Frequency Modulation
Rates:
1kHztolMHz
Flatness:
f2
dl3
able
1-7. Maximum Deviation (with sine-wave modulation only)
Fkeqneney
Maximum Deviation
2GHzto2OGHz
1oMHzpeak
lGHzto<2GHz
6MHzpeak
60OMHzt~<lGHz
2.6 MHz peak
266MI-kto<6OOMHz
1.26 MHz peak
Maxhnum deviation decreases by a factor of 2 for each octave below 256 MHz.
‘Ihble
1-8. Modulation Index
Sensitivity:
7 ranges, selectable
~1
64 MHz to <256
MHz
626, 312, 187, 62.6, 18.7, 6.26, 1.87
10 MHz to <16 MHz 78.1, 39.0, 23.4, 7.81, 2.34, 0.781, 0.234
kIWV
FMSensitiwity
Aceam:
flO%
typical
at
100
kH2
Inci&ental
AM:
<
5%
l?Mhpui
Impedance:
6003
nominal
Harmonic
LXstorthn:
~1%(lMEzpeukdewiution@1OOkHzrate)
Linear Amplitude Modulation
Sensitivity:
2 ranges, selectable:
SO%Npk
and
lOO%/Vpk
Sensitivity Accuracy:
(1
l0Zz)
f8%
of
value
&.Z%,
(15 to 35 “C)
Maximum Depth: 90%
Bandwidth:
(3@30%
depth)DCtolOOkEz
Incidental Phase Modulation:
(30%
depth) 0.4
radians
peak
Maximum Carrier Level in Linear AM Mode (Relative to CW):
With modulation: degrades up to 6
dB,
depending on depth.
HP 83731
B/328
Specifications
l-29
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