S-1: Difference between revisions

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The S-1 [[sampling_oscilloscope|sampling]] plug-in head provides a single [[GR-874]] 50 Ω input with a 350 ps rise-time.  
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.
The S-1 can be used with the 7000 series of [[sampling_oscilloscope|sampling]] plug-ins, as well as the 3S series of sampling units.
 
A trigger pickoff is provided for internal triggering, and displayed noise is specified as less than 2 mV.
The S-1 accepts an input voltage range of -1V to +1V with less than 1 V<sub>p-p</sub> input signal amplitude.


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Rise time | 350 ps }}
{{Spec | Rise time | 350 ps }}
{{Spec | Bandwidth | 1 GHz }}
{{Spec | Bandwidth | 1 GHz }}
{{Spec | Input amplitude | -1 V to +1 V  with ≤1 V<sub>p-p</sub> signals }}
{{Spec | Maximum input  | ±5 V<sub>DC</sub> or sine of 10 V<sub>p-p</sub> up to 10 MHz }}
{{Spec | Input impedance | 50 Ω  ([[GR-874]]) }}
{{Spec | Input impedance | 50 Ω  ([[GR-874]]) }}
{{Spec | Noise  | < 2 mV }}
{{Spec | Noise  | < 2 mV }}
{{Spec | Features | trigger pickoff for internal triggering }}
{{EndSpecs}}
{{EndSpecs}}


==Links==
==Links==
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/S-1.html S-1 page @ amplifier.cd]
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/S-1.html S-1 page @ amplifier.cd]
==Internals==
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,
<blockquote>
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.
</blockquote>


==Pictures==
==Pictures==

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