PS503: Difference between revisions

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The PS503 is a power supply plugin for [[TM500 system]] mainframes. It supplies 0 to -20 V and 0 to +20 V at 1 A (0.4 A in low power compartments) as well as +5 V at 1A. The variable supplies can be adjusted independently or can track one another.
{{TM500 | mfg=Tektronix | type=PS503 | function=triple power supply | class=power supply | image=Tek ps503a.jpg | introduced=1972 | discontinued=1995 |
designers=Gunther Engert;Roger Stenbock
|manuals=
* [[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]].


==Manuals==
The '''PS503A''' version ([[introduced in 1976]]) delivers ±20 V at 1 A when used in [[TM500 high-power compartments]].
* [http://w140.com/smb/PS503A_SM.pdf Tektronix PS503A Manual (OCR, PDF)]


==Specifications==
The variable supplies can be adjusted independently or can track one another, and are floating.  The 5 V output is ground referenced.
[[Category:Specifications needed]] ''please add''
 
{{BeginSpecs}}
{{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 | Ripple and noise | <3 mV<sub>p-p</sub> @ 1 A on either rail }}
{{EndSpecs}}
 
==Rear interface connections==
* +20 V output (22A)
* −20 V output (22B)
* ±20 V common (24A, 24B)
(connections below require various jumper changes in the PS503 as described in the manual)
* Remote resistor or voltage programming (via 25A, 25B) or
* Remote sensing (+ Sense 23A, − Sense 23B)
 
==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}}
 
==Prices==
{| class="wikitable sortable"
|-
! Year
! 1975
|-
! Catalog Price
| align="right" | $195
|-
! In 2023 Dollars
| align="right" | $1,100
|}


==Pictures==
==Pictures==
[[Category:Image needed]] ''please add''
'''PS503'''
<gallery>
PS503_Front.jpeg | PS503 Front Panel
PS503_Left.jpeg  | PS503 Left Internal
PS503_Right.jpeg | PS503 Right Internal
</gallery>
'''PS503M'''
<gallery>
PS503M_Front.jpg | PS503M Front Panel
PS503M_Left.jpg  | PS503M Left 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>
 
==Components==
{{Parts|PS503}}




[[Category:TM500 power supply plugins]]
[[Category:TM500 power supply plugins]]

Latest revision as of 02:46, 18 February 2024

Tektronix PS503
triple power supply
Tektronix PS503

Produced from 1972 to 1995

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix PS503 is a triple power supply plug-in for the TM500 system.

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 variable supplies can be adjusted independently or can track one another, and are floating. The 5 V output is ground referenced.

Key Specifications

Output voltage 0 to +20 V and 0 to −20 V, floating; 5 V ±5%, ground referenced
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
Ripple and noise <3 mVp-p @ 1 A on either rail

Rear interface connections

  • +20 V output (22A)
  • −20 V output (22B)
  • ±20 V common (24A, 24B)

(connections below require various jumper changes in the PS503 as described in the manual)

  • Remote resistor or voltage programming (via 25A, 25B) or
  • Remote sensing (+ Sense 23A, − Sense 23B)

Links

Documents Referencing PS503

Document Class Title Authors Year Links
Tekscope 1972 V4 N3 May 1972.pdf Article TM500 series - A New Dimension in Plug-in Instrumentation Bob Ragsdale 1972 TM500 system • TM501 • TM503 • FG501 • FG502 • RG501 • PG501 • SG502 • DC501 • DC502 • PS501 • PS502 • PS503
070-2088-00.pdf Book TM500 Series Rear Interface Data Book 1975 AF501 • AM501 • AM502 • DC501 • DC502 • DC503 • DC504 • DC505 • DC505A • DM501 • DM502 • FG501 • FG502 • FG503 • MR501 • PG501 • PG502 • PG505 • PG506 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • RG501 • SC501 • SC502 • SG502 • SG503 • TG501
070-2088-01.pdf Book TM500 Series Rear Interface Data Book 1976 AF501 • AM501 • AM502 • AM511 • DC501 • DC502 • DC503 • DC504 • DC505 • DC505A • DD501 • DM501 • DM502 • FG501 • FG502 • FG503 • FG504 • LA501 • MR501 • PG501 • PG502 • PG505 • PG506 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • RG501 • SC501 • SC502 • SG502 • SG503 • SG504 • SW503 • TG501 • TR501 • TR502

Prices

Year 1975
Catalog Price $195
In 2023 Dollars $1,100

Pictures

PS503

  • PS503 Front Panel

    PS503 Front Panel

  • PS503 Left Internal

    PS503 Left Internal

  • PS503 Right Internal

    PS503 Right Internal

PS503M

  • PS503M Front Panel

    PS503M Front Panel

  • PS503M Left Internal

    PS503M Left Internal

  • PS503M Right Internal

    PS503M Right Internal

PS503A

  • PS503A Front Panel

    PS503A Front Panel

  • PS503A Left Internal

    PS503A Left Internal

  • PS503A Right Internal

    PS503A Right Internal

  • Switch S95 in rear of PS503A (detects high power compartment)

    Switch S95 in rear of PS503A (detects high power compartment)

  • PS503A Front Panel

    PS503A Front Panel

  • PS503A Left Internal

    PS503A Left Internal

  • PS503A Right Internal

    PS503A Right Internal

  • PS503A Side

    PS503A Side

  • PS503A Rear connector

    PS503A Rear connector

Components

Some Parts Used in the PS503

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