Re: [TenTec] 1254 Q-Multiplier... Yes. Add a signal strenght metertoo and replace those 1N4148s in the 2nd Mixer!

[jerome schatten <romers@shaw.ca>]

Lew wrote:
> Great q multiplier circuit on the HBR site.  In fact, the HBR site is
> absolutely facinating.  http://www.qsl.net/k5bcq/HBR/hbr.htm
>  
> -------Original Message-------
>  
> From: Bwana Bob
> Date: 12/28/05 20:01:35
> To: Discussion of Ten-Tec Equipment
> Cc: kg6tt@arrl.net
> Subject: Re: [TenTec] 1254 Q-Multiplier... Yes. Add a signal strenght
> metertoo and replace those 1N4148s in the 2nd Mixer!
>  
> That's exactly what I was doing today: looking at the QF-1 schematic to
> see if it could be done with FET's. That Q-multiplier from the 1958
> Handbook sounds like the same one that I built from the 1964 Handbook. I
> don't have the schematic anymore, but I still have the parts in the junk
> box.  Anybody have a 1958 or 1964 Handbook?
>  
>  
>      73,
>  
>      Bob WB2VUF
>  
Bob... I have the '64 handbook; pp.140-141 (A Transistorized Q 
Multiplier). If there is interest I will make the article available.
Best,
jerome - va7vv