[time-nuts] Tektronix Sample Heads
Alexander Pummer
alexpcs at ieee.org
Fri Apr 24 22:07:13 UTC 2015
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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