On 11/05/2010 8:35 PM, Orchid XP v8 wrote:
> Stephen wrote:
>
>> Feck! About 35 years ago I built a digital clock out of TTL. It used
>> 30 amps at 5 volts Vcc. The power supply was bigger than a modern PC.
>
> 5 amps?!
>

5 amps per PCB. If IIRC TTL uses 250 ma per chip and there were 20 chips 
per PCB and 6 PCBs. Include the losses in the PS and it was just less 
than a Kw. It glowed <joke>

> How thick was the damned wire??
>

Standard for the time. ;-)

>> You are mad, you know ;-)
>>
>> Does your wife know about this ?
>>
>> I hope that you have comprehensive fire insurance :-P
>
> Hmm, yes... I think they're calling you a nutjob, Mike.
>

No just a hobbyist with more money and time than sense LOL


>> BTW let us know how you get on. :-)
>
> THIS IS THE REAL WTF! o_O
>

We will see.

-- 

Best Regards,
	Stephen

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