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[AMPS] Kenwood ts2000 driving a G2DAF amp

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Subject: [AMPS] Kenwood ts2000 driving a G2DAF amp
From: sm3mxr@swipnet.se (Einar Persson)
Date: Sat, 04 Aug 2001 00:42:20 +0200
No I have not measured it. Someone on this list said that the TS2000 has
a lousy TX with IMD just a few figures better than 20db below pep.
I think the figures came from a British test of the radio.

Maybe Peter or Ian can help with the correct figures?

cheers Rich

Einar, SM3MXR

2 wrote:

> >
> >2 wrote:
> >
> >> >
> >> >I don't understand what G2DAF has to do with this? Please explain?
> >> >
> >> The three G2DAF amplifiers that I've measured on the air had IMD of no
> >> better than -22db below PEP.  Eimac says that tetrodes need regulated
> >> screen voltage for best linearity.  The DAF uses wildly fluctuating
> >> screen-V.
> >
> >If so, the G2DAF invention from the fifties or sixties is about as good or
> >bad as the fairly new Kenwood TS2000.
>
> //   Wow!   This is c. 11db more IMD than the Kenwood TS-440S.  Did you
> measure the IMD yourself?  If so, please describe how you measured it.
>
> cheers, Einar
> >
> >
> >
> >--
> >FAQ on WWW:               http://www.contesting.com/FAQ/amps
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> >
> >
>
> -  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
> end



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