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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar
title=Tektronix 567 |
|manufacturer=Tektronix
summary=Sampling scope |
|series=560-series scopes
image=567 front.jpg |
|model=567  
caption=Tektronix 567 front |
|summary=Sampling scope  
introduced=1962 |
|image=567 front.jpg  
discontinued=1972 |
|caption=Tektronix 567 front  
manuals=
|introduced=1962  
* [http://bama.edebris.com/download/tek/567/tek%20567.v6.pdf Tektronix 567 Manual (PDF)]
|discontinued=1972  
* [http://w140.com/4499749_tek567.pdf Materials Characterization Application of 567 (PDF)]
|designers=Sam McCutcheon
* [http://w140.com/tek_567_1968_catalog.pdf Tektronix 567 in 1968 Catalog (PDF)]
|manuals=
* [http://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog (PDF)]
* [[Media:070-0322-01.pdf|Tektronix 567 Manual]]
* [[Media:070-348.pdf|Tektronix RM567 Manual]]
* [https://w140.com/tek_567_1968_catalog.pdf Tektronix 567 in 1968 Catalog]
* [https://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog]
* [[Media:Tek digital readout oscilloscope and programmer.pdf|Digital Readout Oscilloscope and Programmer]]
* [[Media:Tek digital readout oscilloscope and programmer.pdf|Digital Readout Oscilloscope and Programmer]]
* [[Media:Tek 6R1A and system calibration.pdf|Tektronix 6R1A and System Calibration]] (OCR)
* [[Media:Tek 567 cal outline.pdf|Tektronix 567 Calibration Outline]] (OCR)
* [https://w140.com/4499749_tek567.pdf Materials Characterization Application of 567]
}}
}}
The '''Tektronix 567''' is a [[sampling oscilloscope]] mainframe [[introduced in 1962]].   
The '''Tektronix 567''' is a [[sampling oscilloscope]] mainframe [[introduced in 1962]].   


It has a digital plug-in unit, the [[6R1]] or [[6R1A]], that can be used to measure  
It has a digital plug-in unit, the [[6R1]] or [[6R1A]], that can be used to measure waveform characteristics such as rise time.   
waveform characteristics such as rise time.  This digital unit provides a go/no-go output  
This digital unit provides a go/no-go output based on waveform characteristics.   
based on waveform characteristics.  This feature makes the 567 particularly useful in  
This feature makes the 567 particularly useful in production testing for tasks such as binning logic gates based on their speed.   
production testing for tasks such as binning logic gates based on their speed.   
 
The development of the 567 (and 6R1) was led by [[Sam McCutcheon]].


The 567 came after the [[661]] and before the [[568]] and its associated [[230]] Digital Unit.
The 567 came after the [[661]] and before the [[568]] and its associated [[230]] Digital Unit.


According to [[Stan Griffiths]],
The 567 is a self-contained oscilloscope, but is also used as a component of S2000- and
<blockquote>
S3000-series measurement systems. In that capacity, it typically uses one of the programmable
It looks like there were two different serial number runs of 567's.
plug-ins, [[S-311]], [[S-300]], or [[S-301]].


Bench models:
{{MissingSpecs}}
* 000101-000750 = 650 instruments
* 002000-003280 = 1280 instruments
* Total = 1930
 
Rackmount models:
* 000101-000228 = 128 instruments
* 002000-002240 = 240 instruments
* Total = 368
 
Grand Total = approx. 2300
</blockquote>


==Operation==
The 567 has three plug-in compartments.   
The 567 has three plug-in compartments.   
The left compartment holds a 3S-series sampling vertical unit such as a [[3S2]].   
The left compartment holds a 3S-series sampling vertical unit such as a [[3S2]].   
The center compartment holds a 3T-series sampling sweep unit such as a [[3T77]].
The center compartment holds a 3T-series sampling sweep unit such as a [[3T77]].
The right compartment holds the digital unit, either a [[6R1]] or a [[6R1A]].
The right compartment holds the digital unit, either a [[6R1]] or a [[6R1A]].
It is possible to operate a 567 without the digital unit but
It is possible to operate a 567 without the digital unit but in that configuration it provides only the functionality that a [[561]] provides.
in that configuration it provides only the functionality that a [[561]] provides.


The [[6R1]] and [[6R1A]] digital units have several different operating
The [[6R1]] and [[6R1A]] digital units have several different operating modes.   
modes.  These modes can be classified as time measurement or
These modes can be classified as time measurement or voltage measurement.   
voltage measurement.  One time measurement mode, for example,  
One time measurement mode, for example, shows the time delay between the rising pulse edge on input A and the falling pulse edge on input B.   
shows the time delay between the rising pulse edge on input A  
This is useful for measuring the speed of a logic gate such as an inverter.   
and the falling pulse edge on input B.  This is useful for measuring
One of the voltage measurement modes displays the difference between the input A voltage at on time and the input A voltage at some other time.   
the speed of a logic gate such as an inverter.  One of the voltage
This is useful for measuring the peak-to-peak amplitude of a signal.
measurement modes displays the difference between the input A voltage
at on time and the input A voltage at some other time.  This is
useful for measuring the peak-to-peak amplitude of a signal.


