Re: Variable power control

Gordon Gibby <ggibby@...>

​Thanks -- great info.  3db insertionloss.  

From: <> on behalf of Karl Heinz Kremer, K5KHK <khk@...>
Sent: Thursday, February 22, 2018 9:34 AM
Subject: Re: [BITX20] Variable power control
There is an HP application note about PIN diode attenuators:

I was just about to recommend a PIN diode attenuator as well. The device used in this particular configuration reached it's end of life, and may be hard to get soon. There are alternatives:

The data sheet has a chart that shows insertion loss based on frequency and control voltage. 
Karl Heinz - K5KHK

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