[ARC5] "Curing Chirp in Command Transmitters" MO Grid Bias, Cathode Modulation

[Mike Morrow]

I wrote:

> there is no such circuitry in the MO circuit, nor any other place in the
> the entire ATA, SCR-274-N, or AN/ARC-5 that uses the 28 vdc supply to
> provide grid bias to any tube.

Robert has kindly reminded me that the 1629 eye-tube derives cathode bias
from 28 vdc power.  Thanks Robert.

Mike / KK5F