[time-nuts] Tektronix Sample Heads

Alexander Pummer alexpcs at ieee.org
Fri Apr 24 18:07:13 EDT 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.

  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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