Agilent Technologies Agilent 4396B - Manual (Page 73)

6.
Press 4 Ma rk er 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESET MKRS when you are nished with this
measurement.
Tracking a Drifting Signal
When measuring a drifting signal, the analyzer can lose the signal.
However , the analyzer can track a drifting signal by changing the
sweep parameter values sweep by sweep .
T est Signal The following test signal is used in this example .
Frequency: 900 MHz (not stable)
Measurement Setup
Connection
Connect the test signal to the S input.
Analyzer Settings
1. 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 Spectrum Analyzer Press 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
ANALYZER TYPE
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
SPECTRUM ANALYZER
Select S input 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFF
SPECTRUM:S (default)
Sweep Block Center frequency 900 MHz Press 4 Center 5 900 4 M/ 5
Span frequency 20 kHz Press 4 Span 5 20 4 k/m 5
2. Set channel 2 the same as channel 1 as follows:
Desired Settings K ey Strokes
A ctive Channel
Block
Select channel 2 4 Chan 2 5
Measurement
Block
Select Spectrum Analyzer Press 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
ANALYZER TYPE
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
SPECTRUM ANALYZER
Select S input 4 Meas 5
FFFFFFFFFFFFFFFFFFFFFFFFFF
SPECTRUM:S (default)
Sweep Block Center frequency 900 MHz Press 4 Center 5 900 4 M/ 5
Span frequency 20 kHz Press 4 Span 5 20 4 k/m 5
Spectrum Measurement Examples 4-5