9. Tracking Generator Power Level Adjustments

SPECTRUM ANALYZER

POWER SENSOR

MEASURING RECEIVER

mj

- 1 0 db A D J

\

SJll

0 db ADJ

Figure 2-12. Tracking Generator Power Level Adjustments Setup and Adjustment Locations

2.Connect the Type N cable between the RF OUT 500 and RF INPUT 50R connectors on the HP 8560A.

3.Press (PRESET) on the HP 8560A and set the controls as follows:

CENTER FREQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 MHz SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OHz

4.On the HP 8560A,press (K),(AUXCTRTI), TRACKING GENRATOR, SRC PWR ON ,@,and m.

5.On the HP 8560A, press MORE 1 OF 3 , TRACKING PEAK. Wait for the “PEAKING” message to disappear.

6.Zero and calibrate the measuring receiver/power sensor combination in log mode (power levels readout in dBm). Enter the power sensor’s 300 MHz Cal Factor into the measuring receiver.

7.Disconnect the Type N cable from the RF OUT 50R and connect the power sensor to the RF OUT 5Ofl.

8.On the HP 8560A, press @, m, and (mSWP).

9.Adjust AlOR -10 dB ADJ for a 0 dBm +/-.05dB reading on the measuring receiver.

Adjustment Procedures 2-43