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5
Expanding Your Measurement Experience
Testing the Agilent 8644B Internal/External 10 MHz
Table 5-8
Parameter Data for the Agilent 8644B 10 MHz Measurement
Step
Parameters
1
Type and Range Tab
• Measurement Type
• Start Frequency
• Stop Frequency
• Minimum Number of Averages
• FFT Quality
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
3
Cal Tab
• Phase Detector Constant
• VCO Tune Constant
• Phase Lock Loop Suppression
• If Limit is exceeded
4
Block Diagram Tab
• Carrier Source
• Downconverter
• Reference Source
• Timebase
• Phase Detector
• Test Set Tune Voltage
Destination
• VCO Tune Mode
5-42
E5500 Phase Noise Measurement System Version A.02.00
Data
• Absolute Phase Noise (using a phase locked loop)
• 10 Hz
*
• 2 E + 6 Hz
• 4
• Fast
• 10 E + 6 Hz
• 7 dBm
• Test Set
• 10 E +6 Hz
• 10 E +6 Hz (same as Carrier Source Frequency)
• 16 dBm
• 1 E +3 Hz/V
• +/- 10 Volts
• 0 Volts
• 600 ohms
• Measure Phase Detector Constant
• Calculate from expected VCO Tune Constant
• Verify calculated phase locked loop suppression
• Show Suppression Graph
• Manual
• None
• Agilent 8644B
• None
• Automatic Detector Selection
• Reference Source
• DCFM
Document Part No. E5500-90024 Ed. 1.0
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