Table of Contents
Advertisement
190 Series III
Service Manual
7. Continue through the test points.
When you are finished, set the 5502A to 0 (zero) Volt and Standby.
Table 7. Input A, B, C, D Frequency Measurement Accuracy Test
Model
All
190-062
190-104
190-102
190-204/190M-4
190-202/190M-2
190-502
190-504
Because Duty Cycle and Pulse Width measurements are based on the same principles
as Frequency measurements, these measurement functions are not verified
separately.
Input A&B / C&D Phase Measurements Test
The test steps for channel C and D are only for the 4-channel models.
To test the phase measurement accuracy:
1. Connect the Test Tool to the 5502A. See
2. Select the Test Tool setup:
a. Recall the setup (see
select SETUP, press
setup.
P
b. Press
2
c. Press
Reading 1, on A, Phase
Reading 2, on B, Phase
Reading 3, on C, Phase
Reading 4, on D, Phase
18
Time base 5502A-SC... MODE
20 ms/div
wavegen, sine
20 ns/div
levsine
20 ns/div
levsine
20 ns/div
levsine
20 ns/div
levsine
Standard Test Tool
E
, select the setup name, and press
.
(– READING ...) and select with
Voltage
600 mVpp 16 Hz
600 mVpp 60 MHz
600 mVpp 100 MHz
600 mVpp 200 MHz
600 mVpp 500 MHz
Note
Note
Figure
4.
S
Setup). Press
1
Frequency
Input Reading
15.90 to 16.10
59.68 to 60.32
99.3 to 100.7
198.8 to 201.2
497.3 to 502.7
2
,
(RECALL) and
E
to recall the
h i
(– READINGS) and
:
Advertisement
Table of Contents
