Appendix A Audio and Video Specifications
Video Specifications
© 2012 Harmonic Inc.
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Electra 1000, Version 3.0, Rev M
A.4 Video Specifications
The encoder is equipped to handle serial digital (SDI) and analog composite inputs from
625-line (PAL) and 525- line (NTSC) video systems.
When a PAL or NTSC analog composite input is used, a high quality decoder converts the
signal into ITU-R 601 digital format.
Table 5-1: Video Specifications
Feature
Specification
Comments
Input formats
Serial digital component
and composite or analog
composite
Either 625 lines (PAL) or 525
lines (NTSC)
Analog input level
1 V p-p nominal
Factory calibrated
Analog input digitizing
resolution
9 bits
SNR
>52 dB rms
Unweighted
Frequency response
> –0.3 dB
> –0.5 dB
@4.2 MHz
@5.5 MHz
Differential gain
< +/–1.5%
10% to 90% APL
Differential phase
< +/–1.5%
10% to 90% APL