[AMPS] Grid block keying of SB200 for QSK???

[rakefet@rakefet.com (Vic Rosenthal)]

Bob Duckworth wrote:
> 
> Has anyone tried grid block keying of SB200?

Look at the QSK circuit on Rich Measures' web site, 

http://www.vcnet.com/measures/

It includes an 'Electronic Cathode Bias Switch' which cuts off the tubes on ket
up.  I've used this circuit successfully on several GG amps.

73,
Vic, K2VCO
Fresno CA

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