and be very careful, it does not tolerate more than ±2 volts input! it
was originally designed for the CSA 803A and requires a relative
complicated control system, it has a 15 to 18 picoseconds rise time, 50
ohms input, and at least 30dB return loss at 18GHz. If both inputs are
used they are differential.
73
KJ6UHN Alex
On 4/24/2015 12:51 PM, ed breya wrote:
Yes, I think those were from the era when service info became sparse -
treated as modules or black boxes - unlike the products from the good
old days, which had much more info available. I believe the SD26 is
to fit in the Tek 11801B or other 11000 series sampling scope setups.
A quick look in the Tek catalogs circa late 1980s to the 1990s should
help to ID various models. Check the usual manual sites such as bama
or ko4bb, or maybe even Tek has some info available. You may be able
to get some more info if there are manuals available for these scopes
Also, if you plan to use it as an independent sampler, it will not do
much on its own. Remember it's just the sampling head - a modular
front-end that determines the performance, but only within the proper
support environment. The scopes have the circuitry and smarts to
operate the heads to get useful results. It is extremely far from
trivial. The simplest way to use it would be to get one of the scopes.
As David suggested, the tekscopes group should be the best resource.
Ed
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