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Appendix A
Specifications
Input frequency
HRC/IRC frequency assignments
Number of channels:
Analog
Digital
Input analog video level
Input analog sound level
Average digital input level
Data carrier:
Frequency
Bandwidth
Level
Video s/n
Output frequency accuracy
Return loss:
Input
Output
Spurious output
Cross-modulation distortion
Composite second order distortion
Second order distortion
Composite triple beat distortion
Set-top input beats (with all input signals)
Hum modulation distortion
Output level
Isolation (input/output)
Differential phase
On-screen display (OSD):
Screen size
Message/barker capacity
Mechanical security
Operating environment range:
Temperature
Humidity
54 – 860 MHz (excluding data carrier frequency)
Downloadable
136 carriers per cable
1 channel per carrier
More than 1 channel per carrier, content dependent
0 dBmV – +15 dBmV
–17 dBmV – +2 dBmV
–10 dBmV – +5 dBmV
QPSK-modulated carrier
Agile
1.5 MHz
–10 dBmV – +5 dBmV
49 dB @ 0 dBmV input level
±150 kHz
6 dB minimum
8 dB minimum
–57 dBc maximum, in band
–56 dB (136 channels, each @ +15 dBmV)
–57 dB (136 channels, each @ +15 dBmV)
–60 dB (136 channels, each @ +15 dBmV)
–57 dB (136 channels, each @ +15 dBmV)
–25 dB (136 channels, each @ +15 dBmV)
3 IRE
10 - 15 dBmV
70 dB minimum
10 degrees (maximum)
352 x 480 pixels (configuration dependent)
Up to 40 pages (configuration dependent)
Standard: security screws, unichassis construction
0° – 40°C (32° through 104°F)
5 – 95% (noncondensing)
DCT1700 Installation Manual
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