Nucomm CHANNELMASTER TX7 - Page 21

Revision 1.03
Specifications and Frequency Plans 3-3
FM Modulator:
Video
Video:................................................... 525/625 lines NTSC/PAL field selectable
Composite input:.................................. 75Ω, 1Vp-p, NTSC/PAL
SDI input: ............................................. ANSI/SMPTE 259M Level C
270Mb/s, 525/626 Component
Video Deviation:................................... 1V p-p for ± 4 MHz deviation
0.75 V p-p for ± 3 MHz deviation (Selectable)
Video Emphasis:.................................. NTSC/PAL/Bypass (CCIR 405)
Video Low Pass Filter:......................... 3.9, 4.5, 4.75 and 5.6MHz (Selectable)
Frequency Response: ......................... ±0.25 dB (10 Hz to video filter selected)
Base-Band Response:......................... ±0.5 dB (10 Hz to 8 MHz)
Signal-to-noise:.................................... 68 dB (weighted per RS-250C)
Signal-to-Hum:..................................... 63 dB (weighted per RS-250C)
Differential Phase: ............................... ± 1.0 degrees
Differential Gain:.................................. ± 1.0 %
Audio
Audio Channels: .................................. 2 tunable subcarriers (4.83 – 9MHz 10KHz
steps) 4 optional
Audio Input:.......................................... Line, Gain selectable (10dB), 600Ω
AES/EBU;, 150Ω Balanced
(0dBFS = +18dBm)
DeEmbedded from SDI; (4 Channels)
(0dBFS = +18dBm)
Tone; 1KHz @ +8dBm adjustable
Line/Mic; Input range: -4dB and 41dB
with selectable 10V Phantom Power
Audio Deviation:................................... NTSC: 1KHz, +8dBm will deviate ±75KHz
PAL: 1KHz, +12dBm will deviate ±100KHz
Frequency Response: ......................... 40Hz – 10KHz: ± 0.5dB
40Hz – 15KHz: ± 1.0dB
Audio THD: .......................................... 0. 5% @ 1KHz, +8dBm
Signal-Noise: ....................................... 65dB
Emphasis:............................................ 50µs/75 µs (Follows Video)