Figure 5-12: Calibration Fixture Connections For Checking Step Rates, Pulse Form - Tektronix 371B Service Manual

Performance Verification
5-68
371B Calibration Fixture

Figure 5-12: Calibration Fixture connections for checking step rates, pulse form

4. Close the protective cover.
5. Set the test oscilloscope to DC coupling.
6. Set the test oscilloscope time/division to 50 ms/division.
7. CHECK that the pulse width is 450 ms to 550 ms at half amplitude and
overshoot or undershoot is within 10 % of full amplitude.
8. Set the test oscilloscope time/division to 10 ms/division.
9. CHECK that the rise and fall time are less than 40 ms between 10 % and
90 % of full amplitude.
10. Remove the probe and the patch cords.
371B Service Manual