PS503: Difference between revisions

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997 bytes removed ,  6 October
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{{TM500 | mfg=Tektronix | type=PS503 | function=triple power supply | class=power supply | image=Tek ps503a.jpg | introduced=1972 | discontinued=1995 |
{{TM500 | mfg=Tektronix | type=PS503 | function=triple power supply | class=power supply | image=PS503 Front.jpeg | introduced=1972 | discontinued=1976 |
designers=Gunther Engert;Roger Stenbock
designers=Gunther Engert;Roger Stenbock
|manuals=
|manuals=
* [[Media:070-1303-00.pdf|Tektronix PS503 Manual]] (OCR)
* [[Media:070-1303-00.pdf|Tektronix PS503 Manual]] (OCR)
* [[Media:070-1834-01.pdf|Tektronix PS503A Instruction]] (OCR)
* [[Media:061-3171-00.pdf|Tektronix PS503A Mod FF]]
}}
}}
It supplies 0 to −20 V and 0 to +20 V at 0.4 A as well as +5 V at 1 A, and was [[introduced in 1972]].
It supplies 0 to −20 V and 0 to +20 V at 0.4 A, as well as +5 V at 1 A, and was [[introduced in 1972]].


The '''PS503A''' version ([[introduced in 1976]]) delivers ±20 V at 1 A when used in [[TM500 high-power compartments]].
The later [[PS503A]] version ([[introduced in 1976]]) delivers ±20 V at 1 A when used in [[TM500 high-power compartments]].


The variable supplies can be adjusted independently or can track one another, and are floating.  The 5 V output is ground referenced.
The variable supplies can be adjusted independently or can track one another, and are floating.  The 5 V output is ground referenced.
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{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Output voltage  | 0 to +20 V and 0 to −20 V, floating;  5 V ±5%, ground referenced }}
{{Spec | Output voltage  | 0 to +20 V and 0 to −20 V, floating;  5 V ±5%, ground referenced }}
{{Spec | Current limit    | <100 mA to >1 A variable (0.4 A for original '''PS503''' or if used in low power compartment); 1 A fixed on +5 V}}
{{Spec | Current limit    | <100 mA to 0.4 A; 1 A fixed on +5 V}}
{{Spec | Ripple and noise | <3 mV<sub>p-p</sub> @ 1 A on either rail }}
{{Spec | Ripple and noise | <3 mV<sub>p-p</sub> @ 1 A on either rail }}
{{EndSpecs}}
{{EndSpecs}}
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==Links==
==Links==
* [https://youtube.com/watch?v=h5ZH7e3sXbo Tektronix PS503A Power Supply Restoration] by NFM @ YouTube
* Tektronix PS503A Power Supply: [https://youtube.com/watch?v=QFdy2mf_5qgm Part 1 (cleanup)] / [https://youtube.com/watch?v=1Q7qj2qEKpQ Part 2 (repair)] by IMSAI Guy @ YouTube
{{Documents|Link=PS503}}
{{Documents|Link=PS503}}
{{Documents|Link=PS503A}}
{{PatentLinks|PS503}}


==Prices==
==Prices==
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PS503M_Left.jpg  | PS503M Left Internal
PS503M_Left.jpg  | PS503M Left Internal
PS503M_Right.jpg | PS503M Right Internal
PS503M_Right.jpg | PS503M Right Internal
</gallery>
'''PS503A'''
<gallery>
Ps503a-front.jpg          | PS503A Front Panel
Ps503a-left.jpg          | PS503A Left Internal
Ps503a-right.jpg          | PS503A Right Internal
PS503A-rear-sw.jpg        | Switch S95 in rear of PS503A (detects high power compartment)
</gallery>
<gallery>
Tek ps503a.jpg            | PS503A Front Panel
PS503A_Left_Internal.jpg  | PS503A Left Internal
PS503A_Right_Internal.jpg | PS503A Right Internal
Tek ps503a right.jpg      | PS503A Side
PS503A_rear_con.JPG      | PS503A Rear connector
</gallery>
</gallery>


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