4-5
Performance Tests
2. External Source Mode Frequency Range
2. External Source Mode Frequency Range
Perform this test to verify that the analyzer’s reference channel, input R, is
capable of phase locking to an external CW signal.
Required
Equipment
External Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 83640A
Cable, APC-7, 24-inch . . . . . . . . . . . . . . . . . . . . . . . . . Agilent P/N 8120-4779
Adapter, APC-3.5 (f) to APC-7 . . . . . . . . . . . . . . . . . . Agilent P/N 1250-1747
Adapter, APC-3.5 (m) to APC-7 . . . . . . . . . . . . . . . . . Agilent P/N 1250-1746
Procedure
1On the external source, press PRESET, CW, 10, MHz/msec, POWER LEVEL, –/←, 20,
GHz/dB(m).
2Connect the equipment as shown in Figure 4-2.
Figure4-2. External Source Mode Frequency Range Test Setup
3On the analyzer, press PRESET, MEAS, INPUT PORTS, R.
4Press SYSTEM, INSTRUMENT MODE, EXT SOURCE AUTO, MENU, CW FREQ, 10, M/µ.