[Milsurplus] [Vintage-Military-RADAR] More on CV-253/ALR

[Mike Hanz]

On 11/30/2013 2:41 PM, J. Forster wrote:
> I'm curious about the guts of the CV-253 multiband tuner PI for the ALR-5.
>
> Specifically:
>
> Does anyone have a schematic?

Attached for John.  Be aware it is *big*...

> Also, the unit has frequency scan provisions. How is this done? A motor
> driven tuning capacitor? A motor driven tuning potentiometer and a VCO?

Block diagram and Theory of Operations attached for John.  If anyone 
else wants them, let me know.

     73,
  - Mike