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Tuning Characteristics of Various VCO Source Options
Table 55 Tuning parameters for several VCO options
VCO Source
Agilent 8662/3A
•
EFC
•
DCFM
Agilent 8642A/B
Agilent 8643A/44B
Agilent 8664A
Agilent 8665A/B
Other Signal Generator
DCFM Calibrated for ±1V
Other User VCO Source
Exceeding 5 volts maximum voltage tuning range for the 8664A and 8665A/B may
C A UTI ON
damage equipment.
Agilent E5505A User's Guide
Carrier
Tuning Constant
Freq.
(Hz/V)
υ
5 E – 9 x υ
0
0
FM Deviation
FM Deviation
FM Deviation
FM Deviation
FM Deviation
Estimated
within a factor
of 2
Center
Voltage Tuning
±
Voltage (V)
Range (
V)
0
10
0
10
0
10
0
10
0
5 (See Caution
Below)
0
10
–10 to +10
See
"Tune Range of
VCO for Center
Voltage"
on page 367
Reference Graphs and Tables
Input
Tuning
Resistance
Calibration
Ω)
(
Method
1E + 6
Measure
1 k (8662)
Calculate
600 (8663)
Calculate
600
Calculate
600
Calculate
600
Calculate
R
Calculate
in
1 E + 6
Measure
16
371
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