> ? Yes. Also, the orig. shunt resistor was wire wound. The cathodes
> themselves are c. 27-ohms avg. so a series cathode-resistor is needed to
> increase the driving Z of the cathodes. Another circuit improvement is to
> add a ultra fast recovery 1a/400v diode in series with the shunt R. The
> diode is oriented to prevent current from flowing in the shunt R when the
> tubes are conducting. This makes for a more balanced load on the radio.
What is the reverse recovery time of the diode you used?
73, Tom W8JI
w8ji@contesting.com
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