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The Tektronix Type 531 is a 10MHz oscilloscope that accepts [[letter-series and 1-series plug-ins]].
{{Oscilloscope Sidebar |
It is exactly like Type [[535]] except it does not have the Delayed Sweep (dual timebase) feature.
title=Tektronix 531|
summary=10 MHz scope |
image=Tek 531a front.jpg |
caption=Tektronix 531 |
years=1954 - 1959|
manuals=
* [http://bama.edebris.com/download/tek/531_541/531_541.djvu Tektronix 531/541 Manual (DjVu)]
* [http://w140.com/mmm/tek-531-541.pdf Tektronix 531/541 Manual (PDF)]
* [http://w140.com/tek_fcp/tek_type_531_factory_cal_proc.pdf Tektronix 531 Factory Calibration Procedure (PDF)]
* [http://w140.com/tek_fcp/tek_type_531a_factory_cal_proc.pdf Tektronix 531A Factory Calibration Procedure (PDF)]
}}
 
The Tektronix Type 531 is a 10 MHz oscilloscope that accepts [[letter-series and 1-series plug-ins]]. It is exactly like Type [[535]] except it does not have the Delayed Sweep (dual timebase) feature.
 
The 531 and 535 were the first Tektronix scopes to accept plug-ins.
The 531 and 535 were the first Tektronix scopes to accept plug-ins.
It was [[introduced in 1954|introduced in March 1954]] simultaneously with the Type 535,  
It was [[introduced in 1954|introduced in March 1954]] simultaneously with the Type 535, and [[introduced in 1959|superseded in 1959]] by the Type 531A,
531 with below S/N 7950 have DuMount [[154-081|5BGP2]] instead of Tektronix T533P2.
which has more convenient controls and a slightly faster (15 MHz) vertical amplifier.
and [[introduced in 1959|superseded in 1959]] by the Type 531A,
which has more convenient controls and a slightly faster (15MHz) vertical amplifier.


In serial numbers 101 to 7600,
531s with below S/N 7950 have DuMont [[154-081|5BGP2]] instead of Tektronix [[T533P2]].
the 531's L-C [[delay line]] is before the vertical amplifier. 
In serial numbers 7601 and up,
the 531's delay line is between the vertical amplifier and the CRT.
What was the reason for this change?


There is also a rack-mount 531A, Type RM31A. 
In serial numbers 101 to 7600, the 531's L-C [[delay line]] is before the vertical amplifier.   
The RM31A has a sliding chassis so that the scope can be
In serial numbers 7601 and up, the 531's delay line is between the vertical amplifier and the CRT. ''(What was the reason for this change?)''
serviced without removing it from a rack. 
The [[532]] is similar to the 531, but designed to be
more reliable at the expense of slower risetimeThe [[541]] is
mostly the same as the 531,
but has a [[distributed amplifier|distributed vertical amplifier]]
and a different CRT.


* [http://bama.edebris.com/download/tek/531_541/531_541.djvu Tektronix 531/541 Manual (DjVu)]
There is also a rack-mount 531A, Type RM31A. The RM31A has a sliding chassis so that the scope can be serviced without removing it from a rack.
* [http://w140.com/mmm/tek-531-541.pdf Tektronix 531/541 Manual (PDF)]
 
* [http://w140.com/tek_fcp/tek_type_531_factory_cal_proc.pdf Tektronix 531 Factory Calibration Procedure (PDF)]
The [[532]] is similar to the 531, but designed to be more reliable at the expense of slower risetime. The [[541]] is mostly the same as the 531, but has a [[distributed amplifier|distributed vertical amplifier]] and a different CRT.
* [http://w140.com/tek_fcp/tek_type_531a_factory_cal_proc.pdf Tektronix 531A Factory Calibration Procedure (PDF)]  
 
==Specifications==
 
[[Category:Specifications needed]] ''please add''


==Pictures==
<gallery>
<gallery>
Image:531_early_1.jpg|early 531
File:531_early_1.jpg         | early 531
Image:rm31a.jpg|RM31A
File:rm31a.jpg               | RM31A
Image:Tek 531a on cart.JPG|531A on cart
File:Tek 531a on cart.JPG   | 531A on cart
File:Tek 531a 34 pr.jpg|531A
File:Tek 531a 34 pr.jpg     | 531A
File:Tek 531a front.jpg|531A
File:Tek 531a front.jpg     | 531A
File:Tek 531a right top.jpg|531A
File:Tek 531a right top.jpg | 531A
File:Tek 531a right2.jpg|531A
File:Tek 531a right2.jpg     | 531A
File:Tek 531a right 3.jpg|531A
File:Tek 531a right 3.jpg   | 531A
File:Tek 531a right.jpg|531A
File:Tek 531a right.jpg     | 531A
File:Tek 531a left close.jpg|531A
File:Tek 531a left close.jpg | 531A
File:Tek 531a left.jpg|531A
File:Tek 531a left.jpg       | 531A
</gallery>
</gallery>


[[Category:500 series scopes]]
[[Category:500 series scopes]]

Revision as of 06:37, 5 July 2014

{{{manufacturer}}} 
10 MHz scope
Tektronix 531

Produced from to

Manuals
Manuals – Specifications – Links – Pictures


The Tektronix Type 531 is a 10 MHz oscilloscope that accepts letter-series and 1-series plug-ins. It is exactly like Type 535 except it does not have the Delayed Sweep (dual timebase) feature.

The 531 and 535 were the first Tektronix scopes to accept plug-ins. It was introduced in March 1954 simultaneously with the Type 535, and superseded in 1959 by the Type 531A, which has more convenient controls and a slightly faster (15 MHz) vertical amplifier.

531s with below S/N 7950 have DuMont 5BGP2 instead of Tektronix T533P2.

In serial numbers 101 to 7600, the 531's L-C delay line is before the vertical amplifier. In serial numbers 7601 and up, the 531's delay line is between the vertical amplifier and the CRT. (What was the reason for this change?)

There is also a rack-mount 531A, Type RM31A. The RM31A has a sliding chassis so that the scope can be serviced without removing it from a rack.

The 532 is similar to the 531, but designed to be more reliable at the expense of slower risetime. The 541 is mostly the same as the 531, but has a distributed vertical amplifier and a different CRT.

Specifications

please add

Pictures