Performance Tests
1–58
TDS Family Performance Verification and Specifications
Output Signal Checks
The procedure that follows checks those characteristics of the output signals that
are listed as checked under Warranted Characteristics in Specifications. The
oscilloscope outputs these signals at its front and rear panels.
Equipment
Required
Two 50 precision cables (Item 5)
One calibration generator (Item 10)
Prerequisites See page 1–15. Also, the Digitizing Oscilloscope must have passed
Check DC Voltage Measurement Accuracy on page 1–29.
1. Install the test hookup and preset the instrument controls:
50 Coaxial Cables
To MAIN
TRIGGER
OUT
Calibration
Generator
Digitizing Oscilloscope
Figure 1–20: Initial Test Hookup
a. Hook up test-signal source 1:
H Connect the standard amplitude output of a calibration generator
through a 50 W precision coaxial cable to CH 3 (AX1 on the TDS
520B, 620B, 680B, or 724A).
H Set the output of the calibration generator to 0.500 V.
b. Hook up test-signal source 2: Connect the Main Trigger Out at the rear
panel to CH 2 through a 50 W precision cable.
c. Initialize the oscilloscope:
H Press save/recall SETUP.
H Press the main-menu button Recall Factory Setup.
H Press the side-menu button OK Confirm Factory Init.
Check Outputs — CH 3
(AX1 on some models)
Main and Delayed Trigger
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