HP 8568B manual Procedure 1. Press Instr pfwm, Log

10. IF Gain Uncertainty Test

Equipment Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 3335A Adapter, Type N (m) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . HP 1250-0780

Procedure 1. Press ( INSTR pfwm-).

2.Connect CAL OUTPUT to SIGNAL INPUT.

3.Press Cm] 8. Adjust AMPTD CAL for a MARKER amplitude of -10.00 dBm 50.02 dB.

4.Press (1~~733 PRESET).

10 dB Gain Steps 5. Set the frequency synthesizer for an output frequency of 20.0010 MHz and an output power level of -2.0 dBm. Set the amplitude increment for 10 dB steps.

6.Connect the equipment as shown in Figure 2-17.

7.Key in analyzer settings as follows:

CCENTER FREQUENCY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20.001 MHZ

CFREQUENCY SPAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kHz

8 Press MARKER (PEAK SEARCH).~~) or adjust (CENTER FREQUENCY) to center signal trace on display.

9 Set analyzer as follows:
[V’DEO-	. . . . . . .	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Hz
(j-1 . .	. . . . . . .	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 kHz
LOG		dB/DIv]	1 dB
	CENTER

10.Press MARKER [PEAK SEARCH),

11.Press (SHIFT),(m]I to permit extended reference level settings.

12.Set the analyzer (REFERENCE LEVEL],(VIDEO], and frequency synthesizer amplitude according to Table 2-12 settings. (Use the frequency synthesizer @J for 10 dB steps.) At each setting, note the MKR A amplitude displayed in the upper right corner of the analyzer display (deviation from the 0 dB reference setting) and record it in the table. See Figure 2-18.

Note After measurement at the (REFERENCE LEVEL) = -70 dBm setting, press [SHIFT),(ENTER dB/DIvP as indicated in ‘lhble 2-12.

2 - 34 Performance Tests