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565: Difference between revisions
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The Tektronix Type 565 is a dual-beam scope | The Tektronix Type 565 is a dual-beam scope that takes two 2-series or 3-series vertical plug-ins. | ||
Two trigger and sweep modules are contained in the mainframe. The 565 is similar to the [[556]], but with much | |||
less bandwidth and without tunnel diode triggering. A rackmount version, the RM565, was also produced. | |||
The triggering signal passes through a 6DJ8-based differential amplifier and then is discriminated by a | The triggering signal passes through a 6DJ8-based differential amplifier and then is discriminated by a | ||
6DJ8-based Schmitt trigger. As is usual for 560-series scopes, the vertical deflection plates of the CRT | [[6DJ8]]-based Schmitt trigger. As is usual for 560-series scopes, the vertical deflection plates of the CRT | ||
are driven directly by the vertical plug-in. Aside from being dual-beam, the 565 is unusual among the | are driven directly by the vertical plug-in. Aside from being dual-beam, the 565 is unusual among the | ||
other 560-series models in the fact that it has built-in trigger, sweep and horizontal amplifier circuits. | other 560-series models in the fact that it has built-in trigger, sweep and horizontal amplifier circuits. | ||