Re: [Amateur-repairs] Creating a LSB and USB Test Signal!!

On 1/16/2024 08:37, Robert Lonn WA6PHN wrote:
> I have been working on a receiver that has a USB and LSB problem. I am
> using my Icom IC-705 radio as a test source. I want to replace this with
> something that will generate a USB or LSB Test Signal continuously so I
> can inject it into the receiver and then check stages of the radio etc. etc.
> I have most test equipment available but was wondering if anyone has
> done this and what type of test equipment setup they have used..
> Thanks in advance for your help...

Are you looking to buy something, or build something? There are several
LSB/USB generator 14 pic ICs out there that require very few parts.
Here is one I came across this morning:

https://www.jameco.com/z/MC1496P-Major-Brands-IC-MC1496P-Balanced-Modulator-and-Demodulator-14-pin-DIP_23211.html

Kurt


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