51. Power Sweep Range, HP 8593EM, HP 8594EM, HP 8595EM, and HP 8596EM

Procedure

1.Connect the equipment as shown in Figure 2-75. Do not connect the power sensor to the power splitter at this time.

2.Press 4PRESET5 on the EMC analyzer, then wait for the preset routine to ￿nish. Set the EMC analyzer by pressing the following keys:

4FREQUENCY5 Band Lock 0-2.9 Gz BAND 0

The HP 8594EM does not need to be band locked.

4FREQUENCY5 300 4MHz5

4SPAN5 0 4Hz5

4BW5 IF BW AUTO MAN (MAN) 30 4kHz5

4MKR5

4AUX/USER5 Track Gen SRC PWR ON OFF (ON) 102 4dB￿V5

3.On the EMC analyzer, press TRACKING PEAK , then wait for the PEAKING! message to disappear.

4.Zero and calibrate the power-sensor/measuring-receiver in log mode (power levels read out in dBm). Refer to the measuring receiver operation manual. Enter the power sensor 300 MHz Cal Factor into the measuring receiver.

Connect the power sensor to the power splitter. See Figure 2-75.

5.On the EMC analyzer, press the following keys:

SRC PWR ON OFF (ON) 97 4dB￿V5

SRC ATN MAN AUTO (MAN) 0 4dB5

PWR SWP ON OFF (ON) 10 4dB5

4AMPLITUDE5 SCALE LOG LIN (LOG) 2 4dB5

Press REF LVL on the EMC analyzer, then adjust the reference level until the peak of the displayed ramp (along the right-most graticule) is one-half division down from the reference level.

6.Press 4MKR5, MARKER NORMAL . Use the knob to place the marker at the left-most graticule line. The marker should read 0 picosecond. Press

MARKER 1 .

7.Press 4AUX/USER5, Track Gen , PWR SWP ON OFF (OFF) to set power sweep o￿. The 1MKR should read 0 dB 60.1 dB. If it does not, press

2-332 Performance Veri￿cation Tests