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Table 7-2
Carrier
VCO Source
Agilent/HP 8662/3A
EFC
DCFM
Agilent/HP 8642A/B
Absolute Measurement Examples
Stable RF Oscillator
a. From the Define menu, choose Measurement; then choose the
Sources tab from the Define Measurement window.
b. Enter the carrier (center) frequency of your UUT (5 MHz to 1.6
GHz). Enter the same frequency for the detector input frequency.
c. Enter the VCO (Nominal) Tuning Constant (see
d. Enter the Tune Range of VCO (see
e. Enter the Center Voltage of VCO (see
f.
Enter the Input Resistance of VCO (see
Tuning Characteristics for Various Sources
Tuning Constant
Freq.
(Hz/V)
υ
5 E – 9 x υ
0
0
FM Deviation
FM Deviation
7-4 Agilent Technologies E5500 Phase Noise Measurement System
Center
Voltage Tuning
Voltage
±
Range (
V)
(V)
0
10
0
10
0
10
Table
7-2).
Table
7-2).
Table
7-2).
Table
7-2).
Input
Tuning
Resistance
Calibration
Ω)
(
Method
1E + 6
Measure
1 K (8662)
Compute
600 (8663)
Compute
600
Compute
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