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| Show Us Your Curve Tracer |
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| edavid:
--- Quote from: Electro Fan on March 10, 2021, 09:30:16 pm --- --- Quote from: edavid on March 10, 2021, 07:54:35 pm ---I disagree - I would never connect a curve tracer to an MCP scope like the Tek 2467B |O --- End quote --- Your concern is using up the useful life on the MCP or something else? (I'm guessing Ground_Loop doesn't trace curves all day every day, and his MCP likely has it's timeout feature operating.) --- End quote --- The timeout is a convenience, but it won't protect the CRT from burns if you make a determined effort. (MCP = microchannel plate image intensifier) |
| Martin Hodge:
--- Quote from: graybeard on March 09, 2021, 04:17:07 pm --- --- Quote from: Martin Hodge on March 09, 2021, 07:03:53 am ---A Tek 575 connected to an Eico 667 tube tester through a custom curve tracer circuit. Curves are from a 6AU6 pentode. --- End quote --- I have been considering how to adapt tubes to my 575. Thank you for this example! --- End quote --- The circuit is designed by Dennis Tillman. Attempting to attach PDF... nope, too big. Instead search for "An Inexpensive Vacuum Tube Curve Tracer Adapter for All Tektronix Semiconductor Curve Tracers" |
| Martin Hodge:
Here's the 575 testing the tunnel diode in the trigger of the 'b' timebase of a Tek 535A. Vertical: 0.5 mA/div Horiz: 50 mV/div |
| Electro Fan:
--- Quote from: Martin Hodge on March 13, 2021, 04:28:06 am ---Here's the 575 testing the tunnel diode in the trigger of the 'b' timebase of a Tek 535A. Vertical: 0.5 mA/div Horiz: 50 mV/div --- End quote --- Vintage Tektronix, tunnel diode, beautiful photography... doesn’t get much better. Super Cool! :-+ :-+ |
| TERRA Operative:
I built one of the Thai Kits tracers, it works well. https://youtu.be/uU_KjH-jJnA I also have a Tek 577-177 that I have to repair one day (blown tants etc) and a 4145A that I have to track down a bunch of triax cables to connect it to the test fixture (and do the SD card floppy drive swap and maybe a colour LCD swap too if I feel like spending money). |
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