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Re: U3S RF Power Transistor


 

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No harmonic filters?

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Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

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Moderator ¨C North American QRO Group at Groups.IO.

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email:? bill@...

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From: [email protected] [mailto:[email protected]] On Behalf Of Andy Brilleaux via Groups.Io
Sent: Thursday, April 11, 2019 5:40 AM
To: [email protected]
Subject: Re: [QRPLabs] U3S RF Power Transistor

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I made an RD06HHF external amp, for my QRP Labs rigs and for general use.



I have one of my QRP Labs rigs set for about 200mw output, and pass it via a 3db attenuator.

I prefer to use an attenuator because it keeps the impedance constant at 50R regardless of frequency (RD06HHF is about 200R).

- Andy -


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