067-0681-01: Difference between revisions
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|designers=John Addis | |designers=John Addis | ||
|manuals= | |manuals= | ||
* [[Media:062-1571-02.pdf|Tektronix 067-0681-01 Datasheet]] | |||
* [[Media:Tek 067-0681 01 mod m40227.pdf|Modification #40227 for 067-0681-01]] | |||
* [[Media:062-1571-01.pdf|December 1974 Revision Datasheet]] | |||
* [[Media:062-1571-02.pdf|June 1981 Revision of Datasheet]] | |||
}} | }} | ||
The '''Tektronix 067-0681-01''' is a pulse generator for adjusting the transient response of high frequency oscilloscopes such as the [[475]], [[485]], [[7A11]], [[7A24]], [[7A19]]/[[7904]], and [[7A29]]/[[7104]]. | The '''Tektronix 067-0681-01''' is a pulse generator for adjusting the transient response of high frequency oscilloscopes such as the [[475]], [[485]], [[7A11]], [[7A24]], [[7A19]]/[[7904]], and [[7A29]]/[[7104]]. | ||
It was designed by [[John Addis]]. | It was designed by [[John Addis]]. | ||
{{MissingSpecs}} | |||
It takes in a 60 to 100 V<sub>pp</sub> rectangular waveform (e.g. from the calibrator output of an oscilloscope) and produces a 250 mV<sub>pp</sub> rectangular waveform with rise time less than or equal to 125 picoseconds. | It takes in a 60 to 100 V<sub>pp</sub> rectangular waveform (e.g. from the calibrator output of an oscilloscope) and produces a 250 mV<sub>pp</sub> rectangular waveform with rise time less than or equal to 125 picoseconds. | ||
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A regular BNC cable is typically used for connecting the input that drives the 067-0681-01. The risetime of the input to to the 067-0681-01 is not important. | A regular BNC cable is typically used for connecting the input that drives the 067-0681-01. The risetime of the input to to the 067-0681-01 is not important. | ||
== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/Tunnel_Diode-Pulser/Tunnel_Diode_Pulser.html 067-0681-01 @ amplifier.cd] | |||
==Internals== | |||
The circuit starts with a DC restorer. The output of the DC restorer turns a current source on and off. | The circuit starts with a DC restorer. The output of the DC restorer turns a current source on and off. | ||
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For any scope with less than about 1.5 GHz BW, the ring would likely be invisible. | For any scope with less than about 1.5 GHz BW, the ring would likely be invisible. | ||
== | ==Pictures== | ||
<gallery> | <gallery> | ||
067-0681-01 1.jpg | 067-0681-01 1.jpg | ||