Specifications
A–2
2715 User Manual
Table A–1: CATV Characteristics
Characteristic
Description
Input Configuration
All except Option 50
75
Female F connector
Option 50
50
Type N connector
Channel Selection
The visual and aural carriers are displayed when the channel number is entered, or
either [
y
] or [
b
] next to [CHAN/FREQ] is pressed
Tune Configuration
STD (73.603), HRC (73.605), IRC (73.612), and Custom
1
Channel Range
0 to 999
1
Frequency Range
(except Opt 50 and Opt 75)
1 MHz to 1.8 GHz
2
, Preamp limited to 600 MHz
Frequency Range
(Opt 50 and Opt 75)
1 MHz to 2.15 GHz
2
, Preamp limited to 600 MHz
Visual Carrier Frequency Measurement
Accuracy is dependent on the accuracy of the spectrum analyzer — see Frequency
Accuracy in Table A–2.
Method
Internal Counter
Resolution
1 Hz
Accuracy
5
×
10
–7
×
Carrier Frequency
±
10 Hz,
±
1 Least Significant Digit
@ 55.25 MHz (Ch 2) worst case is
±
38 Hz
@ 325.25 MHz (Ch 41) worst case is
±
173 Hz
@ 643.25 MHz (Ch 94) worst case is
±
332 Hz
Visual-to-Aural Carrier Frequency Measurement
Aural carrier measured relative to the visual carrier
Method
Internal Counter
Difference Range
1 MHz to 10 MHz
3
for an amplitude difference of
≤
30 dB and aural C/N
≥
15 dB
(300 kHz RBW)
Resolution
1 Hz
Accuracy
±
15 Hz for visual-to-aural carrier difference
≤
8 MHz
Visual Carrier Peak Level Measurement
Absolute peak amplitude of visual carrier measured with PREAMP OFF
Accurate Frequency and
Amplitude
Visual carrier frequency measurement
Visual-to-aural carrier frequency measurement
Visual carrier peak level measurement
Visual-to-aural carrier level difference measurement
Accurate Amplitude Only
Visual carrier peak level measurement
Visual-to-aural carrier level difference measurement
Fast Amplitude Only
Carrier amplitudes are measured using marker values in 10 dB/div vertical scale
Amplitude Range
–18 dBmV to +58.8 dBmV
4
for visual C/N
≥
30 dB (300 kHz RBW)
1
Configured using Cable TV RF Measurements Software.
2
Dependent on selected channel table. Frequencies above 1.8 GHz are not supported by the Cable TV RF Measurements
Software.
3
Dependent on selected channel table.
4
Total input power (all signals included) cannot 70 dBmV.
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