Video Specifications; Audio Specifications - Wegener UNITY4000 Instruction Manual

Mpeg video integrated receiver decoder
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2.3.7

Video Specifications

NTSC video performance is specified below for use with NDS System 3000 at a 9 Mbps video
PES rate, maximum resolution.
Parameter
Signal Type
Output Level
Output Impedance
Multiburst NTSC (0.5 to 4.2 MHz)
Differential Gain
Differential Phase
L/C Gain Inequality
L/C Delay Inequality
Line Time W-form Distortion
Field Time W-form Distortion
Video S/N Weighted
2.3.8

Audio Specifications

Audio performance is specified below for use with NDS System 3000 at a compressed-audio
PES rate of 256 kbps.
Parameter
Output Level-MAX PPL
Impedance
Frequency Response
Phase accuracy
Harmonic Distortion (1 kHz
test-tone, 1 dB below PPL)
S/N Ratio
Dynamic Range
A/V Sync
Table 2-4. Video Specifications
Production Specification
Composite
1.0 Vp-p, ± 2%
75 Ohms
NTSC (0.5-4.2 MHz) ≤ ± 0.5 dB
PAL (0.5-4.8 MHz) ≤ ± 0.6 dB
≤ 4 IRE
≤ 1.5°
≤ ± 4 IRE
≤ ± 26 nS
≤ 1 IRE p-p
≤ 3 IRE p-p
≥ 56 dB
Table 2-5. Audio Specifications
Specification (each channel of stereo pair)
+14.0 ±0.5 dBm into 600 ohms,
level at 0 dB audio attenuation
Balanced: < 60 Ohms
20Hz to 20 kHz, + 0.5/-1.5 dB
50Hz to 15 kHz, ± 0.5 dB
50 Hz to 15 kHz, ≤ ± 2° from linear phase
≤0.5 %
≥ 80 dB (22 Hz to 20 KHz) unweighted
16 bits
≤ ± 50 mS error
2-5
UTY4000-003

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