4-11
Performance Tests
5. Minimum R Channel Level
Required
Equipment
For 50Ω Analyzers
Adapter, APC-3.5 (m) to APC-7 . . . . . . . . . . . . . . . . . Agilent P/N 1250-1746
Cable, APC-7 24-inch . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent P/N 8120-4779
For 75Ω Analyzers (Option 075)
Minimum Loss Pad, 50Ω to 75Ω . . . . . . . . . . . . . . . . . . . . . . . Agilent 11852B
Cable, 50Ω Type-N, 24-inch . . . . . . . . . . . . . . . . . . . . . Ag ilent P/N 8120-4781
Adapter, APC-3.5 (m) to Type-N (f) . . . . . . . . . . . . . . Agilent P/N 1250-1750
Procedure
1Connect the equipment as shown in Figure 4-5.
Figure4-5. Minimum R Channel Level Test Setup
2Press PRESET, MEAS, INPUT PORTS, R.
3Press MENU, POWER, PWR RANGE MAN, POWER RANGES, RANGE 4 –55 to –30.
4Press SCALE REF, REFERENCE VALUE, –70, x1.
5Press MENU, CW FREQ, 300, k/m.
6Press MENU, POWER, –65, x1.
The analyzer displays the message, CAUTION: NO IF FOUND: CHECK R
INPUT LEVEL.
7Press ⇑ to increase the test port power by 1 dBm.