[ARC5] BC-375 Re-Tube Project- Scratch Three

[Kenneth G. Gordon]

On 18 Nov 2013 at 3:10, David Stinson wrote:

> Three candidate tubes for the  
> "Cheap Tubes for the BC-375" project have disappointed.  
> 1625, 837 and 7984 will not "hold up" in this service.
> Once the screen voltages are dropped to spec,
> the tubes lack the gain to oscillate reliably, even 
> with heavy "gimmick" cap coupling between grid
> and plate in the OSC stage.

David: Have you yet tried connecting the screen to the GRID (G1). As I said 
earlier, this results in a HIGH-MU triode, which SHOULD work much better 
as an oscillator.

Kenneth G. Gordon W7EKB

"Courage is being scared to death but saddling up anyway."--- John   Wayne