4S2: Difference between revisions

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173 bytes added ,  5 June 2013
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connector and the sampler.  This has the advantage of maintaining higher pulse fidelity and thus higher bandwidth.   
connector and the sampler.  This has the advantage of maintaining higher pulse fidelity and thus higher bandwidth.   
It has the disadvantage of making it impossible to see the leading
It has the disadvantage of making it impossible to see the leading
edge of the triggering event unless a pre-trigger is used.  Each channel has a two-diode samplerThere is also an
edge of the triggering event unless a pre-trigger is used.   
improved model, the 4S2A.
 
The 4S2 uses a four-diode sampling bridge.  The 4S2A uses a two-diode sampling bridge.   
This design change is discussed in the 4S2A Engineering Spec document linked below.


* [http://w140.com/tek_4s2a.pdf Tektronix 4S2A Manual (PDF)]
* [http://w140.com/tek_4s2a.pdf Tektronix 4S2A Manual (PDF)]
* [http://w140.com/tek_fcp/tek_type_4s2_factory_cal_proc.pdf Tektronix 4S2 Field Recalibration Procedure (PDF)]
* [http://w140.com/tek_fcp/tek_type_4s2_factory_cal_proc.pdf Tektronix 4S2 Field Recalibration Procedure (PDF)]
* [http://w140.com/tek_fcp/tek_type_4s2_tentative_factory_cal_proc.pdf Tektronix 4S2 Factory Calibration Procedure (PDF)]
* [http://w140.com/tek_fcp/tek_type_4s2_tentative_factory_cal_proc.pdf Tektronix 4S2 Factory Calibration Procedure (PDF)]
* [http://w140.com/tek_4s2a_eng_spec.pdf Tektronix 4S2A Engineering Spec (PDF)]


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