8. Frequency Response Test

Option 001: Set [REFERENCE LEVEL] TO -6.0 dBm.

15.Repeat steps 6 through 11. Press DISPLAY LINE [ENTER) on the spectrum analyzer. Use the Display Line to measure the maximum and minimum points on the trace. Record measurements below.

SIGNAL INPUT 1

(20 MHz to 1.5 GHz)

MaximumdBm

MinimumdBm

16.Press MARKER (-1 on spectrum analyzer. Set marker to 500 MHz. Press DISPLAY LINE (ENTER] on the spectrum analyzer. Use the Display Line to measure the maximum and minimum points between 20 MHz and 500 MHz. Record measurements below.

SIGNAL INPUT 1

(20 MHz to 500 GHz)

MaximumdBm

MinimumdBm

100 kHz to 20 MHz 17. Set the frequency synthesizer controls as follows:

FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 MHz

SWEEP WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19.9 MHz

AMPLITUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 2 dBm

(Option 001: + 4 dBm)

18.Connect equipment as shown in Figure 2-13. The output of the frequency synthesizer should be connected to SIGNAL INPUT 1.

Option 001: Use HP 11852 Minimum Loss Pad and adapters.

SPECTRUM ANALYZER

FREQUENCY SYNTHESIZER

8IHIAL

#IONAL

INPUT i

IaPuT P

II

l-fADAPTER

OPTIOW 001: MO 80 oHMa/ 78 ON88 PM AW AIDAPTUII

Figure 2-13. Frequency Response Test Setup (100 kHz to 20 MHz)

19.Press ~NSTR PRESET) on the spectrum analyzer. Activate SIGNAL INPUT 1 with the pushbutton.

20.Key in the following spectrum analyzer settings:

Performance Tests 2 - 25