R293: Difference between revisions
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==Pictures== | ==Pictures== | ||
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Tek-r293.jpg | |||
Tek_r293_frontconn.jpg | |||
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Tek r293 top2.jpg | |||
Tek r293 top3.jpg | |||
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Tek r293 top5.jpg | |||
Tek_r293_block.png|Block Diagram | |||
Tek r293 pulse gen.png|Pulse Generator | |||
Tek r293 pulse shaper.png|Pulse Shaper | |||
Tek r293 prog power supply.png|Programmable Power Supply | |||
Tek r293 pulse gen power supply.png|Pulse Generator Power Supply | |||
</gallery> | </gallery> | ||
[[Category:Introduced in 1968]] | [[Category:Introduced in 1968]] | ||
[[Category:Pulse generators]] | [[Category:Pulse generators]] | ||
Revision as of 14:36, 1 October 2018
The Tektronix R293 is a pulse generator introduced in 1968 for use with automated measurement systems such as the 240 and R250.
The R293 contains an analog programmable power supply 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 diodes.
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.
The service procedure in the manual specifies the use of a 661 for adjustment of the pulse shaper.
Some instances of the R293 have an RF connector on the front 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.
An R293 is normally programmed from an R250.
Manuals
- Tektronix R293 Manual (PDF)
- Description of R293 from Tektronix Automated Testing Systems book (PDF)
- Tektronix R293 in 1968 Catalog (PDF)
Pictures
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Block Diagram
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Pulse Generator
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Pulse Shaper
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Programmable Power Supply
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Pulse Generator Power Supply
