

There was a question (from Larkin?) on non-electronic time delay components, and I recalled such a thing from the 1970s...
4 comments posted 1yr
posted by joegwinn
4 comments posted 1yr posted by joegwinn

Re: Musk and space weapons?

> The US military is now talking openly about going on the attack in space: > https://arstechnica.com/space/2024/12/the...
0 comments posted 1yr
posted by bill.sloman
0 comments posted 1yr posted by bill.sloman

Re: Battery (SLA) modeling

> At a fixed time and temperature, is it safe to model a battery as a > fixed voltage source behind a series resistance...
14 comments posted 1yr
posted by newspam'''
14 comments posted 1yr posted by newspam'''

Re: Anti radiation vaccine?

> How 'Conan the Bacterium' withstands extreme radiation > New discovery finds simple metabolites combine to form a pow...
4 comments posted 1yr
posted by bill.sloman
4 comments posted 1yr posted by bill.sloman

Win11 explorer bug?

I'm getting 441 header line too long while trying to reply to Don Y in the other thread so I'm going to leave it there....
0 comments posted 1yr
posted by invalid
0 comments posted 1yr posted by invalid

DDS, again

I have been unsuccessful in getting LT Spice to simulate a DDS frequency generator. It's bad enough trying to make the...
11 comments posted 1yr
posted by JL
11 comments posted 1yr posted by JL