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Re: Variable power control

 

Here's an old thread well worth reading that touches on pin diode attenuators, mostly in regard to agc for the receiver.
? ??/g/BITX20/topic/5945215
Here's another old thread:
? ??/g/BITX20/topic/5913954

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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