067-0502-01: Difference between revisions
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The Tektronix 067-0502-01 is a instrument that can be used to produce a reference rectangle | |||
voltage or current waveform and/or to compare an external unknown input with an internal or | |||
external reference. The comparison if performed using an [[Airpax A175]] chopper with switch | |||
the output between the two voltages that are being compared. The resulting output can be | |||
amplified and viewed on an oscilloscope. It is a well known and trusted technique, | |||
the use of a chopper to make precise DC measurements using instruments that are sensitive | |||
to AC, but not capable of drift-free DC performance. | |||
* [http://w140.com/tek-067-0502-01.pdf Tektronix 067-0502-01 Manual (PDF)] | * [http://w140.com/tek-067-0502-01.pdf Tektronix 067-0502-01 Manual (PDF)] | ||
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Image:067-0502-01 schem.png | |||
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Revision as of 13:23, 9 October 2011
The Tektronix 067-0502-01 is a instrument that can be used to produce a reference rectangle voltage or current waveform and/or to compare an external unknown input with an internal or external reference. The comparison if performed using an Airpax A175 chopper with switch the output between the two voltages that are being compared. The resulting output can be amplified and viewed on an oscilloscope. It is a well known and trusted technique, the use of a chopper to make precise DC measurements using instruments that are sensitive to AC, but not capable of drift-free DC performance.