[1000mp] FT1000MP Key Clicks on first element DO Matter

Sun, 29 Dec 2002 15:46:55 -0500

Ted, I'm quite certain it wasn't AGC pumping.  Bear in mind that the WAV 
recording is when I tuned off my run frequency approx. 800hz so that W8FJ's 
fundamental was within my passband - in this way you can hear the actual cw 
he was transmitting.  What was heard on my run frequency was only those 
first element pops/clicks.  BTW, his fundamental received signal was not 
overly strong.

Ted, please email me privately if you want to discuss the AGC idea further.

73,
Barry N1EU

>From: [email protected]
>Reply-To: [email protected]
>To: [email protected]
>CC: [email protected]
>Subject: Re: [1000mp] FT1000MP Key Clicks on first element DO Matter
>Date: Sun, 29 Dec 2002 15:12:32 -0500
>
>Barry,
>
>You may want to try the test again and turn the AGC off
>and lower the RF gain on the RX.  See if this makes any difference.
>I listened to the wave file and it sounded like it may be
>RX AGC pumping to me...   Just my opinion...
>
>73,  Ted  K2QMF
>
>On Sun, 29 Dec 2002 13:57:08 -0500 "Barry N1EU" <[email protected]>
>writes:
> > To answer Ted's question, fast AGC was being used on the MP
> > receiver.
> >
> > Another question posed to me by W8FJ is whether the clicks on his
> > first
> > element are being caused by his MP keying waveform or possibly by
> > the way he
> > is switching his Titan amp (via vox but I don't have the details
> > yet).  I
> > don't know whether he might be hot switching the amp on or not.  I
> > suggested
> > that he experiment with the MP-amp interfacing and conduct some
> > over-the-air
> > tests.
> >
> > 73,
> >
> > Barry N1EU
> >
> >
> >
> >
> >
> >
> >
> >
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