[ARC5] BC453 on 24V - screen voltage
Kenneth G. Gordon
kgordon2006 at frontier.com
Tue Dec 10 18:17:02 EST 2019
On 10 Dec 2019 at 22:43, Hubert Miller wrote:
> You measured the HFO plate voltage with 30 VDC supply ?
> -Hue
No.
I measured the HFO plate voltage with the 250 Volt supply...actually, 236.8 VDC from my
home-brew power supply.
In other words, with the 250 VDC from the dynamotor applied to the receiver's +HV
connection, the HFO is operating on a plate voltage of very close to 30 VDC.
And, furthermore, so is the BFO.
I suspect the HFO is operating at such a low voltage in order to keep drift to a minumum.
Ken W7EKB
More information about the ARC5
mailing list