Agilent Technologies HP 3325B Bedienerhandbuch PDF herunterladen (Seite 52)

Chapter 1 Performance Tests

Test 4: Channels 1 and 2 Frequency Accuracy (Agilent 53131A/132A

Only)

1-28 Assembly-Level Service Guide

Procedure

1 Connect the equipment as shown in Figure 1-8 with the signal generator

connected to Channel 1 of the Counter.

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

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

3 On the Counter, press Run key.

Verify the Agilent 53131A Counter reads 1 MHz ±1 mHz.

Verify the Agilent 53132A Counter reads 1 MHz ±200 µHz.

4 Record the actual reading in the appropriate place in the Performance Test

Record (Test 4, Line 1 for Agilent 53131A or Test 4, Line 3 for Agilent 53132A.

P 53131A/132A

ounter

HP 8663A

Synthesized Signal Generator

N-to-BNC

Connect

Output

Channel 1

50Ω

Feedthrough

Ref. In

(rear panel)

Input

(rear panel)

Channel 2

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Agilent Technologies HP 3325B Bedienerhandbuch Seite 52