R293: Difference between revisions
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{{Instrument Sidebar | |||
|manufacturer=Tektronix | |||
|model=R293 | |||
|class=Pulse generator | |||
|series= | |||
|summary=Programmable pulse generator | |||
|image=Tek-r293.jpg | |||
|caption=Tek R293 | |||
|introduced=1965 | |||
|discontinued=(?) | |||
|designers=Murlan Kaufman | |||
|manuals= | |||
* [https://w140.com/tek_r293.pdf Tektronix R293 Manual (PDF)] | |||
* [https://w140.com/tek_r293_description.pdf Description of R293 from Tektronix Automated Testing Systems book (PDF)] | |||
* [https://w140.com/tek_r293_1968_catalog.pdf Tektronix R293 in 1968 Catalog (PDF)] | |||
}} | |||
The '''Tektronix R293''' is a pulse generator [[introduced in 1965]] | The '''Tektronix R293''' is a pulse generator [[introduced in 1965]] | ||
for use with automated measurement systems such as the [[240]] and [[R250]]. | for use with automated measurement systems such as the [[240]] and [[R250]]. | ||
The task of designing the R293 was inherited and completed by [[Murlan Kaufman]]. | The task of designing the R293 was inherited and completed by [[Murlan Kaufman]]. | ||
The R293 contains an analog programmable power supply | The R293 contains an analog programmable power supply and an analog programmable pulse generator. | ||
and an analog programmable pulse generator. | The pulse is produced by an avalanche transistor fed through a pulse shaper made of diode clamps and [[snap-off diode|snap-off diodes]]. | ||
The pulse is produced by an avalanche transistor | |||
fed through a pulse shaper made of diode clamps | |||
and [[snap-off diode|snap-off diodes]]. | |||
The output pulse amplitude is variable from 6 V to 12 V. | The output pulse amplitude is variable from 6 V to 12 V. | ||
Overshoot of the output pulse is less that 3%, rise and fall time are 1 ns or less. | Overshoot of the output pulse is less that 3%, rise and fall time are 1 ns or less. | ||
The service procedure in the manual specifies the use of a [[661]] | The service procedure in the manual specifies the use of a [[661]] for adjustment of the pulse shaper. | ||
for adjustment of the pulse shaper. | |||
Some instances of the R293 have an RF connector on the front panel | Some instances of the R293 have an RF connector on the front panel while others have all of their connector on the rear panel. | ||
while others have all of their connector on the rear panel. | MOD 703M puts all input and output connectors of the R293 on the rear panel, for use in automated testing systems. | ||
MOD 703M puts all input and output connectors of the R293 on the rear panel, | |||
for use in automated testing systems. | |||
An R293 is normally programmed from an [[R250]]. | An R293 is normally programmed from an [[R250]]. | ||
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The power supply output connector mates with a Bendix PC06A-8-4P-SR connector. | The power supply output connector mates with a Bendix PC06A-8-4P-SR connector. | ||
* [[Media:12-070-180554-1158107.pdf|Amphenol Miniature Cylindrical Connectors (PDF)]] | * [[Media:12-070-180554-1158107.pdf|Amphenol Miniature Cylindrical Connectors (PDF)]] | ||
==Pictures== | ==Pictures== | ||