[ARC5] Amazon Sig Gen as Crystal Subber

[Kenneth G. Gordon]

On 12 Apr 2020 at 12:20, David Stinson wrote:

> 
> 
> Re: Using the DDS generator to sub for crystals in the "ARC-5" VHF receiver.
> Did a more complete look at this issue with the service monitor and scope. 
> At least with the ARC-5 VHF receiver, a CMOS square-wave output, swinging from 0 to 5V, 
> coupled through a DC-blocking .02 uFd cap, drives the stage just fine.  Sine wave output will not 
> work.
> Drive voltage above 4 to 5 V peak does not improve performance.
> Dave S.

So, David, which one of those available on Amazon are you using? The Koolertron 60 MHz 
job, or another one? It is kinda hard to tell from your photo.

Ken W7EKB