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Gain Non-linearity Measurement Woes

Hello! I've recently been interested in measuring the gain non-linearity of various op-amps and composite op-amp config...
10 comments posted 3yrs
posted by vivekanandottalingam
10 comments posted 3yrs posted by vivekanandottalingam

countersinking a TO247 mosfet

Has anyone done this? I need to get the mounting screw height down. I guess I'll have to try it.
61 comments posted 3yrs
posted by jlarkin
61 comments posted 3yrs posted by jlarkin

Question about capacitor usage

I ordered what turned out to be poor quality capacitors from...Amazon. 6 of the 12 failed. The failure was increased di...
1 comments posted 3yrs
posted by amdx62
1 comments posted 3yrs posted by amdx62

Constant current to capacifor / rising voltage

Hi I want to get a steady rising voltage, which is simple as constant current. Say, like a saw tooth but only first ris...
39 comments posted 3yrs
posted by sonnic...
39 comments posted 3yrs posted by sonnic...

Differential amplifier with amplification

Hi I need to measure a load on 14V line, using say 10 (or 100) milli-ohm resistor. I want to get an output like 0-4V fo...
2 comments posted 3yrs
posted by sonnic...
2 comments posted 3yrs posted by sonnic...

Microwave repair

My microwave stopped working last night. Looks like it's the fuse. I can barely make out 15A on the metal cap, but no in...
14 comments posted 3yrs
posted by gnuarm.deletethisbit
14 comments posted 3yrs posted by gnuarm.deletethisbit

New report identifies COVID Patients Zero

...and they are researchers at the Wuhan virology lab! ALL those claims by Pope Fauci were, at best, WRONG! At worst, t...
13 comments posted 3yrs
posted by soar2morrow
13 comments posted 3yrs posted by soar2morrow

Another EV aircraft bites the dust

After three years of research and development work, Tecnam said that currently available batteries would not be viable...
4 comments posted 3yrs
posted by soar2morrow
4 comments posted 3yrs posted by soar2morrow

dollar store wire

The local dollar store is offering various materials aimed at decorative or other consumer grade applications - wood, a...
4 comments posted 3yrs
posted by legg
4 comments posted 3yrs posted by legg

InP

https://digital.microwavejournal.com/publication/?m=69199&i=793685&p=18&ver=html5 I've only seen and used tiny MMIC amp...
3 comments posted 3yrs
posted by jlarkin
3 comments posted 3yrs posted by jlarkin

MEMS is back

https://menlomicro.com/products/rf People keep introducing breakthrough MEMS relays but, so far, none have been successf...
0 comments posted 3yrs
posted by jlarkin
0 comments posted 3yrs posted by jlarkin

5 GHz ferrite beads!

I like to use SiGe microwave transistors for all sorts of off-label things, as some SED veterans may remember. The Infi...
4 comments posted 3yrs
posted by pcdhSpamMeSenseless
4 comments posted 3yrs posted by pcdhSpamMeSenseless

more "American" cheese

https://www.dropbox.com/sh/2p5fs6eg7ayemhg/AACbGq7pEH-KCrVVFO16mIGka?dl=0 I added pics from the Safeway cheese island....
42 comments posted 3yrs
posted by jlarkin
42 comments posted 3yrs posted by jlarkin

Current limiting with a mosfet?

Is it easy to make a simple circuit to limit a 12V DC current to 50A using a mosfet? Can I just give it a variable volta...
21 comments posted 3yrs
posted by CK1
21 comments posted 3yrs posted by CK1