Performance Testa Model 8901B
Performance
Test
5
AUDIO MEASUREMENTS TESTS
Specification
Characteristic
AUDIO FREQUENCY
COUNTER
Frequency Range
Accuracy(')
~~
AUDIO DISTORTION
Frequency Range
Residual Noise and Distortion('
Accuracy
Sensitivity
AUDIO
RMS
LEVEL
Frequency Range
Voltage Range
Accuracy
Performance Limits
20
Hz to
250
kHz
reference accuracy
f3
digits
reference accuracy
h0.02
Hz
reference accuracy
A0.2
Hz
400
or
1000
Hz
f5%
<0.3%
(-50.4
dB)
fl
dB of reading
1.5%
peak AM
150
Hz peak FM
0.6
rad peak OM
0.1
to
3
Vrms
50
Hz to
40
kHz
0.1
to
3
Vrms
f4%
~
Conditions
>1
kHz rate;
>lo%
AM,
>1.5
kHz FM,
or
>1.5
rad OM;
>lo0
mVrms external
>lo%
AM,
>1.5
kHz FM,
or
>1.5
rad OM;
>lo0
mMms external
<1
kHz
rate;
<3
kHz rate;
or
0.15
to
1.5
rad OM;
3
kHz low-pass filter
1.5
to 10% AM,
0.15
to
1.5
kHz FM,
20
Hz
to
50
kHz bandwidth;
<40°C
modulation
modulation
modulation
external
('1
For demodulated signals, the residual noise generated
by
the Modulation Analyzer must be accounted
for in distortion measurements (that is, residual AM,
FM,
or
QM).
4-20
Performance
Test
5
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