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Insulation voltage in spec EN61558

Hi, My historic Tek 547 scope developed a short in the main transformer between CRT filament winding and shield. I'd li...
0 comments posted 19yrs
posted by mnieuw
0 comments posted 19yrs posted by mnieuw

Thallium in electronic components ?

Seeing reporting of the spy poisoning case in London , the BBC mentions it is used in electronic components. Other than...
4 comments posted 19yrs
posted by diverse8
4 comments posted 19yrs posted by diverse8

Enamalled copper wire

Ladies and Gents, A collegue of mine in our workshops needs a long length of 0.5mm enamelled copper transformer wire, b...
26 comments posted 19yrs
posted by bob
26 comments posted 19yrs posted by bob

Need a relay recommendation

I need a recommendation for a relay. My timer outputs +5vdc for 30ms when the timer goes off. I need a relay that will...
17 comments posted 19yrs
posted by cenglish
17 comments posted 19yrs posted by cenglish

Dropping resistor

I just bought a pr. of amplified speakers,{small} only 30 wattr rms.I am putting these on my bike which is 12dc. The po...
6 comments posted 19yrs
posted by conntaxman
6 comments posted 19yrs posted by conntaxman

Can anyone assist?

Hi chaps, hope someone here can help me either design a unit or build one for me. i have mains powered interlinked smok...
8 comments posted 19yrs
posted by r.p.mcmurphySPAM
8 comments posted 19yrs posted by r.p.mcmurphySPAM

How can I secure my house.

I have been trying to secure my house and have not been sucessful. I have tried all the locks on the market with no luc...
4 comments posted 19yrs
posted by myspirit2000
4 comments posted 19yrs posted by myspirit2000

rf bandpass filters 2.4GHz

Hi all, I am transmitting in channel 3 of 802.11b, centered at 2.422Ghz. Details aside, let me just say that it is very...
7 comments posted 19yrs
posted by kevin.pavin
7 comments posted 19yrs posted by kevin.pavin

future of lcd monitor

what is future of lcd monitor? are you know about it information?
6 comments posted 19yrs
posted by krunal_chauhan123
6 comments posted 19yrs posted by krunal_chauhan123

Re: Today, I had the misfortune

> I'm back from vacation (I live in the UK nowadays :) - I was trying to > deal with something a cow-orker hosed up. >...
46 comments posted 19yrs
posted by ms
46 comments posted 19yrs posted by ms

DVD/VCR combo - universal remote programming

I have a Phillips DVD/VCR combo which I lost the remote control. I was able to program a universal remote to on/off its...
3 comments posted 19yrs
posted by tedqn
3 comments posted 19yrs posted by tedqn

vacuum insulated electric kettles ?

With all the push towards lower power consumption in home appliances, like new standards for standby power consumption...
5 comments posted 19yrs
posted by not.valid
5 comments posted 19yrs posted by not.valid

Teac X-7R capstan stalling

I just replaced the belt with a PRB generic. Now about half the time I have to nudge the flywheels to get the capstans...
1 comments posted 19yrs
posted by nakman8
1 comments posted 19yrs posted by nakman8

TFT-LCD Display Solution

We provide TFT-LCD display solution, please visit http://www.displaysolution.com.hk for details
0 comments posted 19yrs
posted by david
0 comments posted 19yrs posted by david