I recently acquired a few of these quartz oscillators. There was debate about what oscillator was being used in them. I posted to timenuts but thought I'd also post here since I also had no idea what the LO was in these later model units. I can confirm they contain the 1000B LO. I've powered them all up in MNL time constant setting to see where they settle at. I'm hoping at least one will end up being a good one. From what I can tell they all have the 015 option for phase locking to another external frequency reference. What's really better making the frequency of the oscillator be what it wants to be naturally or pulling or pushing it where you want it to be? For now since I can't verify any of the settings of the control voltage I'm going to let them run for a while until they settle in. The manual gives some calculations you can do to set the control voltage wheels to reach the frequency you're looking for ie. 10MHz, 5MHz, 1MHz. The actual output directly from the 1000B is the 5MHz output. The 10 and 1 are derived from the 5. Anyhow experimenting is fun and these are some pretty neat pieces of gear. I have one of Corby's DMTD I'm working on and hoping and can add that to measurement mix to get some data soon. The warm up initial AD looks like it's heading in the right direction as they warm up so far. I think I may need a full sized rack in my lab. I'm not sure what I'm going to do with the gear that doesn't have rack ears right now? Shelves maybe??? I've been debating the best way forward in this respect.
Best Regards,
Bill
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