Specifications

Table Of Contents
Chapter 1 Performance Tests
Agilent 53210A/53220A/53230A Complete Performance Tests
26 Assembly-Level Service Guide
Test 1: (Q) Absolute Time Base
This test uses the Agilent 53210A/53220A/53230A Frequency Counters to
measure the absolute frequency of the internal 10 MHz clock.
Equipment
FS725 Rubidium Timebase
CG635 Signal Generator (E8257D-520 is a valid substitute)
Agilent 10503 BNC Cables (2)
CG635 Signal Generator Setup
1 Set Output Channel: Q
2 Set Output Level: +7 dBm
3 Set Frequency: 10 MHz
Counter Setup
1 Connect the equipment as shown in Figure 1-3.
Figure 1-3. Absolute Timebase Test Setup
FS725
Rubidium
Timebase
CG635
Signal
Generator
Ch 1