[HomeBrew] 2 & 6 meter recever Kit

[Loren Moline WA7SKT]

Jim,

Looks like limiting is done after the 455Khz IF Filter so the filters output 
could be buffered and sent to an AM detector and audio amp.

Loren



If I do not dream then it can't come true!
Loren Moline WA7SKT  CN86cx
Member: ARRL, Pacific Northwest VHF Society #151





>From: jkearman at att.net (Jim Kearman)
>To: homebrew at mailman.qth.net
>Subject: Re: [HomeBrew] 2 & 6 meter recever Kit
>Date: Tue, 04 Jul 2006 05:01:47 +0000
>
>** Please do NOT cross-post messages when posting to HOMEBREW **
>
>
>From: Barry Sherwood <barry_sherwood at yahoo.com>
>
> > I am looking for a 6 meter AM receiver and have come
> > across an Elenco AR-2n6k which uses a motorola mc3362
> > dual conversion fm device.
>
>The limiting i-f amplifier stages are probably running in Class C, meaning 
>they will distort an am signal. Fm receivers use limiting amplifiers to 
>saturate the detector. As only frequency variations matter, amplitude 
>distortion isn't a problem. The manual section "Block 2" explains the 
>process. As all this stuff is being done on a chip it isn't feasible to 
>modify it for am reception.
>
>73,
>
>Jim, KR1S
>http://kr1s.kearman.com/
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