Electronics Design

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Changes in electrical length of bent coax cables

Gentlemen, Is it true that the electrical length of a coax patch lead changes if it's bent through a radius in order to...
22 comments posted 6yrs
posted by curd
22 comments posted 6yrs posted by curd

Nice microscope

My first microscope finally arrived: https://www.aliexpress.com/item/32880372287.html Strange parts review: https://you...
13 comments posted 6yrs
posted by klaus.kragelund
13 comments posted 6yrs posted by klaus.kragelund

The Pig is dead!

I have lived here for over 20 years, and I've had horrible power line noise the entire time. I had two power outages, W...
48 comments posted 6yrs
posted by terrell.michael.a
48 comments posted 6yrs posted by terrell.michael.a

OT an electronic circuit

https://www.dropbox.com/s/tjr7gxyhdzc8tb4/21S771A3.pdf?dl=0 All my boys and girls are busy with VHDL and c and Python,...
41 comments posted 6yrs
posted by jlarkin
41 comments posted 6yrs posted by jlarkin

Skybuck Flying's Corona Game !

Hello, Today, 28 february 2020, I just created a Corona Game ! http://www.skybuck.org/Games/CoronaGame/ You can downloa...
7 comments posted 6yrs
posted by skybuck2000
7 comments posted 6yrs posted by skybuck2000

Tektronix 2% Ag Solder

Why ? I know it is for their proprietary (probably) ceramic connector strip s. They indicate you can get by with regula...
14 comments posted 6yrs
posted by jurb6006
14 comments posted 6yrs posted by jurb6006

relay test

https://www.dropbox.com/sh/2dt16zi77k4ljos/AAA9jNP8c5cX3NlnZG2u4uQga?dl=0 This seems pretty fast for a DPDT 8 amp 250 V...
4 comments posted 6yrs
posted by jlarkin
4 comments posted 6yrs posted by jlarkin

Huge savnings for all, collaborative ASIC

Just a good idea, my humble opinion: ASIC is expensive, and the chip companies earn good profits on selling commodity c...
25 comments posted 6yrs
posted by klauskvik
25 comments posted 6yrs posted by klauskvik

Hamamatsu thermopiles

So on this science listserve, I said that Hamamatsu makes cheap thermopiles, like these, https://www.hamamatsu.com/reso...
4 comments posted 6yrs
posted by ggherold
4 comments posted 6yrs posted by ggherold

I thought I was smart enough

I'm try to help the guy with the LDR triggering a 555. I'm slowly walking him through it and now just triggering it wit...
6 comments posted 6yrs
posted by nojunk
6 comments posted 6yrs posted by nojunk

Question regarding class F amplifier efficiency

Could some electronics guru here please provide some hints. I am SPICE simulating a class F amplifier with 3, 5 and 7 h...
0 comments posted 6yrs
posted by dakupoto
0 comments posted 6yrs posted by dakupoto

250A electronic load

Folks who have been paying attention know that I've nailed the EE-lab techniques of designing high-amperage current sou...
34 comments posted 6yrs
posted by winfieldhill
34 comments posted 6yrs posted by winfieldhill

2 GHz buffer with 2N390x

https://www.allaboutcircuits.com/technical-articles/voltage-buffer-simulation-composite-amplifier-simulation-boost-outp...
22 comments posted 6yrs
posted by jlarkin
22 comments posted 6yrs posted by jlarkin