Barco PULSAR BG, User Manual

Page: 9 / 126

P
ULSAR
BG Specifications
Page 2-3
IRT two carrier stereo
•
IF sound carriers 33.4 MHz and 33.158 MHz
•
Preemphasis 50 µs
•
Frequency response 30 Hz - 15 kHz; tolerance : ± 0.5 dB; ref. = 100 Hz
•
Distortion 30 Hz - 15 kHz at ± 30 kHz deviation: < 0.5%
•
S/N ratio
≥
62 dB (Quasi Peak Detector) at ± 30 kHz deviation @
1 kHz audio signal; Video : sync only
•
Crosstalk Dual sound at 1 kHz:> 60 dB
Stereo at 1 kHz :
>
36 dB
2.7 Video modulation spec.’s (measured in RF)
Measured with modulation depth : 90%
DC restoration : Back-porch
WORST CASE TYPICAL
1 Luminance Bar Ampl. (rel. to 0.7 V)
≤
±2%
≤
±1%
2 Base line distortion
≤
±2%
≤
±1%
3 Luminance bar tilt
≤
±2%
≤
±1%
4 2T Amplitude
≤
±3%
≤
±1%
5 Line time non linearity
≤
±2%
≤
±1%
6 Color SubC on CCIR 331
≤
±5%
≤
±2%
7 Color SubC on 20T
≤
±5%
≤
±2%
8 Intermod. on CCIR 331
≤
±2%
≤
±1%
9 Intermod. on 20T
≤
±2%
≤
±1%
10 Chrominance to luminance delay
≤
± 25 ns ± 25 ns
11 Residual picture carr. 10% ±1.5%
12 S/N ratio (unweighted)
≥
59 dB 60 dB
13 Differential gain
≤
±2%
≤
±1%
14 Differential phase
≤
±2°
≤
±1°
15 Sync pulse amplitude
≤
±3%
≤
±2%
16 Burst amplitude
≤
±5%
≤
±3%