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3A1: Difference between revisions
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{{Plugin Sidebar| | {{Plugin Sidebar | ||
manufacturer=Tektronix |series=560-series scopes |type=3A1 | | |manufacturer=Tektronix | ||
summary=Dual trace amplifier plugin | | |series=560-series scopes | ||
image=3a1 front2.jpg | | |type=3A1 | ||
caption=Type 3A1 front view | |summary=Dual trace amplifier plugin | ||
|image=3a1 front2.jpg | |||
introduced=1962 | | |caption=Type 3A1 front view | ||
discontinued=1968 | | |introduced=1962 | ||
manuals= | |discontinued=1968 | ||
* [[Media:070-343.pdf|Tektronix 3A1 Manual 070-343]] | |manuals= | ||
* [[Media:070-0343-01.pdf|Tektronix 3A1 Manual 070-0343-01]] | * [[Media:070-343.pdf|Tektronix 3A1 Manual 070-343]] | ||
* [ | * [[Media:070-0343-01.pdf|Tektronix 3A1 Manual 070-0343-01]] | ||
* [https://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual] (DjVu @ BAMA) | |||
* [[Media:Tek 3a1 fcp nov 1963.pdf|Tektronix 3A1 Factory Calibration Procedure, November 1963]] | * [[Media:Tek 3a1 fcp nov 1963.pdf|Tektronix 3A1 Factory Calibration Procedure, November 1963]] | ||
}} | }} | ||
The '''Tektronix Type 3A1''' is a 10 MHz dual-trace amplifier plug-in for [[560-series scopes]], | The '''Tektronix Type 3A1''' is a 10 MHz dual-trace amplifier plug-in for [[560-series scopes]], [[introduced in 1962]]. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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==Internals== | ==Internals== | ||
The input signal passes through compensated attenuators and then into a | The input signal passes through compensated attenuators and then into a cathode-follower stage made of two [[7586]] Nuvistor tubes. | ||
cathode-follower stage made of two [[7586]] Nuvistor tubes. | |||
Channel switching in ALTERNATE mode is done using diodes. | Channel switching in ALTERNATE mode is done using diodes. | ||
The output stage that drives the vertical deflection plates of the scope uses | The output stage that drives the vertical deflection plates of the scope uses a pair of [[8233]] frame grid power pentode tubes. | ||
a pair of [[8233]] frame grid power pentode tubes. | |||
==Pictures== | ==Pictures== | ||
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3a1 input amp and switching.png|input amplifier schematic | 3a1 input amp and switching.png|input amplifier schematic | ||
</gallery> | </gallery> | ||
{{Parts|3A1}} | |||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||