[time-nuts] Questions about HP 5370B
bruce.griffiths at xtra.co.nz
Tue Sep 14 19:29:19 UTC 2010
Mike S wrote:
> At 08:19 AM 9/14/2010, Bruce Griffiths wrote...
>> It doesn't use IC regulators.
> Yes, it does. A7U1 (on the "Oscillator Power Supply," which is apropos
> to this thread) is a common 7812 3 terminal one.
The oscillator regulator shouldn't run hot since the current for the
10811A oven controller and oscillator regulator is rather low (a few mA).
The main regulators provide amperes of current for the ECl and CML logic.
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