[Heathkit] HP 23

[Bwana Bob]

Yes, adjustable bias is available on pin 11. The voltage is -80 to -40 
V. The low B+ can be switched for 250 or 300 V (loaded). This applies to 
the HP-23 and HP-23A. The later HP-23B and C did not have the adjustable 
bias.


				73,

				Bob WB2VUF
Jim Isbell, W5JAI wrote:

> Is the adjustable bias on the HP-23 adjustable to -65V?
> 
> I am interested in using a HO-23 to power a Collins KWM-2