[R-390] R390 B+ Expected Tolerance

[Barry]

Correction:  That shouldn't be I^2*R but I*R (2.7V across R625).  Thanks to Renée for correcting that for me directly.

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "n4buq" <n4buq at knology.net>
> To: "Jacques Fortin" <jacques.f at videotron.ca>
> Cc: "R-390 Mailing List" <r-390 at mailman.qth.net>
> Sent: Saturday, November 26, 2022 9:03:53 AM
> Subject: Re: [R-390] R390 B+ Expected Tolerance

> Given that, I should be seeing very close to 7mV (1000 ohms(2.7^2 mA)) across
> R625 and 85V across each VR tube, correct?
> 
> Thanks,
> Barry - N4BUQ
> 
> ----- Original Message -----
>> From: "Jacques Fortin" <jacques.f at videotron.ca>
> 
>> In the R-390 PS, the 5651s should run at 2.7mA and have 85 volts across each
>> of them.
>> The only valid way to test VR tubes is to test those using a DC supply,
>> monitoring both the current thru and the voltage across.
> 
>> 
> > 73, Jacques, VE2JFE in Montreal