[Amps] GS-35B test at low voltage

[Bill Turner]

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On Tue, 25 Apr 2017 12:50:15 +0800, you wrote:

>According to the curves, with 1kV on the anode, it only starts 
>conducting when bias is less than 10V or so. At 0V, she'll run at about 
>200mA.
>
>Kill the bias and try it.
>
>73, Alek
>VK6APK

REPLY:

According to several reports on this group, the GS-35b needs to be run
at an anode voltage of about 4000 VDC to get decent efficiency. I
built one that ran at only 3000 VDC and the efficiency was only about
50%. Admittedly, 4 kV exceeds the manufacturer's ratings but it seems
to work OK. You should expect in the range of 60-65%. 

73, Bill W6WRT