Kenwood FC-757 Instruction Manual page 5

Universal counter
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Single-shot
pulse
W a i t
processing
[Event input Total
Measurement ( A ) ]
Measurement
range
5Hz to
M a x i m u m
t o t a l count
0 to
Control
Reset/Hold control f r o m
f r o n t panel.
except f o r
S t a r t / S t o p
is ' I n A c t i v e (active
[ I n p u t C h a r a c t e r i s t i c s (channel
Frequency band
w i d t h
5Hz to
(Coupling : A C coupling)
S e n s i t i v i t y (sine w a v e )
kHz mode :
2 0 m V r . m . s .
M H z
5 0 m V r . m . s .
100mVr.m.s. (125MHz to 150MHz)
150mVr.m.s. (150MHz to 175MHz)
Impedance
1 . 2 M O , 40pF or
M a x i m u m
input voltage 2 5 0 V r . m . s . a t (5Hz to 60Hz)
by reset
10MHz
99,999,999
the
A l w a y
active
the case where
the
input t e r m i n a l
level
high).
A ) ]
175MHz
(5Hz to 10MHz)
mode :
( 5 M H z to 125MHz)
less
A t t e n u a t i o n
x 1 ( 1 / 1 ) ,
L o w pass f i l t e r
10kHz, - 3 d B
slope
+/— selectable
Trigger
level
Presetable or
(about ± 1V)
[Input Characteristics (Channel
Frequency band
w i d t h
5Hz to 2MHz
(Coupling : A C coupling)
S e n s i t i v i t y (sine w a v e )
3 0 m V r . m . s .
Impedance
1 . 2 M O ,
M a x i m u m
input
125Vr.m.s. a t (5Hz to 60Hz)
voltage
A t t e n u a t i o n
X 1 ( 1 / 1 ) , X10 (1/10)
Slope
+ / -
[Reference
Oscillator]
Oscillation
frequency
10.0MHz (5Hz to 175MHz)
x 1 0 ( 1 x 1 0 )
variable
B ) ]
40pF or
less
selectable
5

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