Tektronix CSA7404B Service Manual

Performance Tests
4-92
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
Time Base System Checks
These procedures check those characteristics that relate to the time base system
and are listed as checked under Warranted Characteristics in Specifications.
Equipment
required
One timer-counter (Item 11)
One 50 Ω, precision coaxial cable (Item 4)
One SMA male-to-female BNC adapter (Item 19)
One sine wave generator (Item 12)
Prerequisites See page 4--17
50 Ω Coaxial cable
Input
Timer-counter
Instrument under test
Figure 4- 21: Initial test hookup
1. Install the test hookup and preset the instrument controls:
a. Hook up the test-signal source: Connect, through a 50 Ω precision
coaxial cable, the input of the timer-counter to REF OUT (see
Figure 4--21).
H Set the timer-counter gate to 1 s.
H Set the timer-counter to count the reference output.
b. Initialize the instrument: Press the DE FAULT SETUP button.
2. Confirm the time base is within limits for accuracies:
a. Check long-term sample rate and delay time accuracies against limits:
H CHECK that the count on the timer-counter is within limits.
Check Long-Term Sample
Rate and Delay Time
Accuracy and Reference

Tektronix CSA7404B Specifications

General

Brand	Tektronix
Model	CSA7404B
Category	Measuring Instruments
Language	English