However, although recognising the truth in the statement, I never gave it much thought, since for the last 10 years, I have been using a DG8SAQ VNWA for aligning these filters, and others.
REVIEWS OF RIGOL DSA815 TG GENERATOR
Over the years, I have heard people refer to the combination of spectrum analyser and tracking generator as the way to go when tackling the 40MHz filter. But I do have a Racal SA97 wobbulator, which is actually more interesting than useable. The Rigol DSA815-TG (TG refers to the built-in Tracking Generator) was mentioned as a suitable modern alternative to the gargantuan Samwell & Hutton CT501, which I will add, I don't have. We had been discussing the test equipment that we each used for aligning the filters, in particular, the infamous 40MHz Band-Pass filter. This came about as a result of an email exchange with a fellow RA17 enthusiast. Given that my Systron-Donner didn’t cost me anything back in the early 80s, and the fact that I have recently resolved a frequency accuracy issue, what was my reasoning behind the new investment? The thing is, I already have a more than adequate, albeit old, Systron-Donner 809-1, which covers 10MHz right up to 12.4GHz in 5 switchable ranges. I recently invested in a new spectrum analyser, a Rigol DSA815-TG, to be precise.
REVIEWS OF RIGOL DSA815 TG UPGRADE
Systron Donner Spectrum Analyzer Type 809-1.A Microphone Pre-Amplifier for the T1154.Refurbishing a 1940's Air Ministry Headset.
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