HP (Hewlett-Packard) 181A Water Dispenser User Manual


 
Chapter 1 Performance Tests
Test 1: Time Interval (HP 53131A/132A Only)
1-18 Assembly-Level Service Guide
1
Procedure
1 Connect the pulse generator signal to Channel 1 of the Counter as
shown in Figure 1-5.
Figure 1-5. Time Interval (Channel 1 TO 2) Test Setup
2 Set the Pulse Generator to the following:
PERIOD: 10
µ
s
WIDTH: 150 ns
High: 1.00 V Low : 0.00 V
Input Mode: Normal
3 On the Counter, Press Single/Stop key.
The HP 53131A Counter should display 0.1500
µ
s ±0.0040
µ
s.
The HP 53132A Counter should display 0.1500
µ
s ±0.0025
µ
s.
4 Record this value in the appropriate place in the Performance
Test Record (Test 1, Line 1 for HP 53131A or Test 1, Line 2 for
HP 53132A).
5 Disconnect the test setup.
HP53131A/132
Counter
Channel 1
HP 8130A
Pulse Generator
Output