3A1: Difference between revisions
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for [[560-series scopes]]. | for [[560-series scopes]]. | ||
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{{Spec | Bandwidth | 10 MHz }} | {{Spec | Bandwidth | 10 MHz }} | ||
Revision as of 06:00, 24 October 2014
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 |
|---|---|
| Risetime | 35 ns |
| Input impedance | is 1 MΩ // 47 pF |
| Deflection factor | 10 mV/div to 10 V/div |
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
