Re: Variable power control

Jerry Gaffke

Here's an old thread well worth reading that touches on pin diode attenuators, mostly in regard to agc for the receiver.
Here's another old thread:

Jerry, KE7ER

On Thu, Feb 22, 2018 at 06:34 am, Karl Heinz Kremer, K5KHK wrote:
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. 

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