General Electronics

Intermittant Buried Cable Problem

i have a Buried cable that is about 1/2 mile long. It contains 6 pairs of #22 AWG wires wrapped in a shield and filled...

15 comments posted 22yrs

posted by chemelec

15 comments posted 22yrs posted by chemelec

New cable=subwoofer buzz

My home theatre system came with a powered subwoofer and a 4' RCA cable to hook it up to the receiver. It always had a...

2 comments posted 22yrs

posted by nojunkmail.signups

2 comments posted 22yrs posted by nojunkmail.signups

Track furnace duty cycles?

Does anyone know of an easy way to track the HVAC duty cycles? Thanks in advance -Dan

1 comments posted 22yrs

posted by nojunkmail.signups

1 comments posted 22yrs posted by nojunkmail.signups

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0 comments posted 22yrs

posted by o40

0 comments posted 22yrs posted by o40

Tachometer for slow RPM

Dear friends, I am wanting to project a Tachometer for my motorcycle using the part mechanics (pointer) of an industria...

0 comments posted 22yrs

posted by fjpc60

0 comments posted 22yrs posted by fjpc60

Problem with my PC' speakers

hey people Today I was listening to music in my PC when a very irritating problem started: Suddenly the sound started t...

5 comments posted 22yrs

posted by chaos_master

5 comments posted 22yrs posted by chaos_master

Re: I need help with this simple amplifier design

To prevent thermal runaway - In place of R5 try a low-power npn transistor like a BC109 with collector coupled back to...

4 comments posted 22yrs

posted by g4fgq.regp

4 comments posted 22yrs posted by g4fgq.regp

Variable frequemcy drive circuit

Is there anyone able to obtain the schematic for variable frequency drive on single phase motor?

0 comments posted 22yrs

posted by ben

0 comments posted 22yrs posted by ben

APC Back-UPS ES 500

It says the output current on the Backup part is: 120V~, 60Hz, 2.9A 120V~, 60Hz, 4.2A Totalling 7.1 Amps. Would it be p...

1 comments posted 22yrs

posted by chickenmonkey

1 comments posted 22yrs posted by chickenmonkey

several questions on saitek eco charger

hello everybody... i bought an saitek eco charger (the first one) on ebay recently, and now have several question on ho...

0 comments posted 22yrs

posted by e9926600

0 comments posted 22yrs posted by e9926600

BMI Power monitor

BMI 3030 power monitor for sale. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=50962&item=3816969773&rd=1&ssPag...

0 comments posted 22yrs

posted by russkrom

0 comments posted 22yrs posted by russkrom

Help with circiut design

My name is James Wilson and I am a student at Hawarden High school. I am currently studying systems and control and am...

0 comments posted 22yrs

posted by thesherminator88

0 comments posted 22yrs posted by thesherminator88

DDR SDRAM

HI GUYS, I NEED SCHEMA FOR DDR SDRAM MODULE. THANKS GORAN

0 comments posted 22yrs

posted by goxy1

0 comments posted 22yrs posted by goxy1

LCD Power Consumption Question

I have a Casio watch that has two simultaneous displays: a large, analog display (with physical hour and minute hands,...

1 comments posted 22yrs

posted by san

1 comments posted 22yrs posted by san

looking for TTL latch IC

Hi all, I'm trying to find a 4bit Latch with input enable, NOT output enable. Theres many chips which will disable the...

27 comments posted 22yrs

posted by exxos

27 comments posted 22yrs posted by exxos