PS503: Difference between revisions

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Designers per Tekscope V4 No 3

Peter

Bureaucrats, Interface administrators, Suppressors, Administrators

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 {{TM500 | mfg=Tektronix | type=PS503 | function=triple power supply | class=power supply | image=Tek ps503a.jpg | introduced=1972 | discontinued=1995 |
-manuals=
+designers=Gunther Engert;Roger Stenbock
-* [[Media:070-1303-00.pdf|Tektronix PS503 Operator (PDF, 1M, no schema)]]
+|manuals=
-* [[Media:070-1834-01.pdf|Tektronix PS503A Instruction (OCR PDF, 5M)]]
+* [[Media:070-1303-00.pdf|Tektronix PS503 Manual]] (OCR)
-* [[Media:061-3171-00.pdf|Tektronix PS503A Mod FF (PDF)]]
+* [[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.
+The '''PS503A''' version ([[introduced in 1976]]) delivers ±20 V at 1 A when used in [[TM500 high-power compartments]].
-The '''PS503A''' version 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.
 {{BeginSpecs}}
-{{SpecGroup | Variable outputs }}
+{{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 }}
+{{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 >1 A (0.4 A for original '''PS503''' or if used in low power compartment) }}
+{{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 }}
-{{SpecGroup | Fixed output }}
-{{Spec | Output voltage3 | 5 V ±5%, 1 A (ground referenced) }}
-{{Spec | Current limit | fixed 1 A }}
-{{Spec | Ripple and noise | <3 mV<sub>p-p</sub> @ 1 A }}
 {{EndSpecs}}
-==Rear interface signals==
+==Rear interface connections==
 * +20 V output (22A)
 * −20 V output (22B)
 * ±20 V common (24A, 24B)
-(the connections below require various jumper changes in the PS503 as described in the manual)
+(connections below require various jumper changes in the PS503 as described in the manual)
-* Remote resistor programming (via 25A, 25B)
+* Remote resistor or voltage programming (via 25A, 25B) or
-* Remote voltage programming (via 25A, 25B)
+* Remote sensing (+ Sense 23A, − Sense 23B)
-* 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==
+'''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>
-Ps503a-front.jpg     | PS503A, front panel
+Tek ps503a.jpg            | PS503A Front Panel
-Ps503a-left.jpg      | PS503A, left side
+PS503A_Left_Internal.jpg  | PS503A Left Internal
-Ps503a-right.jpg     | PS503A, right side
+PS503A_Right_Internal.jpg | PS503A Right Internal
-Tek ps503a.jpg       | PS503A
+Tek ps503a right.jpg      | PS503A Side
-Tek ps503a front.jpg | PS503A
+PS503A_rear_con.JPG       | PS503A Rear connector
-Tek ps503a right.jpg | PS503A
-PS503A-rear-sw.jpg   | Switch S95 in rear of PS503 (detects high power compartment)
-PS503A_rear_con.JPG   | PS503A Rear connector
 </gallery>
+==Components==
+{{Parts|PS503}}
 [[Category:TM500 power supply plugins]]