Wegener Communications 4422 - Manual (Page 18)

Page 18
UTY4422-002 Page 18 of 72
Table 2. Video Resolution Requirements
NTSC PAL
720H x 480V (Full Resolution) 720H x 576V
544H x 480V (3/4 Resolution) 544H x 576V
480H x 480V 480H x 576V
352H x 480V (1/2 Resolution) 352H x 576V
352H x 240V 352H x 288V
2.3.5 Video Specifications
NTSC video performance is specified below at a 9 Mbps video PES rate, 720Hx480V
resolution.
Table 3. Video Specifications
Parameter Production Specification
Signal Type NTSC PAL
Output Level 1.0 Vp-p, ± 2% 1.0 Vp-p, ± 2%
Output Impedance 75 Ohms 75 Ohms
Multiburst NTSC From 0.5 to 4.2
MHz:
≤+0/−1.0 dB
From 0.5 to 4.8
MHz:
≤+0/−1.2 dB
Differential Gain ≤ 4 IRE ≤ 4 IRE
Differential Phase ≤ 1.5° ≤ 1.5°
L/C Gain Inequality ≤ ± 4 IRE ≤ ± 4 IRE
L/C Delay Inequality ≤ ± 26 nS ≤ ± 26 nS
Line Time W-form Distortion ≤ 1 IRE p-p ≤ 1 IRE p-p
Field Time W-form Distortion ≤ 3 IRE p-p ≤ 3 IRE p-p
Video S/N Weighted ≥ 56 dB ≥ 56 dB
2.3.6 Audio Specifications
Audio performance is specified below at a compressed-audio PES rate of 256 kbps.