[Amps] 4CX250B/F
GGLL
nagato at arnet.com.ar
Sat Jun 21 14:51:35 EDT 2003
If this means to apply HV after the warm up period one must place a
timer for the HV transformers, which could be the reason of doing it?.
What potential problem could this delay prevent?.
Best regards
Guillermo - LU8EYW.
Bill Fuqua escribió::
> My EIMAC data sheets even thought it does not specify a heating time,
> "----" where a value would be listed, for the 4CX250B or F (listed in
> same data sheet) said that it recommends that heater voltage be
> applied 30 seconds minimum before applying other voltages. But it does
> not state that it is absolutely necessary. For the R it list a heating
> time of 30 to 60 seconds and still has the recommendation of at least
> 30 seconds minimum for application of filament voltage before the
> others. I suspect heating time may refer to the time to reach full
> cathode emission.
>
> 73
> Bill wa4lav
>
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