User`s guide

5-54 Agilent Technologies E5500 Phase Noise Measurement System
Expanding Your Measurement Experience
Testing the Agilent/HP 8644B Internal/External 10 MHz
Table 5-8 Parameter Data for the Agilent/HP 8644B 10 MHz Measurement
Step Parameters Data
1 Type and Range Tab
Measurement Type
• Start Frequency
• Stop Frequency
• Minimum Number of Averages
FFT Quality
• Absolute Phase Noise (using a phase locked loop)
•10Hz
•2E+6Hz
1
•4
•Fast
2 Sources Tab
Carrier Source
• Frequency
• Power
• Carrier Source Output is
connected to:
Detector Input
• Frequency
Reference Source
• Frequency
• Reference Source Power
VCO Tuning Parameters
• Nominal Tune Constant
• Tune Range +/-
• Center Voltage
• Input Resistance
•10E+6Hz
•7dBm
• Test Set
•10E+6Hz
• 10 E +6 Hz (same as Carrier Source Frequency)
•16dBm
•1E+3Hz/V
•+/-10Volts
•0Volts
•600ohms
3CalTab
• Phase Detector Constant
• VCO Tune Constant
• Phase Lock Loop Suppression
• If Limit is exceeded
• Measure Phase Detector Constant
• Calculate from expected VCO Tune Constant
• Verify calculated phase locked loop suppression
• Show Suppression Graph
4 Block Diagram Tab
• Carrier Source
• Downconverter
• Reference Source
• Timebase
• Phase Detector
• Test Set Tune Voltage
Destination
• VCO Tune Mode
• Manual
•None
• Agilent/HP 8644B
•None
• Automatic Detector Selection
• Reference Source
• DCFM