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Difference between revisions of "S-1"

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S-52_s-1_rt_brighter.jpg | S-1 in a [[3S2]] sampler / [[567]] scope
S-52_s-1_rt_brighter.jpg | S-1 in a [[3S2]] sampler / [[567]] scope
Tek s1 sampler schematic.png|Tektronix S-1 sampler
Tek s1 sampler schematic.png|Tektronix S-1 sampler
Tek 7s11 s-1.jpg|[[7S11]] with S-1

Latest revision as of 14:27, 25 November 2018

Tektronix S-1
Sampling Head
S-1 head

Compatible with 3S2, 3S5, 3S6, 7S11, 7S12 Sampling Plugins

Produced from 1967 to 1989

Manuals – Specifications – Links – Pictures

The S-1 sampling plug-in head provides a single GR-874 50 Ω input with a 350 ps rise-time.

The S-1 can be used with the 7000 series of sampling plug-ins, as well as the 3S series of sampling units.


Rise time 350 ps
Bandwidth 1 GHz
Input amplitude −1 V to +1 V with ≤1 Vp-p signals
Maximum input ±5 VDC or sine of 10 Vp-p up to 10 MHz
Input impedance 50 Ω (GR-874)
Noise < 2 mV
Features trigger pickoff for internal triggering



The S-1 uses a two-diode sampling gate which has relatively high "kick-out" (leakage of the strobe signal out of the input).

The manual cautions,

Operating the sampling head without the input connector terminated by a 50 Ω resistor or coaxial cable will cause a vertical shift of the zero signal baseline by a few millivolts. This is caused by the strobe kickout signal being reflected from the open input connector, and orriving bock at the sampling bridge while the bridge is conducting.

The sampling bridge strobe signal is generated by an avalanche transistor followed by a step recovery diode.