R3765/67G Series Network Analyzer Operation Manual
10.9 Dynamic Level Accuracy
10-57
10.9.3.3.2 TEST PORT 1 Measurement for Dynamic Level Accuracy
(1)
Connect two 3-dB attenuators and step attenuator using the RF cables between TEST
PORT 1 and TEST PORT 2 shown in Figure 10-33.
Figure 10-33 Connections for TEST PORT 1 Measurement
for Dynamic Level Accuracy
(2)
Press [MEAS] and {S12 TRANS REV}.
•
Dynamic level accuracy at 50 MHz
(3)
Press [CENTER], [5], [0] and [MHz] to set the center frequency to 50 MHz.
(4)
Press [SPAN], [0] and [x1] to set the span to 0 MHz.
(5)
Press [AVG], {IF RBW}, [1], [0], [0] and [x1] to set the RBW to 100 Hz.
(6)
Press [MKR] to set the marker on.
(7)
Press [MENU], {POWER}, [1], [0] and [x1] to set the output level to 10 dBm.
Set a value as shown below according to the options used.
OPT 10:
5 dBm
OPT 10+OPT 12: -1 dBm
OPT 12:
4 dBm
(8)
Set the step attenuator to 20 dB.
(9)
Press [CAL] and {NORMALIZE (THRU)} to do normalization.
(10) Set the step attenuator to 10 dB.
(11) Read out the marker level.
(12) Repeat steps (10) and (11) on each set level listed on Table 10-4.
* Connect the 50
Ω
to 75
Ω
conversion adapter to
TESTPORT 1 and 2 for
OPT 12.
Note that the 3 dB fixed
attenuator is not required.
