Tektronix 1S2 Sampling Unit (1969)

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Tek Catalog CostLow BidHigh Bidaverage
$1400 (1969)
$1525 (1974)
...
$78.00 7/17/04 #3827459360 sams995 (10 bids $10 start) (untested)
$86.00 6/28/05 #7527222032 sams995 (4 bids $9.95 start) (untested-clean, all tubes intact)
$50.00 (+~$18 ship) 6/25/07 #320129697479 cfi (2 bids $39.95 start) (plugged in-"not dead")

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    Tektronix 1S2 Sampling Unit / Time Domain Reflectometer Plug-In. The 1S2 Sampling plug-in converts any Tektronix 530, 540, or 550-series oscilloscope to a time-domain reflectometry measurement system. As a TDR, the Type 1S2 has a system risetime of 140ps and is calibrated in the rho from .005 p/div to .5 p/div. The horizontal is calibrated from 1cm/div to 100m/div for dielectrics of air, tfe, and polyethylene. There are two pulse outputs. When used as a sampler, the bandwidth is equivalent to DC - 3.9GHz. It will work with some other series with the proper adapters.