HP 8591C

I
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Specifications and Test Aids
Cable TV Measurement Specifications and
Characteristics
Precision Frequency Reference (Standard1
Resolution
Accuracy
@55.25 MHz ICh. 21
Q325.25 MHz ICh. 411
e643.25 MHz ICh. 941
100 Hz
ffl.2 x 10v7 x carrier frequency + 110 Hzl
fll7 Hz
f149 Hz
flB7 Hz
Option 704 Frequency Reference*
Resolution
Accuracy
@55.25 MHz ICh. 21
Q325.25 MHz ICh. 411
Q643.25 MHz ICh. 941
l Will not meet FCC frequenq accuracy requirements.
1 kHz
rtl7.5 x IIF x carrier frequency + 110 Hz]
h.524 Hz
f2.55 kHz
34.93 kHz
Yisuako-Aural Carrier Frequency Difference
Difference Range
Resolution
Accuracy
Frequency difference between visual end aural carriers is counted
4.1 to 4.9 MHz
100 Hz
f221 Hz for precision frequency ref lstdt
f254 Hz for Option 704 frequency ref
Visual-Carrier Level
Amplitude Range
Resolution
Absolute Accuracy
Relative Accuracy
The peek amplitude of the visual carrier is measured to en absolute
standard traceable to the National Institute of Standards and Technology.
-15 to +70 dBmV
0.1 dB
f2.0 dB for S/N > 30 dB
fl.0 dB relative to adjacent channels in frequency
%I.5 dB relative to all other channels
Visual-to-Aural Carrier level Difference
Difference Range
Resolution
Accuracy
The difference between peek amplitudes of the visual end aural carrier is
y-
f0.75 dB for S/N > 30 dB
9-4