General Electronics

  1. Home
  2. General Electronics
5208 Threads Posts
to

What's this symbol?

What is it? :: http://oi62.tinypic.com/28u69on.jpg It *almost* looks like an audio connector symbol except for the arrow...
4 comments posted 12yrs
posted by invalid
4 comments posted 12yrs posted by invalid

VOM max reading

I want to be able to measure the maximum voltage reading on a VOM over a given time interval, like a fever thermometer...
1 comments posted 12yrs
posted by kpgpbhdw
1 comments posted 12yrs posted by kpgpbhdw

MIDI Expander Box

For those who use MIDI-capable musical instruments: I've got a nearly 25-year old MD 80 MIDI expander (thru) box that w...
3 comments posted 12yrs
posted by arl_123234
3 comments posted 12yrs posted by arl_123234

Schematic wanted: Crest ultrasonic cleaner

Crest model 4G-250-3, early 90's vintage. Part numbers have been sanded off all ICs. It would be great to find a schemat...
4 comments posted 12yrs
posted by gwprez
4 comments posted 12yrs posted by gwprez

Scam or legitimate music site ?

This is way off topic for many, but I have a feeling that there are more than a few real musicians and even more aspiri...
3 comments posted 12yrs
posted by dgminala4444
3 comments posted 12yrs posted by dgminala4444

Re: Rubber dome switches

Xpost list trimmed. Followups set to sci.electronics.repair . > So I have to repair a Yamaha instrument that has its pu...
0 comments posted 12yrs
posted by mroberds
0 comments posted 12yrs posted by mroberds

Op-Amp Sawtooth Generator

Op-Amp Sawtooth Generator is unavoidable part of PWM modulators and so part of analog control circuits. Now it can be s...
1 comments posted 12yrs
posted by pchung705
1 comments posted 12yrs posted by pchung705

Connector source?

Looking for the manufacturer and (praying) the series of this connector: http://oi57.tinypic.com/w7luea.jpg http://oi57....
1 comments posted 12yrs
posted by invalid
1 comments posted 12yrs posted by invalid

Flyback converter

Even though some authors presents flyback converter as transformer isolated boost converter, it is more closer to reali...
0 comments posted 12yrs
posted by pchung705
0 comments posted 12yrs posted by pchung705

Financing America - Mining Securities

We have during the last five years seen a mining development driven by dema nd. Now, the development is been achieved a...
1 comments posted 12yrs
posted by info.angelance
1 comments posted 12yrs posted by info.angelance

Solar garden light schematic.

On A.B.S.E I've posted the schematic of a solar Led garden light in the hope someone can name the type of oscillator. Th...
1 comments posted 12yrs
posted by gangprobing.alien
1 comments posted 12yrs posted by gangprobing.alien

ST semi - CHN063AB.

Anyone know whether this is a thinly disguised MC34063? Its definitely a switcher of some sort. Thanks.
0 comments posted 12yrs
posted by gangprobing.alien
0 comments posted 12yrs posted by gangprobing.alien

Boost DC-DC converter online simulation

Online simulation of Boost converter DC-DC converter is ready. Boost DC-DC converter has output voltage always higher t...
0 comments posted 12yrs
posted by pchung705
0 comments posted 12yrs posted by pchung705