Agilent Technologies Agilent 4396B - Manual (Page 88)

Measuring Transmission Characteristics of a Filter
Insertion loss and gain are ratios of the output to input signals . The
following procedure measures the insertion loss and gain of a 836 MHz
dielectric bandpass lter . This measurement can be used to obtain the
key lter parameters .
Measurement Setup
Connection
Set up the analyzer as shown in Figure 5-1.
Figure 5-1. Transmission Measurement Setup
Analyzer Settings
Press 4 Preset 5 . Then set the analyzer's controls as follows:
Desired Settings K ey Strokes
A ctive Channel
Block
Select channel 1 4 Chan 1 5 (default)
Measurement
block
Select Network Analyzer Press 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
ANALYZER TYPE
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
NETWORK ANALYZER
Select S 21 (or B/R) measurement Press 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Trans:FWD S21 [B/R]
Select LOG MA G format 4 F ormat 5
FFFFFFFFFFFFFFFFFFF
LOG MAG (default)
IF BW 3 kHz 4 Bw/A vg 5 3 4 k/m 5
Sweep block Center frequency 836 MHz Press 4 Center 5 836 4 M/ 5
Span frequency 200 MHz Press 4 Span 5 200 4 M/ 5
P erforming Calibration
P erform a frequency response calibration for this measurement as
follows:
1. Press 4 Cal 5
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CALIBRATE MENU
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RESPONSE .
5-2 Network Measurement Examples