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3A1: Difference between revisions
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title=Tektronix Type 3A1 | | title=Tektronix Type 3A1 | | ||
summary=Dual trace amplifier plugin | | summary=Dual trace amplifier plugin | | ||
image= | image=3a1 front2.jpg | | ||
caption=Type | caption=Type 3A1 front view | | ||
series=[[560-series scopes]] | | series=[[560-series scopes]] | | ||
introduced=1962 | | introduced=1962 | | ||
discontinued= | discontinued=1968 | | ||
manuals= | manuals= | ||
* [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (PDF)] | * [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (PDF)] | ||
}} | }} | ||
The '''Tektronix Type 3A1''' is a dual-trace amplifier plug-in [[introduced in 1962]] | The '''Tektronix Type 3A1''' is a dual-trace amplifier plug-in [[introduced in 1962]] | ||
for [[560-series scopes]]. | for [[560-series scopes]]. | ||
Deflection factor | ==Specifications== | ||
compensated attenuators and then into a cathode-follower stage made of two [[7586]] Nuvistor tubes. | {{BeginSpecs}} | ||
{{Spec | Bandwidth | 10 MHz }} | |||
{{Spec | Risetime | 35 ns }} | |||
{{Spec | Input impedance | is 1 MΩ // 47 pF }} | |||
{{Spec | Deflection factor | 10 mV/div to 10 V/div }} | |||
{{EndSpecs}} | |||
==Internals== | |||
The input signal passes through compensated attenuators and then into a | |||
cathode-follower stage made of two [[7586]] Nuvistor tubes. | |||
Channel switching in ALTERNATE mode is done using diodes. The output stage that | Channel switching in ALTERNATE mode is done using diodes. The output stage that | ||
drives the vertical deflection plates of the scope uses a pair of [[8233]] | drives the vertical deflection plates of the scope uses a pair of [[8233]] | ||
frame grid power pentode tubes. | frame grid power pentode tubes. | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
File:3a1 front2.jpg |Front view | |||
File:3a1 right2.jpg | Right side | |||
File:3a1 right.jpg | Right side | |||
File:3a1 top.jpg | Top view | |||
File:3a1 bottom.jpg | Bottom view | |||
File:3a1 input amp and switching.png|input amplifier schematic | File:3a1 input amp and switching.png|input amplifier schematic | ||
</gallery> | </gallery> | ||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||