[Elecraft] K2 IF amp alignment

[Paul Bartlett]

Aaahhhhh.

T7. I was supposed to wind and fit that, I seem to have missed it.

T5's wound and fitted but not ticked off. T7's ticked off and missing from
the board. Bugger.

It's the gin....

Oh well.

Paul :-(

----- Original Message -----
From: "Eddy Avila" <k6sdw@hotmail.com>
To: <elecraft@mailman.qth.net>
Sent: Wednesday, April 23, 2003 2:16 PM
Subject: Re: [Elecraft] K2 IF amp alignment


>
> Hi Paul...I just went through this question with the guru's of Elecraft
and
> the reflector. Yes indeed, L34 is flat! The peak is subtle and broad but
on
> my K2 SN3345 it makes some difference. I ended up using the Spectrogram
> software to "see" the peak....I really recommend spending the $25 for this
> program...invaluable! As for not hearing the birdie at 7.000 you won't
hear
> it if an antenna is connected because  the band noise masks the signal.
Mine
> is pretty strong so I'm guessing you probably do have a problem in the
> receiver.
>
> All my problems, by-the-way, were self-inflicted....and they were many!!!
AS
> suggested by Gary at Elecraft my most successful troubleshooting tack was
to
> start from the beginning and check every installed component. I found my
> mistakes this way.
>
> 73...and good luck! ed
>
>
>
>
>
> >From: "Paul Bartlett" <paul@fulking.freeserve.co.uk>
> >To: <FT817@yahoogroups.com>, <hfpack@yahoogroups.com>,<qrp-l@lehigh.edu>,
> ><elecraft@mailman.qth.net>
> >Subject: [Elecraft] K2 IF amp alignment
> >Date: Wed, 23 Apr 2003 10:53:38 +0100
> >
> >Hi Gang,
> >
> >I'm up to page 61 in the manual (IF amplifier alignment). I could find no
> >trace of the internally generated signal near 7000 kHz.
> >
> >I have the benefit of a rather nice Marconi sig-gen and stuffed 7.15000
MHz
> >into the antenna socket. The manual suggests -100 dbm but I find the
> >recovered signal disappears to the point of inaudibility at about -85dbm.
> >
> >The 40m bpf inductors peaked up nicely but tuning L34 was pretty flat.
> >
> >Does this seem right or should I investigate further?
> >
> >Best,
> >
> >Paul M3CRQ
> >
> >
> >_______________________________________________
> >Elecraft mailing list: Elecraft@mailman.qth.net
> >You must be a list member to post to the list.
> >Postings must be plain text (no HTML or attachments).
> >See: http://mailman.qth.net/mailman/listinfo/elecraft
> >Elecraft Web Page: http://www.elecraft.com
>
>
> _________________________________________________________________
> Add photos to your e-mail with MSN 8. Get 2 months FREE*.
> http://join.msn.com/?page=features/featuredemail
>
> _______________________________________________
> Elecraft mailing list: Elecraft@mailman.qth.net
> You must be a list member to post to the list.
> Postings must be plain text (no HTML or attachments).
> See: http://mailman.qth.net/mailman/listinfo/elecraft
> Elecraft Web Page: http://www.elecraft.com
>