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* [[Media:070-361.pdf|Tektronix 291 Manual]] ( | * [[Media:070-361.pdf|Tektronix 291 Manual]] (OCR) | ||
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The '''Tektronix 291''' is a Diode Switching Time Tester Power Supply [[introduced in 1963]]. | The '''Tektronix 291''' is a Diode Switching Time Tester Power Supply [[introduced in 1963]]. | ||
Latest revision as of 17:31, 7 December 2023
The Tektronix 291 is a Diode Switching Time Tester Power Supply 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). The TF-1 was later superseded by an adapter 017-0075-00 to be used with the diode test jig 013-0080-00 (see 017-0075-00 for a picture).
Pictures
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291 with TF-1 Adapter
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TF-1 Front
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TF-1 Rear
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TF-1 Inside
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291 Front
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291 Schematic
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Adapter 017-0075-00 and Test Jig 013-0080-00
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Adapter 017-0075-00 and Test Jig 013-0080-00
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Adapter 017-0075-00 and Test Jig 013-0080-00
