General Electronics

Linux PC as oscilloscope

I've seen some free software for using one's PC under Linux as an oscilloscope. Before I get bogged down trying to do t...

4 comments posted 23yrs

posted by ara

4 comments posted 23yrs posted by ara

6-12V NiMh batteries

Hi guys, I need a NiMh battery to power a 15W lamp. What would be a good 6.0, 7.2, or 12V power source? I need about 4....

4 comments posted 23yrs

posted by someone

4 comments posted 23yrs posted by someone

SOX lamp strike and running power requirements

Hi, Hope this is the right news group for this questions... Does anyone have details of the strike voltage and running r...

1 comments posted 23yrs

posted by snakes_boi

1 comments posted 23yrs posted by snakes_boi

Using a LM301 OP-AMP as a crystal accosilator.

Sorry If I missed spelled the top part. I need to know how you can use a LM301 OP-AMP or a SHMITT trigger IC to 10MHZ o...

3 comments posted 23yrs

posted by swiper

3 comments posted 23yrs posted by swiper

Re: STONE was Re: eer

> > > Let's see if I can get this all in one rambling diatribe...... > > Gee, Chip, I LIKE it! Let me know when you hol...

1 comments posted 23yrs

posted by aichipREM

1 comments posted 23yrs posted by aichipREM

Video to RGB adapter

I have a Plasma tv and im looking for a video signal to RBG adaptor. Does anyone know where I can obtain one or does an...

1 comments posted 23yrs

posted by spal508596

1 comments posted 23yrs posted by spal508596

Fried LED 7 seg displays - Help required

Hi group Patient - 1 very expensive display unit for a wind turbine regulator . All the LED displays are damaged - one...

4 comments posted 23yrs

posted by testing_h

4 comments posted 23yrs posted by testing_h

help with AGC using 136000

Dear all: I'm desingning a system that sends data through the telephone line. I'm using an 1N9270 chip (HM9270) tone de...

0 comments posted 23yrs

posted by saitogando

0 comments posted 23yrs posted by saitogando

Re: Insufficient cable TV wiring bandwith..

>Our home was wired for cable TV when we built it18 years ago using RG59 >cable installed before the sheetrock went up....

3 comments posted 23yrs

posted by Jim-T

3 comments posted 23yrs posted by Jim-T

CRO schematic

I am currently repairing a Hung Chang 6502 Oscilloscope. The fault is a blank display. I have been through the circuitr...

0 comments posted 23yrs

posted by danno

0 comments posted 23yrs posted by danno

Radial Coil Calculator

Here is another one for you guys to Try, Discuss, Run Down or Whatever. A Radial Coil Calculator. (Flat Coils)(Archimed...

0 comments posted 23yrs

posted by chemelec

0 comments posted 23yrs posted by chemelec

WTD: Data on NKG3029B VCTCXO

Hi, Does anyone have a datasheet for the NKG3092B VCTCXO (Voltage controlled temperature compensated crystal oscillator...

0 comments posted 23yrs

posted by philpem

0 comments posted 23yrs posted by philpem

Running leds on AC

Received wisdom is that one should use an inverse-parallel diode or perhaps a series diode of adequate PIV, but what ac...

3 comments posted 23yrs

posted by cpm

3 comments posted 23yrs posted by cpm

Free Parts for school - Los Angeles area

I started as an electronic hobbyist but I've moved up the food chain and do it for a living now. I work at a decent siz...

23 comments posted 23yrs

posted by dmfraser

23 comments posted 23yrs posted by dmfraser

Forever Flasher (& flashlight)

I built the flasher circuit from Dave Johnson's website, See URL http://www.discovercircuits.com/PDF-FILES/3vledfs1.pdf...

39 comments posted 23yrs

posted by alondra101

39 comments posted 23yrs posted by alondra101