Chapter 2 2-17
System Verification and Performance Tests
Agilent 8753ES System Verification and Performance Tests
2. External Source Mode Frequency Range
Perform this test to verify that the analyzer’s reference channel, R Channel In, is capable
of phase locking to an external CW signal. CW signals from an external source are fed into
the R channel input when the instrument is in external source mode. Proper phase lock
conditions are confirmed at a power level of −25 dBm.
Analyzer warm-up time: 30 minutes
Specifications
Required Equipment
Procedure
1. Set the external source to a CW frequency of 10 MHz and power level of −25 dBm.
2. Connect the equipment as shown in Figure 2-9.
Figure 2-9 External Source Mode Frequency Range Test Setup
Frequency Range
300 kHz to 3 GHz
300 kHz to 6 GHz
a
a. Only for analyzers with
Option 006.
Description HP/Agilent Part or Model Number
External Source 83620A Option 001 or 83712B Option 1E1
Cable: APC-7, 24-inch 8120-4779
Adapter: APC-3.5 (f) to APC-7 1250-1747
Adapter: APC-3.5 (m) to APC-7 1250-1746
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