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565: Difference between revisions
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==Specifications== | ==Specifications== | ||
The vertical characteristics are mostly determined by the vertical plug-ins. | |||
The fastest sweep is 1us/div (100ns/div with 10x horizontal magnification enabled). The sweep delay can be adjusted over a range from 10 microseconds to 50 seconds. | |||
Power consumption, including plug-ins, is about 600 watts, maximum. | |||
The internal calibrator produces a 1 kHz square wave with amplitude selectable in decade steps from 1 mV to 100 V. | |||
==Circuits== | ==Circuits== | ||
The 565 uses the [[T5650]] CRT. | The 565 uses the [[T5650]] CRT. | ||
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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]] in the trace intensification circuit. The tunnel diode forms as a bistable multivibrator: kick it one way and it turns on and stays on, kick it the other way and | The 565 is also unusual in that it employs a [[tunnel diodes|tunnel diode]] in the trace intensification circuit. The tunnel diode forms as a bistable multivibrator: kick it one way and it turns on and stays on, kick it the other way and | ||
it turns off and stays off. | it turns off and stays off. | ||
=== Calibrator === | === Calibrator === | ||
The | |||
The calibrator is an astable multivibrator formed by one half of a [[12AT7]] and a [[6AU6]]. | |||
The other half of the 12AT7 serves as the output cathode follower for the calibrator. | The other half of the 12AT7 serves as the output cathode follower for the calibrator. | ||
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[[Category:Dual beam scopes]] | [[Category:Dual beam scopes]] | ||
[[Category:Introduced in 1963]] | [[Category:Introduced in 1963]] | ||