User`s guide

7-22
Agilent Technologies E5500 Phase Noise Measurement System
Absolute Measurement Examples
Stable RF Oscillator
Table 7-4 Parameter Data for the Stable RF Oscillator Measurement
Step Parameters Data
1 Type and Range Tab
Measurement Type
Start Frequency
Stop Frequency
Averages
•Quality
FFT Analyzer Measurement
Mode
Absolute Phase Noise (using a phase locked loop)
•1Hz
•100E+6Hz
•4
•Normal
Use Multiple Time Segments
2 Sources Tab
Carrier Source Frequency
Carrier Source Power
Carrier Source Output is
connected to:
Detector Input Frequency
Reference Source Frequency
Reference Source Power
Nominal Tune Constant
Tune Range +/-
Center Voltage
Input Resistance
Maximum Allowed Deviation
from Center Voltage
•100E+6Hz
•8dBm
Test Set
•100E+6Hz
100 E +6 Hz (same as Carrier Source Frequency)
•16dBm
•40E+3Hz/V
•+/-10Volts
•0Volts
•1E+6ohms
•1Volts
3CalTab
Phase Detector Constant
VCO Tune Constant
Phase Lock Loop Suppression
Measure Phase Detector Constant
Calculate VCO Tune Constant
Verify calculated phase locked loop suppression
4 Block Diagram Tab
Carrier Source
Downconverter
Reference Source
Timebase
Phase Detector
Test Set Tune Voltage Output
Test Set Tune Voltage
Destination
VCO Tune Mode
•None
•None
Agilent/HP 8662A
•None
Automatic Detector Selection
Front Panel
Reference Source
DCFM