[Boatanchors] 30S1 bis query

Gary Schafer garyschafer at comcast.net
Mon Aug 14 19:51:57 EDT 2006


Check the screen voltage.

73
Gary  K4FMX

> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net [mailto:boatanchors-
> bounces at mailman.qth.net] On Behalf Of Jack Taylor
> Sent: Monday, August 14, 2006 6:11 PM
> To: boatanchors at mailman.qth.net
> Subject: [Boatanchors] 30S1 bis query
> 
> I'm having a problem understanding what the 30S1 bias voltage should
> approximately
> read in the SSB and CW positions.  The manual says the "voltage necessary
> to
> set
> idling plate current to 200 ma".  On mine, the bias can be adjusted from
> approximately
> -38 to -65 volts and I never see anymore than zero plate current with no
> drive.
> 
> 73 de Jack - N7OO
> 
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