Agilent Technologies 8753ES Option 011 Service Manual page 70

Performance Tests
12. Receiver Magnitude Dynamic Accuracy
Figure 2-24 Magnitude Dynamic Accuracy, Channel B
17.To set up the dynamic accuracy measurement, press the following:
•
Meas Trans: FWD S21 (B/R)
•
MKR MODE MENU
Marker Fctn
•
Sweep Setup
18.Wait for the sweep to finish, then press
19.Set the step attenuator to 0 dB.
20.Press
Sweep Setup
21.Press
Format MORE
analyzer's display) in the column marked "Real Part" in the performance test record.
Note that the analyzer will display units as mU, µU, or nU, which are abbreviations for
−3 −6
10 units, 10 units, and 10
22.Press
IMAGINARY
the column marked "Imaginary Part" in the performance test record. Note that the
analyzer will display units as mU, µU, or nU, which are abbreviations for 10
−6
10 units, and 10
23.Repeat steps 19 through 22 for each setting of the step attenuator as written in the
performance test record.
24.For each pair of real and imaginary parts calculate the value given by the formula:
10 log [(Real Part)
10
record in the "Test Port Measurement" column (column "G").
2-54
TRIGGER MENU SINGLE
TRIGGER MENU
. Write the mean value (which appears on the
REAL
−9
units, respectively.
. Write the mean value (which appears on the analyzer's display) in
−9
units, respectively.
2
+ (Imaginary Part)
MKR STATS ON
DATA → MEMORY DATA/MEM
Display
.
SINGLE
2
]. Write the result in the performance test
.
−3
units,
Chapter 2