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Test Equipment Anonymous (TEA) group therapy thread

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Berni:
Hope it doesn't have a bunch of strange voltages like the transformer in my keithley electrometer had. I ended up replacing just the dead winding with a whole separate transformer.

BravoV:

--- Quote from: Berni on May 25, 2018, 10:47:23 am ---The actual probe end looks the same and has the same specs so its most likely the exact same probe with a different connector on the end. Some scopes have that power connector built into the front panel so that you don't need the separate box. But the power connector is standard so you can buy it and make your own power supply.

From memory the new version runs from +/- 6V and +/- 12V for power.

Tho this having an N connector makes it more useful on spectrum analyzers, but anything with a 50 Ohm input impedance will work (1Meg will NOT work right) on this probe.

--- End quote ---

Yep, the documentation provides the power details on it's pins, it use lemo connector.

Yep, it will be used at spectrum analyzer, besides my scope only maxed out at 400MHz, a boat anchor Tek 2465B.  :P

GerryBags:

--- Quote from: BravoV on May 25, 2018, 11:35:13 am ---Yep, the documentation provides the power details on it's pins, it use lemo connector.

Yep, it will be used at spectrum analyzer, besides my scope only maxed out at 400MHz, a boat anchor Tek 2465B.  :P

--- End quote ---

It would work nicely with the 2465B's 50 Ohm input, though, if you ever need it to.

bd139:

--- Quote from: Berni on May 25, 2018, 11:24:46 am ---Hope it doesn't have a bunch of strange voltages like the transformer in my keithley electrometer had. I ended up replacing just the dead winding with a whole separate transformer.

--- End quote ---

Nah it's straight dual winding 24v.

However it appears that both the regulators are fucked. It's kicking out 57v across both rails instead of the expected 40v. Hopefully this isn't enough to blow up the log converter IC.

Could be a lemon this one.

Edit: double fuck. If I snip the links after the regs it's kicking out 76V across the rails.

Specmaster:
That IC is likely to well toasted then. Is it still available?

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