[AMPS] Mirage Amp Modification

[km1h@juno.com]

On Sat, 20 Feb 1999 20:56:30 -0500 "frank ayers jr" <LOMAX1@prodigy.net>
writes:
>
>I have a couple of Mirage bricks that I am thinking of using as 
>IPA's.
>Problem is that they would be run about half rated output. Anybody 
>have
>success in adding an active bias circuit to get the IMD out of the 
>single
>digit range?
>
>
>Frank
>W2FCA


Fred, N1DPM, wrote an excellent active bias mod in the NE VHF/UHF
proceedings a few years ago. Two cheap transistors and a few other parts.
Send me a large SASE and .55 postage for a copy.
Ive made the mod in Mirage, RFC, TE and THP bricks and it works real
well.

73  Carl  KM1H




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