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The '''Tektronix 291 Diode Switching Time Tester Power Supply''' was [[introduced in 1963]]. | {{Instrument Sidebar | ||
The 291 uses the TF-1 test fixture. | |manufacturer=Tektronix | ||
|model=291 | |||
|class=Test fixture | |||
|series= | |||
|summary=Diode Switching Time Tester | |||
|image=Tek 291 3.jpg | |||
|caption=Tek 291 front | |||
|introduced=1962 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:070-361.pdf|Tektronix 291 Manual]] (PDF) | |||
* [http://bama.edebris.com/download/tek/291/Tek%20291.pdf Tektronix 291 Manual @ BAMA] (PDF) | |||
}} | |||
The '''Tektronix 291 Diode Switching Time Tester Power Supply''' was [[introduced in 1963]]. The 291 uses the [[TF-1|TF-1 test fixture]]. | |||
TF-1 fixtures have been known to have issues with bad connections with the diode. | TF-1 fixtures have been known to have issues with bad connections with the diode. | ||
In at least one case, a TF-1 has been made to work reliably by replacing the weak | In at least one case, a TF-1 has been made to work reliably by replacing the weak AlNiCo magnet that holds the axial leaded (magnetic) diode in place, by replacing it with a much stronger FeNdB magnet the same size (easily available on Ebay). | ||
AlNiCo magnet that holds the axial leaded (magnetic) diode in place, by | |||
replacing it with a much stronger FeNdB magnet the same size | |||
(easily available on Ebay). | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek 291 system.jpg | |||
Tektronix 291 tf1.jpg | |||
Tek 291 tf1 rear.jpg | |||
Tek 291 tf1 inside.jpg | |||
Tek_291_3.jpg | |||
Tek 291 top.jpg | |||
Tek 291 bottom.jpg | |||
Tek 291 inside.jpg | |||
Tek 291 powersupply.jpg | |||
Tek 291 airline.jpg | |||
Tek 291 schem.png | |||
Tek 291 altfix 1.jpg | |||
Tek 291 altfix 2.jpg | |||
Tek 291 altfix 3.jpg | |||
</gallery> | </gallery> | ||
[[Category:Introduced in 1963]] | [[Category:Introduced in 1963]] | ||
[[Category:Accessory power supplies]] | [[Category:Accessory power supplies]] | ||
[[Category:Diode testers]] |
Revision as of 11:32, 20 August 2021
The Tektronix 291 Diode Switching Time Tester Power Supply was introduced in 1963. The 291 uses the TF-1 test fixture.
TF-1 fixtures have been known to have issues with bad connections with the diode. In at least one case, a TF-1 has been made to work reliably by replacing the weak AlNiCo magnet that holds the axial leaded (magnetic) diode in place, by replacing it with a much stronger FeNdB magnet the same size (easily available on Ebay).