User`s guide

Table Of Contents
186 Agilent E5505A User’s Guide
6
Absolute Measurement Examples
Table 25 Parameter data for the RF synthesizer (EFC) 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)
10 Hz
4 E + 6 Hz
4
Fast
2Sources 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
500 E + 6 Hz
10 dBm
Test Set
500 E +6 Hz
500 E +6 Hz (same as Carrier Source Frequency)
16 dBm
2.5 Hz/V
± 10 Volts
0 Volts
1 E +6 ohms
3Cal Tab
Phase Detector Constant
VCO Tune Constant
Phase Lock Loop Suppression
If Limit is exceeded
Measure Phase Detector Constant
Measure 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 8663A
None
Automatic Detector Selection
Reference Source
EFC
5 Test Set Tab
Input Attenuation
LNA Low Pass Filter
LNA Gain
DC Block
PLL Integrator Attenuation
0 dB
20 MHz (Auto checked)
Auto Gain (Minimum Auto Gain –14 dB)
Not checked
0 dBm