Performance Tests
TDS 500B, 600B and TDS 700A Service Manual
4–65
the other side of the BNC T connector. Now connect the BNC T
connector to CH 1. See Figure 4–24.
DC Calibrator
50 Coaxial Cables
Dual Banana to
BNC Adapters
BNC T
Connector
Digitizing Oscilloscope
Figure 4–24: Subsequent Test Hookup
e. Measure amplitude of the probe compensation signal:
H Press SHIFT; then press ACQUIRE MENU. Press the side-menu
button AVERAGE then enter 16 using the keypad or the general
purpose knob.
H Adjust the output of the DC calibration generator until it precisely
overlaps the top (upper) level of the stored probe compensation
signal. (This value will be near 500 mV.)
H Record the setting of the DC generator.
H Adjust the output of the DC calibration generator until it precisely
overlaps the base (lower) level of the stored probe compensation
signal. (This value will be near zero volts.)
H Record the setting of the DC generator.
f. Press CLEAR MENU to remove the menus from the display. See
Figure 4–25.
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