Greetings,
?There appears to be a continuous wave of decommissioned Agilent E4406A "VSA Series Transmitter Tester" boxes hitting eBay.?
?They have a lot of bang-per-buck but have some limitations when being used as general purpose spectrum analyzers.
? A MATLAB application was created to address a few of them:
?Some of you folks might find this useful as well.
Best regards,
Dick (w1qg)
Dick Benson