[Boatanchors] Tube reciever design banter

[Carl]

I think we discussed those minimalist circuits a few years ago. The idea is 
to write down your goals and then proceed and use what works. Just remember 
that minimalist circuits usually leave no room for error or tube aging.

Carl
KM1H


----- Original Message ----- 
From: "Ian Wilson" <ianmwilson73 at gmail.com>
To: <boatanchors at mailman.qth.net>
Sent: Monday, December 21, 2009 12:32 PM
Subject: Re: [Boatanchors] Tube reciever design banter


> Some good stuff on using beam deflection tubes as mixers here:
> http://g4oep.atspace.com/retro/retro.htm#The Retro Mk II
>
> <http://g4oep.atspace.com/retro/retro.htm#The Retro Mk II>(I've built some
> prototype receivers along Andy's lines using a rather different
> approach to push-pull LO generation. The LO suppression,
> reasonable conversion
> transconductance, and good linearity of these tubes make them worth 
> another
> look, I think. The 7360 curves don't look as linear - perhaps a 
> consequence
> of
> the lower operation voltages).
>
> 73, ian K3IMW
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