Tektronix TDS 520B Service Manual

Performance Tests
TDS 500B, 600B and TDS 700A Service Manual
4–43
Time Base System Checks
These procedures check those characteristics that relate to the Main and Delayed
time base system and are listed as checked under Warranted Characteristics in
Specifications.
Equipment
Required
One time-mark generator (Item 11)
One 50 , precision coaxial cable (Item 5)
Prerequisites See page 4–15
50  Coaxial Cable
Time Mark
Generator
Digitizing Oscilloscope
Output
Figure 4–12: Initial Test Hookup
1. Install the test hookup and preset the instrument controls:
a. Hook up the test-signal source: Connect, through a 50 W precision
coaxial cable, the time-mark output of a time-mark generator to CH 1.
Set the output of the generator for 10 ms markers.
b. Initialize the oscilloscope:
H Press save/recall SETUP. Press the main-menu button Recall
Factory Setup. Press the side-menu button OK Confirm Factory
Init.
c. Modify the initialized front-panel control settings:
H Set the vertical SCALE to 200 mV (or 500 mV with the optional
Tektronix TG 501A Time Mark Generator)
H Press VERTICAL MENU; then press the main-menu button
Coupling. Press the side-menu button  to toggle it to the 50 
setting.
H Press SET LEVEL TO 50%.
Check Accuracy for
Long-Term Sample Rate,
Delay Time, and Delta
Time Measurements

Tektronix TDS 520B Specifications

General

Brand	Tektronix
Model	TDS 520B
Category	Test Equipment
Language	English