[AMRadio] Re: 160m AM receiver project


sbjohnston at aol.com sbjohnston at aol.com
Tue Oct 28 08:32:54 EST 2008


The dial is direct drive to the original capacitor.  The tuning would 
be too fast if I hadn't spread the band electronically.  And a big knob 
helps.  But I almost put an imported vernier reduction drive on it - 
but decided I would try direct first since it was easier to implement, 
and then upgrade if needed.  The electronic bandspreading made that 
unnecessary.

Steve WD8DAS

sbjohnston at aol.com
http://www.wd8das.net/
---------------------------------------------------
Radio is your best entertainment value.
---------------------------------------------------


-----Original Message-----
From: Jay Bromley <jayw5jay at gmail.com>
To: Discussion of AM Radio in the Amateur Service 
<amradio at mailman.qth.net>
Sent: Mon, 27 Oct 2008 11:06 pm
Subject: Re: [AMRadio] Re: 160m AM receiver project









Nice job Steve!


I am wondering if that Johnson Match box knob is direct drive with the
capacitor?  Is it hard to tune or since the band so small maybe it is 
very
easy to tune stations in without jumping over them?


Many thanks for putting that up on the web.  I always enjoy guys doing 
that!


Many thanks and 73 de w5jay/jay..




>

> I noticed that the schematic diagram I'd posted wasn't the latest 
version
> with all the mods, so I updated it this evening. It is at the bottom 
of
> the page...

>

> http://www.wd8das.net/160mRX/160mRX.html

>

> Steve WD8DAS

>

> sbjohnston at aol.com

> http://www.wd8das.net/

> ---------------------------------------------------

> Radio is your best entertainment value.

> ---------------------------------------------------

>

>

>

>

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