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503: Difference between revisions
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The Tektronix Type 503 is a monolithic oscilloscope [[introduced in 1960]] | {{Oscilloscope Sidebar | | ||
title=Tektronix 503 | | |||
summary=450 kHz differential-input scope | | |||
image=Tek 503 corner.jpg | | |||
caption=Tektronix 503 | | |||
introduced=1960 | | |||
discontinued=(?) | | |||
manuals=[http://bama.edebris.com/download/tek/503/503late.pdf Tektronix 503 manual] | |||
[http://w140.com/tek_fcp/tek_type_503_factory_cal_proc.pdf Tektronix 503 factory calibration procedure] | |||
}} | |||
The '''Tektronix Type 503''' is a monolithic oscilloscope [[introduced in 1960]] | |||
specializing in X-Y mode but also containing a sweep circuit. | specializing in X-Y mode but also containing a sweep circuit. | ||
It features two identical phase matched amplifiers with true differential inputs. | It features two identical phase matched amplifiers with true differential inputs. | ||
The scope has a bandwidth specification of 450 kHz | The scope has a bandwidth specification of 450 kHz | ||
and sensitivity to | and sensitivity to 1 mV/cm. | ||
The 503 and [[504]] were low priced scopes for their time | |||
but provided the same quality and precision of their higher | The 503 and [[504]] were low priced scopes for their time but provided the same | ||
The standard version 503 utilized a P2 phosphor CRT that | quality and precision of their higher bandwidth siblings. | ||
provides a slightly longer trace decay time for ease of photographing the display. | |||
A large market for the scope was in electronics labs of educational institutions. | The standard version 503 utilized a P2 phosphor CRT that provides a slightly longer | ||
The differential inputs are useful for entry level students | trace decay time for ease of photographing the display. A large market for the | ||
to experiment with observing voltages not referenced to ground. | scope was in electronics labs of educational institutions. The differential inputs | ||
are useful for entry level students to experiment with observing voltages not | |||
referenced to ground. | |||
The 503 is mostly a vacuum tube design with a differential transistor stage | The 503 is mostly a vacuum tube design with a differential transistor stage | ||
following the differential input | following the differential input amplifiers. | ||
The 503 does not use post deflection acceleration, | |||
The 503 does not use post-deflection acceleration, | |||
resulting in the CRT cathode operating at -3000 V. | resulting in the CRT cathode operating at -3000 V. | ||
The 503 uses the [[T5030]] CRT. | The 503 uses the [[T5030]] CRT. | ||
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Therefore the 503 is useful for biomedical work. | Therefore the 503 is useful for biomedical work. | ||
The rack mount version of the 503 is the RM503. | The rack-mount version of the 503 is the RM503. | ||
==Specifications== | |||
[ | [[Category:Specifications needed]]''please add'' | ||
==Pictures== | |||
<gallery> | <gallery> | ||
File:Tek 503 corner.jpg | File:Tek 503 corner.jpg | ||
File:RM503 5.JPG|RM503 front panel 1 | |||
File:RM503 front.jpg|RM503 front panel 2 | |||
File:RM503 1.JPG|RM503 top view | |||
File:RM503 bottom.jpg|RM503 bottom view 1 | |||
File:RM503 3.JPG|RM503 bottom view 2 | |||
File:RM503 back.jpg|RM503 rear panel | |||
File:RM503 4.JPG|RM503 with rear panel input connector option | |||
File:Tek 503 b2.jpg|503 | |||
File:503 ps.png|power supply schematic | File:503 ps.png|power supply schematic | ||
File:Tek 503 atten.jpg|Compensated input attenuator | File:Tek 503 atten.jpg|Compensated input attenuator | ||
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[[Category:Tube scopes]] | [[Category:Tube scopes]] | ||