59: Difference between revisions
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|series=560-series scopes | |series=560-series scopes | ||
|type=Type 59 | |type=Type 59 | ||
|summary=400 kHz low-cost amplifier | |summary=400 kHz low-cost amplifier plug-in | ||
|image=Tek type 59.jpg | |image=Tek type 59.jpg | ||
|caption= Model 59 catalog image | |caption= Model 59 catalog image | ||
| Line 10: | Line 10: | ||
|designers= | |designers= | ||
|manuals= | |manuals= | ||
* [[Media:Tek type 59 irb.pdf|Tektronix Type 59 Instrument Reference Book (OCR | * ''[[Media:070-0262-00.pdf|070-0262-00 manual]] needed'' | ||
* [[Media:Tek type 59 irb.pdf|Tektronix Type 59 Instrument Reference Book]] (OCR) | |||
}} | }} | ||
The '''Tektronix Type 59''' is a 400 kHz amplifier for [[560-series scopes]]. | The '''Tektronix Type 59''' is a 400 kHz amplifier for [[560-series scopes]]. | ||
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The manual says | The manual says | ||
<blockquote> | <blockquote> | ||
The forward end of the chassis has been left free of circuitry in the anticipation that a user may wish to install additional circuitry to fit the Type 59 module to his own special application. | ''The forward end of the chassis has been left free of circuitry in the anticipation that a user may wish to install additional circuitry to fit the Type 59 module to his own special application.'' | ||
</blockquote> | </blockquote> | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Bandwidth | 400 kHz }} | {{Spec | Bandwidth | 400 kHz }} | ||
{{Spec | Deflection | {{Spec | Deflection | ~ 1 V/Div }} | ||
{{Spec | Input impedance | 250 kΩ }} | {{Spec | Input impedance | 250 kΩ }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Links== | |||
{{Documents|Link=59}} | |||
==Internals== | |||
The Type 59 plug-in contains two tubes, total. | The Type 59 plug-in contains two tubes, total. | ||
Both are [[6BA8]] pentode/triodes. | Both are [[6BA8]] pentode/triodes. | ||
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The remaining triode is used as the trigger pickoff cathode-follower. | The remaining triode is used as the trigger pickoff cathode-follower. | ||
The heater of tubes are supplied with 6.3 V<sub>AC</sub> from the mainframe. | The heater of tubes are supplied with 6.3 V<sub>AC</sub> from the mainframe. | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
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Tek type 59 schematic.png|schematic | Tek type 59 schematic.png|schematic | ||
</gallery> | </gallery> | ||
==Components== | |||
{{Parts|59}} | |||
Latest revision as of 04:51, 29 November 2023
The Tektronix Type 59 is a 400 kHz amplifier for 560-series scopes. It was introduced in 1960, and at $50 (2015 value: $398) it was the lowest cost model of the 560-series plug-ins.
It does not have a calibrated input attenuator. The Type 59 signal input is a pair of banana plugs.
The manual says
The forward end of the chassis has been left free of circuitry in the anticipation that a user may wish to install additional circuitry to fit the Type 59 module to his own special application.
Key Specifications
| Bandwidth | 400 kHz |
|---|---|
| Deflection | ~ 1 V/Div |
| Input impedance | 250 kΩ |
Links
Documents Referencing 59
- (no results)
Internals
The Type 59 plug-in contains two tubes, total. Both are 6BA8 pentode/triodes. A triode cathode-follower buffers the input. Next is a differential amplifier made of two pentodes. The remaining triode is used as the trigger pickoff cathode-follower. The heater of tubes are supplied with 6.3 VAC from the mainframe.
Pictures
-
From 1961 catalog
-
schematic
Components
Some Parts Used in the 59
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 6BA8 | 154-0163-00 | Vacuum Tube (Triode/Pentode) | triode-pentode combo | 59 • 2A61 • 72 • 3A72 • 3A2 |
| 6BA8A | 154-0163-00 | Vacuum Tube (Triode/Pentode) | triode-pentode combo | 59 • 3A72 • 526 |