Panadaptor

[Peter A Markavage]

Hallicrafters made the same item, with different knobs and paint finish,
as the SP-44. I've had my T-200 for years. Also have the Heath HO-13 and
SB-620 and the Kenwood SM-220/BS8  panadapters. Very useful items for
monitoring transmitting signals for distortion, modulation, carrier
shifts, "how wide really is that other guy's carrier", etc. Also useful
for monitoring band activity, especially on VHF, finding an AM signal on
a crowded band during the evening, etc. CQ, QST, and 73 Mags. had a
number of articles back in  the 60's on interfacing panadapters with
their specific IF's to single and double conversion receivers with
different IF's. A simple mixer circuit, input matches the receiver IF and
the output matches the required panadapter IF. A simple crystal or LC
oscillator to feed the mixer for proper operation. The new Icom Pro
series makes big use of the panadapter in their receivers.  Every station
should have a panadapter to monitor the receive signals and a monitor
scope for monitoring their own signal.
Pete, WA2CWA

On Thu, 4 Jul 2002 00:12:33 -0500 Kenneth Laine Ketner
<ketner at ARISBEASSOCIATES.COM> writes:
> Greetings friends of tubular gear: I have just finished cleaning up
> and
> partially checking out a Panoramic Panadaptor PCA-2T 200, a
> spectrum
> analyser that shows one about 200 kc of received bandwidth, plus
> has
> capability for audio. I had heard about these dudes and always
> wanted to
> play with one, and here it is. Is there anyone on the lists who has
> had
> experience with this little beauty? My trace seems a little dim,
> but
> maybe that is normal. Looking for a panoramic elmer.
>
> Also the manual (from good ole BAMA - what a resource!) explains
> that it
> is set up for input from the plate of RX first detector tube (mixer)
> for
> RXs with 450-470 IFs. Does anyone have experience with putting it on
> IF
> such as the 3k Heath one, or maybe some of the Hallis (to be honest,
> I
> have not checked the Halli IF numbers but assume they are higher
> than
> 455 in their serious ham RX).
>
> Many thanks
> Ken Ketner
> ARS KA5ELD (Extra Class)
>   Personal Webpage: http://www.wyttynys.net
>   Office Webpage: http://www.pragmaticism.net
> Email:
>  home: ketner at arisbeassociates.com
>  office: b9oky at ttacs.ttu.edu
>
> US MAIL
> PO Box 65135
> Lubbock, TX 79464

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