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Systron Donner "R1327" Monitor/Sig Gen repair

This instrument was commonly badged as a Motorola test set also. They have now been long out of service and many may be faulty. In fact I was given this one for that very reason.

Mine does not have the Scope plug-in.


The particular example I have here does not lock the Generator side on some frequency ranges which also affects the transmitter monitor functions. There is no output signal either.

I only need the instrument for producing a signal for receiver and other similar projects.


The first problem is finding any information on these instruments. ie a technical manual.

After a lot of fruitless searching, eventually a Group member pointed me to a pdf copy which was downloaded. I can't recall the actual web site.

 

to be continued.

vk3pe (see QRZ.com for email)

   
  Last updated on June 9, 2020 Page created 9th June 2020