[AMPS] 8877 Warm Up

[Peter Chadwick]

Marv says:

>This is hearsay but I have heard that leaving an oxide
> type heater on low voltage standby for extended periods
> is not a good practice.  

Isn't this one of the things that causes cathode interface impedance problems? I
seem to remember that Millman and Straub's 'Pulse and Digital Circuits' has
something about this
in it.

73

Peter G3RZP


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