PS505: Difference between revisions

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The '''Tektronix PS505''' is a power supply plugin for [[TM500 system]] mainframes.
{{TM500 | mfg=Tektronix | type=PS505 | function=3.0–5.5 V, 4 A power supply | class=power supply | image=Tek ps505.JPG | introduced=1975 | discontinued=1977 |
It is designed to operate in the right-hand (high power) compartment of a  
designers= |manuals=
[[TM504]] or [[TM506]].
* [[Media:070-1784-00.pdf|Tektronix PS505 Manual]] (OCR)
}}
It is designed to operate in the right-hand (high power) compartment of a [[TM504]] or [[TM506]].


==Manuals==
In a low-power compartment, a rear switch limits the output to 1 A (indicated by front-panel "NON FLOATING / 1 A LIMIT" LED).


* [http://w140.com/smb/PS505_SM.pdf Tektronix PS505 Manual (OCR, PDF)]
{{BeginSpecs}}
{{Spec | Output voltage | 3.0 V to 5.5 V DC, floating (only if operated in a high-power compartment) }}
{{Spec | Output current | 4 A (must be limited to 1 A in a low-power compartment); foldback limit from 4.1 A to 1.5 A (latching) }}
{{Spec | Overvoltage protection | 7 V }}
{{Spec | Line regulation | ±10 mV for 10% line voltage change }}
{{Spec | Load regulation | ±5 mV for 0.5 to 4 A load current change, 20 μs transient recovery }}
{{Spec | Stability and drift | 0.1% + 5 mV drift in 8 hours; max. 0.01%/°C }}
{{EndSpecs}}


==Specifications==
==Links==
* Output voltage: 3.0V to 5.5V DC, floating
{{Documents|Link=PS505}}
* Output current when plugged into a high power TM500 compartment: 4A
{{PatentLinks|PS505}}
* Output current when plugged into a regular power TM500 compartment: 1A
 
==Internals==
The regulator circuit uses one 741 and one 5558 opamp. Reference is a 9 V zener.
 
==Prices==
{| class="wikitable sortable"
|-
! Year
! 1975
|-
! Catalog Price
| align="right" | $150
|-
! In 2023 Dollars
| align="right" | $860
|}


==Pictures==
==Pictures==
<gallery>
<gallery>
File:Tek ps505.JPG|Front view
Tek ps505.JPG|Front view
File:PS505 block diagram.png|Block diagram
PS505 block diagram.png|Block diagram
File:PS505 schem.png|Schematic
PS505 schem.png|Schematic
</gallery>
</gallery>
{{BetterPics}}


[[Category:TM500 power supply plugins]]
==Components==
[[Category:Introduced in 1975]]
{{Parts|PS505}}

Latest revision as of 05:31, 6 October 2024

Tektronix PS505
3.0–5.5 V, 4 A power supply
Tektronix PS505

Produced from 1975 to 1977

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

The Tektronix PS505 is a 3.0–5.5 V, 4 A power supply plug-in for the TM500 system.

It is designed to operate in the right-hand (high power) compartment of a TM504 or TM506.

In a low-power compartment, a rear switch limits the output to 1 A (indicated by front-panel "NON FLOATING / 1 A LIMIT" LED).

Key Specifications

Output voltage 3.0 V to 5.5 V DC, floating (only if operated in a high-power compartment)
Output current 4 A (must be limited to 1 A in a low-power compartment); foldback limit from 4.1 A to 1.5 A (latching)
Overvoltage protection 7 V
Line regulation ±10 mV for 10% line voltage change
Load regulation ±5 mV for 0.5 to 4 A load current change, 20 μs transient recovery
Stability and drift 0.1% + 5 mV drift in 8 hours; max. 0.01%/°C

Links

Documents Referencing PS505

Document Class Title Authors Year Links
070-2088-00.pdf Book TM500 Series Rear Interface Data Book 1975
070-2088-01.pdf Book TM500 Series Rear Interface Data Book 1976
070-2088-04.pdf Book TM500 Series Rear Interface Data Book 1985

Internals

The regulator circuit uses one 741 and one 5558 opamp. Reference is a 9 V zener.

Prices

Year 1975
Catalog Price $150
In 2023 Dollars $860

Pictures

Better pictures needed - please contribute

Components

Some Parts Used in the PS505

(no results)