Nuomm NEWSCASTER VT2 - Modulation Modes and Performance

NewsCaster VT2 Specifications & Frequency Plans
M17-0002-01A Rev 0.0 20 User Manual
NEWSCASTER VT2 Specifications (continued)
Modulation Modes
COFDM
Modulation Formats:............................................ COFDM; QPSK, 16QAM, 64 QAM
Code Rate: ........................................................... 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval:..................................................... 1/32, 1/16, 1/8, 1/4
Bandwidth: .......................................................... 6 MHz, 7 MHz, and 8 MHz
Analog
Analog FM:.......................................................... 2 field tunable sub-carriers (optional 4)
Modulation Deviation (field selectable):............... 3 MHz/volt or 4 MHz/volt
VSB
Modulation Formats............................................. 2VSB, 4VSB, 8VSB, 8TVSB
Video & Digital Input Performance:
Analog Video Mode:
Video:..........................................................525/625 lines NTSC/PAL field selectable
1V p-p for ± 4 MHz deviation
1 V p-p for ± 3 MHz deviation
(Video input sensitivity switchable)
Pre-emphasis or Flat:................................Field selectable
Pre-emphasis:...........................................NTSC/PAL-B, G, or M (field selectable)
Video Low-Pass-Filter (field selectable):..3.9, 4.5, 4.75 and 5.6MHz
Frequency Response:................................0.5 dB (10 Hz to video filter selected)
Base-Band Response:...............................1.0 dB (10 Hz to 10 MHz)
Signal-to-noise ratio:................................69 dB typical (65 dB minimum)
Differential Phase:....................................± 1.0 degrees
Differential Gain: .....................................± 1.0 %
Digital Video Mode:
Composite Video:
1V p-p Maximum input
Frequency Response:................................0.5 dB (10 Hz to 20 kHz)
Base-Band Response:...............................1.0 dB (10 Hz to 10 MHz)
Signal-to-noise ratio:................................69 dB typical (65 dB minimum)
Differential Phase:....................................± 0.5 degrees
Differential Gain: .....................................± 0.5 %
SDI and ASI.................................................0.80 Volts p-p
Digital and Analog Modes:
Input impedance:..........................................75 
Return loss:..................................................–26 dB (10 Hz to 5 MHz)