Service manual

PAL-M video output
A-11
A
change rate 0.1 Hz/s, PAL system I and NTSC
measurement time > 0.2 s
Burst amplitude variation < 2%
PP
Video performance
3)
Gain
Insertion gain 0 dB ±0.2 dB
3 dB ±0.2 dB (-3 dB input level)
Level stability ±0.10 dB / 1 hour
±0.15 dB / 24 hour
Noise
Quantization Noise, unified
weighted acc. to [567] < -60 dB RMS relative to 0.7V
Non-linear distortion
Differential Gain ≤ 1% peak to peak
Differential Phase ≤ 1° peak to peak
Linear distortion
2T pulse response K
2T
≤ 1.0%
2T pulse to bar 98% to 102% (K
P/B
≤ 0.5%)
2T bar response 99.5% to 100.5%
50 Hz square wave response 99% to 100%
Bounce Peak-overshoot ≤ 1%
Chrominance luminance inequality
Gain, 20 T
C
pulse ≤ ±2%
Delay, 20 T
C
pulse ≤ ±10 ns
SCH phase error < ±5°
Steady state characteristics
Frequency response
(relative to white bar) ±0.2 dB, 10 Hz to 5.75 MHz
≥ -3 dB, 6 MHz
≤ -24 dB, 6.75 MHz
≤ -40 dB, 8 MHz to 27 MHz
Group delay response (reference
at 500 kHz) ≤ ±20 ns, 10 Hz to 5.5 MHz
◆
PAL-M video output
Composite video
formats
Video formats PAL system M
NTSC system M, acc. to CCIR rep.
624-4
Composite video output Number of outputs 2
Connector type BNC
Nominal output impedance 75 Ω
Isolation between outputs > 40 dB, 10 Hz to 5.5 MHz
Return loss > 35 dB, 10 Hz to 5.5 MHz
3) Measured with a P
OLARIS
encoder, 4:2:2 chroma and video bit rate > 17 Mbit/s.