Specifications

Table 3-4. Parameter Data for Pulsed Carrier Absolute Phase Noise Measurement with a Downconverter
Step Parameters Data
1 Type and Range Tab
Measurement Type Absolute Phase Noise (using a phase-locked loop)
Couple Graph Type Checked
Start Offset Frequency 10 Hz
Stop Offset Frequency 20E+3
FFT Minimum Number of Averages 4
FFT Quality Normal
Swept Quality Fast
2 Sources Tab
Carrier Source Frequency 1.5E+9 Hz
Carrier Source Power 7
Power 7
Detector Input Frequency 300 E+6 Hz
Reference Source Power 16 dBm
Detector Input Freq =
Ref Freq multiplied by 1/1
Nominal Tune Constant 75 Hz/V
Tune Range 1
Center Voltage 0
Input Resistance 600 ohms
3 Cal Tab
Phase Detector Constant Measure phase detector constant
VCO Tune Constant Calculate from expected
Verify calculated phase-
locked loop suppression Not Checked
Always Show Suppression Graph Not Checked
4 Block Diagram Tab
Carrier Source Manual
Downconverter System Control Selected
Reference Source Manual
Phase Detector Test Set RF Phase Detector
Test Set Tune Voltage Destination Downconverter
VCO Tune Mode DCFM
5 Test Set Tab
Input Attenuation (Option 001 only) Set to provide appropriate power level to phase detector
LNA Low-Pass Filter 20 kHz
Auto Not Checked
DC Block Not Checked
LNA Gain Auto Gain Selected
Ignore Out-of-Lock Conditions Checked
Pulsed Carrier Checked
PLL Integration Attenuation 12 dB
6 Downconverter Tab
Input Frequency 1.5 E+9
LO Frequency Auto Selected
IF Gain Auto Selected
Input Attenuation 0
Microwave/Millimeter Band Microwave (0 – 26.5)
LO Power 10 dBm
Reference Chain Reference 10 MHz
External Tune Enable Checked
100 MHz PLL Bandwidth 126 Hz
600 MHz PLL Bandwidth 10000 Hz
7 Graph Tab
Title Pulsed 83732B vs 8663A EFC 20 kHz PRF 10% Duty Cycle
Graph Type Single-Sideband Phase Noise (dBc/Hz)
X Scale Minimum 10
X Scale Maximum 100 E+6
Y Scale Maximum 0
Y Scale Minimum –170
Normalize Trace Data 1
Scale Trace Data 1
Shift Trace Data 0
Trace Smoothing Amount 0
Power Present At Input of DUT 0