All pulse modulation specifications and supplemental characteristics apply during use of
internal pulse source.
T,,
Video Delay (Variable)
Tr
RF Pulse Rise Time
T,
Video Pulse Width (Variable)
Tf
RF Pulse Fall Time
T,
Pulse Period (Variable)
Vor
Overshoot and Ringing
Tm
RF Delay
Vf
Video Feethrough
Trf
RF Pulse Width
Frequency Modulation
Rates: 1
kHz
to 1 MHz
Flatness:
f2
dB
Maximum Deviation (with sine-wave modulation only): 10 MHz peak, 2
-
20
GHz.
5
MHz peak, 1
-
2
GHz.
2.5 MHz peak, 500
M.Hz
-
1
GHz.
1.25 MHz
peak, 256
-
500 MHz. Maximum deviation decreases by a factor of 2 for each octave below
256 MHz.
Modulation
I!ndex:
>
300,2
-
20
GHz.
>150,1-
2
GIi&
>75,500
MHz
-
1
GHz.
>37,
256
-
500
MHz.
Modulation index decreuses bg a
factor of
2
for
each
octave
beluw
256 MHz.
FMSensititity
Accuw:
&2i5%
typioal
at 100
k&l&
Iti&ental
AM.. < 5%
FM
Input Impedance:
6000
rwmin4zl
Harmonic Distortion:
<
1% (1
MEi9
peak
deviation
@
100
kHz
rate)
Logarithmic Amplitude Modulation (Scan Modulation)
Maximum Depth:
>
60
dE3
sensitivity:
-10
dBfl;
(0 to
+6
Vfor
0 to -60
dBc)
StepReqxnse(5OdBchungeinlevel):
riseandfall<5ps,
1
GElzt~20GIZ.z.
Rise<lOpq
<l
GHz.
Rzll<20
ps,
<l
GI&
Input
Impedunce:
5oooc1
nominal
Maximum Leveled
Output
Fbwer
in Log AM
Mode
(relative to CW):
<lGBk
I-4GHzI
>4G&
OdB
-4.5dB
1
-l.OdB
HP83731Al32ASpecifications
l-18