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Table 2-1
Residual noise and distortion for unfloated input
(V in rms, 0 dB=100
%
distortion factor)
Input range
23 V
1 V
0.3 V
Detection
Input signal
level
Ein>1 V
1V>Ein>0.3V
0.3V2Ein>0.1V
Bandwidth BW
IOHz-1 5.99kHz
< -95dB
< -85dB
<-75dB
80kHz BW
5Hz-50kHz
< -85dB
< -75dB
<-65dB
500kHz BW
50kHz-159.9kHz
< -65dB
< -65dB
<-60dB
500kHz BW
Table 2- ■2
Residual noise and distortion for floated inp
(V in rms, 0 dB=100'
%
distortion factor)
iut
Input range
23 V
1 V
0.3 V
Detection
Input signal
level
Ein>1 V
1V>Ein>0.3V
0.3V2Ein>0.1V
Bandwidth BW
10Hz-15.99kHz
< -90dB
< -80dB
<-70dB
80kHz BW
5Hz-50kHz
< -80dB
<-75dB
<-65dB
500kHz BW
50kHz-159.9kHz
<-65dB
<-65dB
<-60dB
500kHz BW
Input Level
Tables 2-1 and 2-2 also show the limitation for the distortion measurement
range.
Input level indicator :
0.3
V
to
100
V f.s.d.
in 6 ranges,
accurate
within +5
1
>
of f.s.d.
Common Mode Rejection
(at 50 Hz, Common for all measurement functions)
iJO dB for differential input voltage of 3 V rms or less
Input Impedance
(Common for all measurement functions)
100 kilohms
shunted by < 150 pF
(each input to common)
Maximum Allowable Input Voltage
(Common for all measurement functions)
Maximum
allowable
input
voltage
between
A
(or
B)
terminal
and
common
connection.
10 V to 100 V f.s.d. ranges : 150 V (DC
+
AC peak)
3 V f.s.d. or lower ranges :
150 V (DC + AC peak) for AC component of 17
kHz or lower.
See Fig.2-1 for higher frequencies.
CM ■
o
CM
o
I
CO
CO
:D
2-2
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