Not sure what I expected to see inside - but it was not this!
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By Fran

17 thoughts on “Vintage analog devices bench supply”
  1. Avataaar/Circle Created with python_avatars Rebecca Read says:

    Fran, you are so cool! ❤️

  2. Avataaar/Circle Created with python_avatars Bearded engineer’s show says:

    That's really weird.

  3. Avataaar/Circle Created with python_avatars brooklyndrive says:

    I love the fascinating artifacts you find for us to enjoy.

  4. Avataaar/Circle Created with python_avatars Michael S says:

    Project Farm would have tested it against other Analog Devices and finally cut it in half to see how it was made.

  5. Avataaar/Circle Created with python_avatars Marshall Berry says:

    I have a bunch of those at work that where used over the years at a research lab. The bricks have pins that mate into the sockets you can see on the inside. Usually they would mount to a phenolic board that could be mounted in a chassis with standoffs and the 2 screw holes you saw are to hold it on the board or thos box so it wont wiggle out. You can pop that brick right off the base with a little leverage on each side. Theres no adjustment to it, if it fails you remove it and pop in another. They even made single 5V ones for digital circuits.
    The base just lets you use the same supply as maybe powering breadboard circuits or even testing the supplies.

  6. Avataaar/Circle Created with python_avatars Gillanland says:

    Didn't even try to see if it's working?

  7. Avataaar/Circle Created with python_avatars Rob Young says:

    when replacing cord Mount the Fuse to back wall on outside : )

  8. Avataaar/Circle Created with python_avatars Randy Carter says:

    It's a demo model for the AC/DC converter on top. It wasn't meant to be a commercial power supply.

  9. Avataaar/Circle Created with python_avatars Furry Munster says:

    Big Clive would usually draw out a circuit diagram for us 👍

  10. Avataaar/Circle Created with python_avatars amoruzz says:

    Kool

  11. Avataaar/Circle Created with python_avatars West Penwith says:

    It is just a breakout box for a power supply intended to be installed inside equipment.

  12. Avataaar/Circle Created with python_avatars SiaVids says:

    I have some very similar Analog Device modules hidden away somewhere,, they usually are plug in and have gold pins too.

  13. Avataaar/Circle Created with python_avatars excavatoree says:

    I bought a lab type power supply from the famous auction site that was like that, but on a greater scale. This thing was huge. It was something like a 30 or 40 ampere supply, with meters, a current limit pot, and a voltage adjust pot. However, it was in two sections, with the "real power supply" completely sealed in a welded can. It had some problem, but I couldn't get to it. I managed to cut one "observation hole," but the metal was thick, and I decided it wasn't worth it, so I scrapped it.

  14. Avataaar/Circle Created with python_avatars ET Ranger says:

    I used those repeatedly 1987 to 1999 at Ames Research Center. The 902 was in the General Services Catalog but not the 950. The 902 did not have the Analog Devices logo on it but it was the same thing. Used it many times for my creations supporting the Vertical Motion Simulator at Ames.

  15. Avataaar/Circle Created with python_avatars CARL iCON says:

    Franalog Devices

  16. Avataaar/Circle Created with python_avatars Pravardhan Udaya Simhaa says:

    I wanted the full teardown of this power supply.
    I need to see the transformer and the regulator circuit. I saw 2 brass potentiometer shafts.

  17. Avataaar/Circle Created with python_avatars good 'un says:

    Similar pass-throughs to the ones seen here are often insulated with ceramic or teflon and used to pass RF or power-supply voltage through a metal shield into a TV tuner or enclosed RF/IF circuit.

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