HP 181A manual HP 53131A/132A Counter, Channels 1 and 2 Frequency Accuracy Test Setup

1

Chapter 1 Performance Tests

Test 4: Channels 1 and 2 Frequency Accuracy (HP 53131A/132A Only)

Procedure

1Connect the equipment as shown in Figure 1-8 with the signal generator connected to Channel 1 of the Counter.

		Input
50Ω	(rear panel)
Feedthrough	HP 8663A
Ref. In
(rear panel)	Synthesized Signal Generator

HP 53131A/132A

Counter

Channel 2

Channel 1 Output

N-to-BNC

Connector

Figure 1-8. Channels 1 and 2 Frequency Accuracy Test Setup

2Set the Signal Generator to output 1 MHz at −7 dBm.

3On the Counter, press Run key.

Verify the HP 53131A Counter reads 1 MHz ±1 mHz. Verify the HP 53132A Counter reads 1 MHz ±200 μHz.

4Record the actual reading in the appropriate place in the Performance Test Record (Test 4, Line 1 for HP 53131A or Test 4, Line 3 for HP 53132A.

1-28 Assembly-Level Service Guide