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The Tektronix Type 531 is a | {{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| It was [[introduced in 1954|introduced in March 1954]] simultaneously with the Type 535, and [[introduced in 1959|superseded in 1959]] by the Type 531A, | ||
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and [[introduced in 1959|superseded in 1959]] by the Type 531A, | |||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 ( | |||
531s with below S/N 7950 have DuMont [[154-081|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?)'' | |||
and | |||
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 amplifier|distributed vertical amplifier]] and a different CRT. | |||
==Specifications== | |||
[[Category:Specifications needed]] ''please add'' | |||
==Pictures== | |||
<gallery> | <gallery> | ||
File:531_early_1.jpg | early 531 | |||
File:rm31a.jpg | RM31A | |||
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]] |