Products > Test Equipment

Probe into probes. What's up?

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David Hess:
Because of the lumped input capacitance and response of the high impedance input, the high frequency transient response of the probe itself is used to correct the response of the oscilloscope.  Tektronix did not include external adjustments for this, and instead released a different A/B/C version of the probe as newer oscilloscopes were released.

More general purpose probes, like from Texas who also OEMs probes for Rigol and Keysight, include access to the high frequency transient response adjustments.

BillyO:
It's trivial to get into the HF compensation adjustment on the P6139A.  There is also another device in there.  Not 100% sure what it is.

bdunham7:

--- Quote from: BillyO on January 31, 2023, 08:38:16 pm ---Not that I can see.  It says DC1M.

--- End quote ---

Is the forum mixnig photos again?

BillyO:
Must be.  That's not even the Bodnar.  It's my pulser and it's straight into the scope.

bomp:
Does the  Bodnar pulser need a 50 ohm load when the 10:1 probes are used?

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