Tektronix 067-0587-01 - Page 28

CALIBRATION PROCEDURE 067-0587-01
Oscilloscope
Vertical Mode Chop
Horizontal Mode A
A Trigger Source Vert Mode
c. Connect the signal Pickoff "A-11 VERTICAL" cable to the 7812/S-2
Sampling Head via a Tektronix to GR adapter. Connect the "B-11 -—VERTICAL"
cable to the 7811/S-2 sampling head via a Tektronix to GR adapter. Ter-
minate the Signal Pickoff trigger cables with the internal 502 Terminators.
d. Remove the shorting strap located between the two (2) empty con-
nectors on the Signal Standardizer plug-in See Fig. 3 for exact location.
Connect a Tektronix cable between the connector closest to the rear of the
plug-in and the S-54 Pulse Generator output using a Tektronix to GR adapter
and a GR to BNC adapter. Refer to Fig. 3 for setup.
4. Step Response
a. Set all controls as given in Preliminary set-up for Sampling, page
4-8, Set the Signal Standardizer VERT or HORIZ switch to + Step.
Step Response + Amplitude Balance
b. Set the sampling system Time-Distance control to display the
positive going portion of the right vertical display.
c. Adjust the Signal Standardizer AMPLITUDE control to display
a 2.5 division step.
d. Align the rising portions of both traces by using the 7S11
Delay control.
e. Set the sampling system Time/Div to 0.5 ns.
f. Adjust R314 for equal amplitude pulses.
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