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help

SHALOM I ask you to read this letter till the end! Don't treat to my words with indifferens. On Your understanding it w...
0 comments posted 21yrs
posted by israelhaifa
0 comments posted 21yrs posted by israelhaifa

ETI hobbyist magazines - free to a good home

Electronics Today International about 80 mags from the 1980s . If not collected by anyone from Southampton, England the...
0 comments posted 21yrs
posted by diverse2
0 comments posted 21yrs posted by diverse2

Filter Banks

Hello I just need some help. I am searching for information about Filter Banks: Overview Structures Types ... Can somebo...
1 comments posted 21yrs
posted by nospam
1 comments posted 21yrs posted by nospam

Increasing brightness of LCD display on radio

Hello people. I have a pocket radio with a LCD display that shows current station frequency and if the radio is on AM,...
6 comments posted 21yrs
posted by e-mail
6 comments posted 21yrs posted by e-mail

Basic Transistors

Hello again, I have a small question about BJT. I know that Vbe has to be at least 0.7 in most case. But I have a circu...
8 comments posted 21yrs
posted by lerameur101
8 comments posted 21yrs posted by lerameur101

Maida Z151-03UL

I've been scrounging a few parts from old defunct AT SMPSes, and I found a few that have these Maida Z151-03UL transien...
4 comments posted 21yrs
posted by NOSPAM
4 comments posted 21yrs posted by NOSPAM

??????????

i am tring to get a wireless doorbell to light a dc powered light instead of sound a bell. I have tried removing the ch...
1 comments posted 21yrs
posted by ljm49
1 comments posted 21yrs posted by ljm49

capacitors in series

Hello, This is something very basic, I have been using it for a while, When you two capacitors in series, you end up ha...
3 comments posted 21yrs
posted by lerameur101
3 comments posted 21yrs posted by lerameur101

TC1025 coparator Spice model please

Hi, Can anybody help me with a spice model that will simulate the TC1025 dual comparator please? Thank you Johan Smit
1 comments posted 21yrs
posted by smitjsno
1 comments posted 21yrs posted by smitjsno

Linear UPS for sale

Emerson (Computer power) UPS for sale. I have three linear UPS 800 @ $20 ea. and one linear UPS 1500 @ $30 Dim: 20"W x...
2 comments posted 21yrs
posted by <±2°
2 comments posted 21yrs posted by <±2°

coupling

how to determine the exact coupling of the field to the parallel plate metal waveguide? thanking you
2 comments posted 21yrs
posted by saru.pokharel
2 comments posted 21yrs posted by saru.pokharel

OT: Copy PATH from Windows Explorer ??

I'm in my usual mode of receiving (Spice) library files from systems using Linux/Unix/Eunuchs, so paths are a gezillion...
89 comments posted 21yrs
posted by thegreatone
89 comments posted 21yrs posted by thegreatone

FA: vintage EECO tube circuits and tubes

This is a lot of 24 viintage EECO tube circuits. About half of them have the tubes installed...typically a 12AU7-type....
1 comments posted 21yrs
posted by glarsonjr
1 comments posted 21yrs posted by glarsonjr