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S-50: Difference between revisions
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digital counter and a decoder to generate the internal control signals. | digital counter and a decoder to generate the internal control signals. | ||
{| border="1" style="text-align: center;" | |||
|+ Comparison of S-50 with S-52 | |||
! scope="col" | | |||
! scope="col" | S-50 | |||
! scope="col" | S-52 | |||
|- | |||
! scope="col" | Risetime | |||
| under 25ps | |||
| under 25ps | |||
|- | |||
! scope="col" | Amplitide | |||
| 400mV into 50 ohms | |||
| 200mV into 50 ohms | |||
|- | |||
! scope="row" | Output impedance | |||
| varies, not specified || 50 ohms | |||
|- | |||
! scope="row" | Sequencing of internal events | |||
| analog timing circuit | |||
| digital state-machine | |||
|- | |||
! scope="row" | Pretrigger lead time | |||
| 75ns | |||
| 85ns | |||
|- | |||
! scope="row" | Trigger (with pulse) output | |||
| yes, 200mV into 50 ohms | |||
| no | |||
|} | |||
* [http://w140.com/tek_s-series_sampling_heads.pdf Tektronix S-Series Sampling Heads (PDF)] | * [http://w140.com/tek_s-series_sampling_heads.pdf Tektronix S-Series Sampling Heads (PDF)] | ||