R3765/67G Series Network Analyzer Operation Manual
10.9 Dynamic Level Accuracy
10-59
10.9.4.2 Instruments Required
•
Step attenuator (Range: 0 to 90 dB, Accuracy within 0.02dB)
Recommended model: HP8496B
•
RF cable (SMA(m)/SMA(m) 50
Ω
) quantity=2
Recommended model: A01253-060
•
Adopter (N(m)/SMA(f)) quantity=2
Recommended model: HRM-554S
•
3-dB attenuator (SMA(f)/SMA(m)) quantity=2
Recommended model: AT-103
•
50
Ω
to 75
Ω
conversion adapter (75
Ω
N(m)/50
Ω
N(f))
×
2: 11852B (For OPT 13)
10.9.4.3 Procedure
10.9.4.3.1 TEST PORT 2 Measurement for Dynamic Level Accuracy
(1)
Connect two 3-dB attenuators and step attenuator using the RF cables between TEST
PORT 2 and TEST PORT 3 shown in Figure 10-34.
Figure 10-34 Connections for TEST PORT 2 Measurement
for Dynamic Level Accuracy
(2)
Press [MEAS] and {S23 (P2
←
P3)}.
•
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.
TEST PORT 2
TEST PORT 3
* Connect the 50
Ω
to 75
Ω
conversion adapter to
TESTPORT 1 and 2 for
OPT 13.
Note that the 3 dB fixed
attenuator is not required.
