Hello,
Anyone has schematics or any service information for the Wiltron 37xxx series of VNAs? I have a Wiltron 37247A network analyzer with a dead LO. My first guess is the YIG driver, most likely a supply voltage. Problem is that the power supply seems OK.
Any documents or information apart from what I already found on Anritsu's website would be of great help! I have searched ko4bb.com, elektrontanya.com and contacted Artek manuals, but to no avail.
Many thanks in advance!
Regards,
Staffan
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