The mechanisms used by the digital unit are a sample and hold circuit,
==Internals==
a comparator, a counter, and a switched tap voltage divider.   
The mechanisms used by the digital unit are a sample and hold circuit, a comparator, a counter, and a switched tap voltage divider.   
The digital unit takes its input from the vertical signal produced by the sampling unit.
The digital unit takes its input from the vertical signal produced by the sampling unit.
Therefore, it operates on a low-speed signal,  
Therefore, it operates on a low-speed signal, somewhat similar to the intermediate frequency (IF) in a superheterodyne radio.   
somewhat similar to the intermediate frequency (IF) in a superheterodyne radio.   


The user of the 567 positions two cursors along the X-axis.
The user of the 567 positions two cursors along the X-axis.
These cursors define two times and two voltages.   
These cursors define two times and two voltages.   
The tapped voltage divider produces several voltages
The tapped voltage divider produces several voltages along the interval spanned by the two cursor voltages – 10%, 20%, 27%, 50%, 73%, 80%, and 90%.
along the interval spanned by the two cursor voltages:
10%, 20%, 27%, 50%, 73%, 80%, and 90%.
These voltages are used for making measurements such as the 10%-to-90% rise time.   
These voltages are used for making measurements such as the 10%-to-90% rise time.   
In this case, a counter is reset and started when the signal passes through the 10% voltage.   
In this case, a counter is reset and started when the signal passes through the 10% voltage.   
The counter counts the number of cycles of a built-in crystal clock.
The counter counts the number of cycles of a built-in crystal clock.
When the signal reaches the 90% voltage,
When the signal reaches the 90% voltage, the counter is stopped and the count is displayed on the [[nixie tube]] digital numeric readout.
the counter is stopped and the count is displayed on the [[nixie tube]] digital numeric readout.
The units and decimal place of the digital unit are controlled by switch contacts on the timing unit plug-in,
The units and decimal place of the
digital unit are controlled by switch contacts on the timing unit plug-in,
which connect to the digital unit through a multi-pin connector in the 567.   
which connect to the digital unit through a multi-pin connector in the 567.   


The 567 does not have any post-deflection acceleration of the beam.
The 567 does not have any post-deflection acceleration of the beam.
The CRT circuit uses two [[5642]] high-voltage rectifier tubes, one (V822)
The CRT circuit uses two [[5642]] high-voltage rectifier tubes, one (V822)
to generate the CRT cathode voltage (-3,300 V) and one (V832) to generate the CRT
to generate the CRT cathode voltage (−3.3 kV) and one (V832) to generate the CRT
grid bias voltage.  CRTs used were [[T5032]] (earlier) and [[T5611]] (later models).
grid bias voltage.  CRTs used were [[T5032]] (earlier) and [[T5611]] (later models).


A 567 can be perform remotely controlled measurements by connecting a [[262]]
A 567 can perform remotely controlled measurements by connecting a [[262]]
programmer to the [[6R1]] or [[6R1A]] that is in the 567.
programmer to the [[6R1]] or [[6R1A]] that is in the 567.


Line 87: Line 75:
to be operated outside the plug-in bay of the 567 for maintenance purposes.
to be operated outside the plug-in bay of the 567 for maintenance purposes.


The 567 is a self-contained oscilloscope, but is also used as a component of S2000- and
==Models==
S3000-series measurement systems. In that capacity, it typically uses one of the programmable
 
plug-ins: [[S-311]], [[S-300]], and [[S-301]].
According to [[Stan Griffiths]],
<blockquote>
It looks like there were two different serial number runs of 567's.
 
Bench models:
* 000101-000750 = 650 instruments
* 002000-003280 = 1280 instruments
* Total = 1930
 
Rackmount models:  
* 000101-000228 = 128 instruments
* 002000-002240 = 240 instruments
* Total = 368
 
Grand Total = approx. 2300
</blockquote>


{{MissingSpecs}}
==See Also==
* [[Patent US 3359491A|US Patent #3359491: Signal Waveform Characteristic Measuring System Having Stop Start Logic Circuit]], Sam McCutcheon, 1962


==Pictures==
==Pictures==
Line 115: Line 119:
</gallery>
</gallery>


==Components==
{{Parts|567}}


[[Category:560 series scopes]]
[[Category:560 series scopes]]
[[Category:Sampling scopes]]
[[Category:Sampling scopes]]
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