HP 4395A - Page 44

Figure 2-5. Power Sweep Linearity Test Setup
4.
Press 4
Meas
5 ,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALYZER TYPE ,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NETWORK ANALYZER , 4
Preset
5 to initialize the HP 4395A. Then
set the controls as follows:
Control Settings Key Strokes
Power Sweep
4
Sweep
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SWEEP TYPE MENU ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
POWER SWEEP
CW Frequency: 50 MHz
4
Source
5 ,
NNNNNNNNNNNNNNNNNNNNNNN
CW FREQ , 4
5
5 , 4
0
5 , 4
M/ 
5
Start Power: 0 50 dBm 4
Start
5 , 4
-
5 , 4
5
5 , 4
0
5 , 4
x1
5
Stop Power: 0 30 dBm 4
Stop
5 , 4
-
5 , 4
3
5 , 4
0
5 , 4
x1
5
Number of Points: 5
4
Sweep
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NUMBER of POINTS , 4
5
5 , 4
x1
5
Trigger: Manual
4
Trigger
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRIGGER[xxx] ,
NNNNNNNNNNNNNNNNNNNN
MANUAL
Trigger Event:On Point
4
Trigger
5 ,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRIGGER[xxx] ,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRIG EVENT [ON SWEEP]
(Then the softkey label changes to
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRIGGER [ON POINT]
5.
Press 4
Trigger
5 ,
NNNNNNNNNNNNNNNNNNNN
SINGLE ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
TRIGGER:[MANUAL] ,
NNNNNNNNNNNNNNNNNNNN
MANUAL to start a power sweep and to set the
HP 4395A power to the rst sweep point of 0 50 dBm listed in Table 2-4. Table 2-4 lists test
settings.Verify that the step attenuator is set to 10 dB
.
Table 2-4. Power Sweep Linearity Test Settings 1
HP 4395A
Source Power
Step Attenuator
0 50 dBm 10 dB
0 45 dBm 10 dB
0 40 dBm 10 dB
0 35 dBm 10 dB
0 30 dBm 10 dB
6. Wait for the power meter reading to settle
.
2-12 Performance Tests