S-20: Difference between revisions

S-20 (view source)

Revision as of 18:16, 10 January 2020

24 bytes added , 10 January 2020

no edit summary

Kurt

Bureaucrats, Interface administrators, Suppressors, Administrators

32,046

edits

@@ Line 15: / Line 15: @@
 [[John Rettig]] wrote this general description:
 <blockquote>
-As best I can recall – this was never a product, but a proposal that came out of Tek Labs after the introduction of the 11800 family of sampling products. It was likely just the [[sampling diodes]] and maybe the front end part of the charge amplifier, judging by the head size I see in your image link, and it would have suffered from the modularity of the entire system not having calibrated subcomponents. Remember that the 11800 was not supposed to need the user to tweak the loop gain, although that “feature” did sneak its way in to the “Enhanced Accuracy” menus.
+As best I can recall – this was never a product, but a proposal that came out of Tek Labs after the introduction of the [[11800-series_scopes|11800 family of sampling products]]. It was likely just the [[sampling diodes]] and maybe the front end part of the charge amplifier, judging by the head size I see in your image link, and it would have suffered from the modularity of the entire system not having calibrated subcomponents. Remember that the 11800 was not supposed to need the user to tweak the loop gain, although that “feature” did sneak its way in to the “Enhanced Accuracy” menus.
 We instead productized the [[SD-20]] module in the Lab Scopes HFCD product area, which essentially was our 20 GHz sampler from the [[SD-23]] / [[SD-24]] designs but with the 50 Ohm coax fed back out to the front panel instead of having the built in internal 50 Ohm termination on the channel. And it was fully calibrated, since it didn’t have the modularity of this other proposal.