3T4: Difference between revisions

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The Tektronix Type 3T4 is a [[sampling oscilloscope|sampling]] sweep plug-in
The '''Tektronix Type 3T4''' is a [[sampling oscilloscope|sampling]] sweep plug-in
for [[560-series scopes]] that is  
for [[560-series scopes]] that is  
remotely programmable, allowing computer-controlled measurements
remotely programmable, allowing computer-controlled measurements
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Image:Smpte apr1965 3t4.png|In April 1965 SMPTE Journal
Image:Smpte apr1965 3t4.png|In April 1965 SMPTE Journal
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[[Category:560 series plugins]]

Revision as of 11:44, 30 September 2014

The Tektronix Type 3T4 is a sampling sweep plug-in for 560-series scopes that is remotely programmable, allowing computer-controlled measurements of high-speed repetitive waveforms. It interfaces with a 6R1A plug-in in a Type 567 scope. It was introduced in 1965.

The equivalent-time sweep rate ranges from 1ns/div to 200us/div. There is a 10x calibrated horizontal magnification mode that can be selected, providing 100ps/div horizontal scale. The maximum trigger frequency is 1GHz. The sweep can be controlled by the staircase ramp generator in the 3T4, manually by a front-panel knob, or remotely by a control voltage sent to the 3T4.

The remotely programmable functions are

  • Equivalent-time sweep rate
  • Delay time
  • Samples per sweep
  • Normal or single-display mode
  • Single-display start