User`s guide

Agilent Technologies E5500 Phase Noise Measurement System 18-13
Reference Graphs and Tables
Tuning Characteristics of Various VCO Source Options
Tuning Characteristics of Various VCO Source
Options
The table shown above lists tuning parameters for several VCO options.
VCO Source
Carrier
Freq.
Tuning Constant
(Hz/V)
Center
Voltag
e (V)
Voltage Tuning
Range (
± V)
Input
Resistance
(
Ω)
Tuning
Calibration
Method
Agilent/HP 8662/3A
EFC
DCFM
υ
0
5E–9xυ
0
FM Deviation
0
0
10
10
1E + 6
1 k (8662)
600 (8663)
Measure
Calculate
Calculate
Agilent/HP 8642A/B FM Deviation 0 10 600 Calculate
Agilent/HP
8643A/44B
FM Deviation 0 10 600 Calculate
Agilent/HP 8664A
Agilent/HP 8665A/B
FM Deviation 0 5
1
( See Caution
Below
)
600 Calculate
Other Signal
Generator
DCFM Calibrated for
±1V
FM Deviation 0 10 R
in
Calculate
Other User VCO
Source
Estimated within a
factor of 2
–10 to
+10
See “Tune Range
of VCO vs. Center
Voltage” on
page 18-9
1 E + 6 Measure
1
Caution: Exceeding 5 volts maximum may damage equipment.