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Author Topic: Tektronix 2440 calibration  (Read 1880 times)

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Offline sgi199Topic starter

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Tektronix 2440 calibration
« on: December 27, 2021, 09:23:21 am »
Tektronix 2440  Find calibration uncald CTE cal method
6 DIV?   thank!
« Last Edit: December 27, 2021, 09:26:26 am by sgi199 »
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Offline Jeff eelcr

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Re: Tektronix 2440 calibration
« Reply #1 on: December 27, 2021, 01:21:54 pm »
PG506 fast rise output, max amplitude thru 50 ohm cable, 5x 50 ohm attenuator and dual input coupler.
Jeff
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Offline sgi199Topic starter

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Re: Tektronix 2440 calibration
« Reply #2 on: December 27, 2021, 03:47:23 pm »
prepare.....
Jeff eelcr Thanks! :-+ :-+ :-+
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Offline David Hess

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Re: Tektronix 2440 calibration
« Reply #3 on: December 27, 2021, 04:19:03 pm »
The output from an HCMOS logic gate is fast enough.  If you have a sync output on your function generator, then that can do it.

The oscilloscope performs the same two channel delay time measurement as shown in the measurements menu if you want to test it ahead of time.
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Offline sgi199Topic starter

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Re: Tektronix 2440 calibration
« Reply #4 on: December 27, 2021, 04:32:39 pm »
 
I'm a manipulator, layman. I have nothing to learn! Thank you, two masters!

:-+David Hess :-+Thanks
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Offline David Hess

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Re: Tektronix 2440 calibration
« Reply #5 on: December 27, 2021, 08:31:22 pm »
I learned it after I changed the Dallas nvSRAMs in my 2440 and had to do the external calibration myself without the proper test equipment.  I tested a couple of different "fast" sources for the delay test and they were not critical at all.
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Offline sgi199Topic starter

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Re: Tektronix 2440 calibration
« Reply #6 on: December 28, 2021, 08:23:42 am »
Well... I haven't found the right instrument
 I re recognized several error messages in SPECIAL-COLD-SEF, and the results were all passed in the main menu.
include 2430A/2440
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