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* [http://bama.edebris.com/download/tek/565/565.djvu Tektronix 565 Manual (DjVu)] | * [http://bama.edebris.com/download/tek/565/565.djvu Tektronix 565 Manual (DjVu)] | ||
* [http://w140.com/tek_565.pdf Tektronix 565 Manual (PDF)] | * [http://w140.com/tek_565.pdf Tektronix 565 Manual (PDF)] | ||
* [[Media:070-269.pdf|Tektronix 565 Preliminary Manual]] | |||
* [[Media:Tek 565 irb.pdf|Tektronix 565 Instrument Reference Book (PDF, OCR)]] | * [[Media:Tek 565 irb.pdf|Tektronix 565 Instrument Reference Book (PDF, OCR)]] | ||
* [[Media:Tek 565 fcp no ocr.pdf|Tektronix 564 Factory Calibration Procedure (PDF, needs OCR)]] | |||
}} | }} | ||
The '''Tektronix Type 565''' is a [[dual-beam scopes|dual-beam scope]] that takes two [[560-series plug-ins|560-series vertical plug-ins]]. | The '''Tektronix Type 565''' is a [[dual-beam scopes|dual-beam scope]] that takes two [[560-series plug-ins|560-series vertical plug-ins]]. | ||
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The 565 uses the [[T5650]] CRT. | The 565 uses the [[T5650]] CRT. | ||
There is no post-deflection acceleration. | There is no post-deflection acceleration. | ||
The CRT cathode is at | The CRT cathode is at −3.9 kV, which is produced by a transformer driving a single [[1X2]] rectifier tube. | ||
===Vertical Signal Path=== | ===Vertical Signal Path=== | ||
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The left plug-in bay is for the lower beam and the right plug-in bay is for the upper beam. | The left plug-in bay is for the lower beam and the right plug-in bay is for the upper beam. | ||
A 0. | A 0.7−3 pF trimmer capacitor is connected immediately behind each of the plug-in connectors, and allows | ||
for the mainframe to be calibrated so that plug-ins can be interchanged without requiring the | for the mainframe to be calibrated so that plug-ins can be interchanged without requiring the | ||
high-frequency compensation of the system to be readjusted. | high-frequency compensation of the system to be readjusted. | ||
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The triggering signal comes from pin 11 on the plug-ins, is amplified by a [[12AT7]]-based cathode follower, | The triggering signal comes from pin 11 on the plug-ins, is amplified by a [[12AT7]]-based cathode follower, | ||
and sent to "TRIGGER" switches. From there, the trigger signal is sent through a [[6DJ8]]-based differential amplifier | and sent to "TRIGGER" switches. From there, the trigger signal is sent through a [[6DJ8]]-based differential amplifier, and then is discriminated by a [[6DJ8]]-based Schmitt trigger. | ||
and then is discriminated by a [[6DJ8]]-based Schmitt trigger. | |||
The 565 is also unusual in that it employs a [[tunnel diodes|tunnel diode]] | The 565 is also unusual in that it employs a [[tunnel diodes|tunnel diode]] | ||