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[[File:Tek 067-0502-01.JPG | thumb | 350px |right]]
{{Instrument Sidebar
The '''Tektronix 067-0502-01Amplitude Calibrator and Comparator''' is an instrument that can be used to produce a reference rectangle
|manufacturer=Tektronix
voltage or current waveform and/or to compare an external unknown input with an internal or  
|model=067-0502-01
external reference. The output voltage is only accurate if terminated in 1 MΩ, the 50 V setting will experience the highest error if not properly terminated (0.5% in an open load).  
|class=Signal generator
|series=
|summary=Amplitude Calibrator
|image=Tek 067-0502-01.JPG
|caption=
|introduced=(?)
|discontinued=(?)
|designers=
|manuals=
* [[Media:062-1105-00.pdf|Tektronix 067-0502-01 Manual]] (OCR)
}}
The '''Tektronix 067-0502-01 Amplitude Calibrator and Comparator''' is an instrument that can be used to produce a reference rectangle voltage or current waveform and/or to compare an external unknown input with an internal or external reference.  


The comparison is performed using an [[Airpax A175]] chopper to switch
The output voltage is only accurate if terminated in 1 MΩ, the 50 V setting will experience the highest error if not properly terminated (0.5% in an open load).
between the two voltages that are being compared.   
 
The resulting output is a rectangular waveform  
The comparison is performed using an [[Airpax A175]] chopper to switch between the two voltages that are being compared.   
with amplitude equal to the difference of two voltages.   
The resulting output is a rectangular waveform with amplitude equal to the difference of two voltages.   
This waveform can be amplified using a drift-free AC amplifier and viewed on an oscilloscope for high sensitivity comparison.
This waveform can be amplified using a drift-free AC amplifier and viewed on an oscilloscope for high sensitivity comparison.


See the [[067-0502-00]] page for a comparison of the -00 and -01 models.
See the [[067-0502-00]] page for a comparison of the -00 and -01 models.


The HV supply uses a tube V427, to regulate the +300V supply. The manual lists V427 as a [[7734]], a triode-pentode, however some models contain a small circular adapter board (670-1860-00,388-2423-00) to adapt the [[B9A_base|noval tube socket]] to a [[Compactron_base|Compactron socket]] and use a [[6G11]] double pentode instead. The adapter PCB connects the screen grid and plate of the beam power tube together in a triode configuration. These models also have [[6G11]] printed below V427 on the chassis.
The HV supply uses a tube V427, to regulate the +300V supply. The manual lists V427 as a [[7734]], a triode-pentode, however some models contain a small circular adapter board (670-1860-00, 388-2423-00) to adapt the [[B9A_base|noval tube socket]] to a [[Compactron_base|Compactron socket]] and use a [[6G11]] double pentode instead. The adapter PCB connects the screen grid and plate of the beam power tube together in a triode configuration. These models also have [[6G11]] printed below V427 on the chassis.


The output amplitude can be reduced down to 0.2 μV using the [[067-0529-00]] 1000:1 precision divider.
The output amplitude can be reduced down to 0.2 μV using the [[067-0529-00]] 1000:1 precision divider.


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Output Signal | DC+, DC-, Squarewave}}
{{Spec | Output | DC+, DC-, Squarewave}}
{{Spec | Amplitude Range | 0.2 mV to 100 V in 1-2-5 sequence, 5mA in current loop}}
{{Spec | Amplitude range | 0.2 mV to 100 V in 1-2-5 sequence, 5mA in current loop}}
{{Spec | Amplitude Accuracy | Within 0.25% into 1 MΩ load}}
{{Spec | Amplitude accuracy | Within 0.25% into 1 MΩ load}}
{{Spec | Squarewave Repetition Rate | 1 kHz within 20% }}
{{Spec | Squarewave repetition rate | 1 kHz within 20% }}
{{Spec | Maximum Input Voltage | 100 V }}
{{Spec | Maximum input voltage | 100 V }}
{{EndSpecs}}
{{EndSpecs}}


==Manuals==
==Links==
 
* [https://www.youtube.com/watch?v=a1uvoqf4wLc Tektronix 067-0502-01 Repair and Calibration]
* [http://w140.com/tek-067-0502-01.pdf Tektronix 067-0502-01 Manual (PDF)]
* [[Media:062-1105-00.pdf|Tektronix 067-0502-01 Manual (PDF, OCR)]]


==Pictures==
==Pictures==
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067-0502-01-interior_det.jpg|067-0502-01 internal detail with 6G11 as V427
067-0502-01-interior_det.jpg|067-0502-01 internal detail with 6G11 as V427
</gallery>
</gallery>
{{Parts|067-0502-01}}


[[Category:Calibration fixtures]]
[[Category:Calibration fixtures]]
[[Category:Pulse generators]]
[[Category:Amplitude Calibrators]]

Latest revision as of 20:47, 15 November 2023

The Tektronix 067-0502-01 Amplitude Calibrator and Comparator is an instrument that can be used to produce a reference rectangle voltage or current waveform and/or to compare an external unknown input with an internal or external reference.

Tektronix 067-0502-01
Amplitude Calibrator

Produced from (?) to (?)

Manuals
(All manuals in PDF format unless noted otherwise)

The output voltage is only accurate if terminated in 1 MΩ, the 50 V setting will experience the highest error if not properly terminated (0.5% in an open load).

The comparison is performed using an Airpax A175 chopper to switch between the two voltages that are being compared. The resulting output is a rectangular waveform with amplitude equal to the difference of two voltages. This waveform can be amplified using a drift-free AC amplifier and viewed on an oscilloscope for high sensitivity comparison.

See the 067-0502-00 page for a comparison of the -00 and -01 models.

The HV supply uses a tube V427, to regulate the +300V supply. The manual lists V427 as a 7734, a triode-pentode, however some models contain a small circular adapter board (670-1860-00, 388-2423-00) to adapt the noval tube socket to a Compactron socket and use a 6G11 double pentode instead. The adapter PCB connects the screen grid and plate of the beam power tube together in a triode configuration. These models also have 6G11 printed below V427 on the chassis.

The output amplitude can be reduced down to 0.2 μV using the 067-0529-00 1000:1 precision divider.

Key Specifications

Output DC+, DC-, Squarewave
Amplitude range 0.2 mV to 100 V in 1-2-5 sequence, 5mA in current loop
Amplitude accuracy Within 0.25% into 1 MΩ load
Squarewave repetition rate 1 kHz within 20%
Maximum input voltage 100 V

Links

Pictures

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    067-0502-01

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    067-0502-01 Schematic

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    067-0502

  •  

    067-0502-01 rear

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    067-0502-01 bottom

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    067-0502-01 front

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    067-0502-01 internal view

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    067-0502-01 internal detail with 6G11 as V427


Some Parts Used in the 067-0502-01

Part Part Number(s) Class Description Used in
6G11 154-0660-00 Vacuum Tube (Pentode) double sharp cut-off beam power pentode 125 • 132 • 519 • 067-0502-01 • 050-0551-00
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