HP 8901B Operation And Calibration Manual page 360

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)
f l
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