3A1: Difference between revisions
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* [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (DJVU)] | * [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (DJVU)] | ||
* [[Media:Tek 3a1 fcp nov 1963.pdf]] | |||
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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]] |
Revision as of 07:06, 8 June 2019
Template:Plugin Sidebar 2 The Tektronix Type 3A1 is a dual-trace amplifier plug-in introduced in 1962 for 560-series scopes.
Key Specifications
Bandwidth | 10 MHz |
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Risetime | 35 ns |
Input impedance | 1 MΩ // 47 pF |
Deflection factor | 10 mV/div to 10 V/div, 1-2-5 sequence |
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 drives the vertical deflection plates of the scope uses a pair of 8233 frame grid power pentode tubes.
Pictures
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Front view
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Right side
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Right side
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Top view
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Bottom view
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input amplifier schematic