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ST7540, powerline modem

I am currently developing a module which uses this device. When I configure it to communicate within a band which is di...
2 comments posted 18yrs
posted by no.spam
2 comments posted 18yrs posted by no.spam

sub woofer hums when I touch PC's metal chassis

I think I may have a bad ground somewhere but when I touch any metal part of the PC, I get a buzzing hum from the sub w...
1 comments posted 18yrs
posted by impmon
1 comments posted 18yrs posted by impmon

Looking for info on driving video signals

Hello all. I'm looking to build a circuit capable of driving most NTSC input compatible devices, but having a hard time...
0 comments posted 18yrs
posted by larkmore
0 comments posted 18yrs posted by larkmore

V-Gear MobiDTV

Does anyone know how to synchronise the sound and video. Good video reception but sound is distorted and out of sync.
0 comments posted 18yrs
posted by weemacian
0 comments posted 18yrs posted by weemacian

seeking audio adaptor mini xlr - jack

Hi, I'm looking for an adaptor that will connect my Shure lavalier mike (with mini xlr plug) to a quarter inch jack soc...
12 comments posted 18yrs
posted by tg
12 comments posted 18yrs posted by tg

AC Motor Control

Hello, I was hoping that someone might be able to help me select a suitable motor speed controller, or inform me how I...
4 comments posted 18yrs
posted by enki1337
4 comments posted 18yrs posted by enki1337

Low voltage power supply books

Hi, Can anyone recommend a book on design/building of low voltage power supplies. There seem to be quite a few books ou...
0 comments posted 18yrs
posted by tim
0 comments posted 18yrs posted by tim

Tesla's Wireless Power Transmission

Can someone who is familiar with Tesla's wireless transmission of power explain how this was to be achieved? I have a l...
5 comments posted 18yrs
posted by danbosvac
5 comments posted 18yrs posted by danbosvac

Need display design help

Hi all, I haven't designed a circuit in the past 15 years and need some help. I'm into aircraft avionics and want to bu...
34 comments posted 18yrs
posted by bonanzaman
34 comments posted 18yrs posted by bonanzaman

Regarding problem in my NVGS-15 MiniDV Handycam

I have purchase done handycam 2 yrs back, now when I insert the mini DV casette inside the cam, push to reset messege a...
0 comments posted 18yrs
posted by abhayk.in
0 comments posted 18yrs posted by abhayk.in

High voltage power supply chassis

Hi, I've just started an Associates level Biomedical Engineering Technology program and we have to design a power this...
13 comments posted 18yrs
posted by fcache
13 comments posted 18yrs posted by fcache

Vivicam3660+dismantling?

I have been asked to try tracing a fault on a friend's Vivicam 3660. Having removed all the small screws that I can see...
0 comments posted 18yrs
posted by john.stereo
0 comments posted 18yrs posted by john.stereo

LED

I am looking for a schematic of a simple circuit that using a series of batteries will run from off to full brightness a...
0 comments posted 18yrs
posted by wmills1
0 comments posted 18yrs posted by wmills1

Saltwater pool chlorinator

Does anyone have plans for building a saltwater pool chlorinator for use on a backyard swimming pool? Any suggestions w...
1 comments posted 18yrs
posted by resman
1 comments posted 18yrs posted by resman