- Source: CCIR System N
CCIR System N is an analog broadcast television system introduced in 1951 and adopted by Argentina, Paraguay and Uruguay, paired with the PAL color system (PAL-N) since 1980.
It employs the 625 line/50 field per second waveform of CCIR Systems B/G, D/K, and I, but on a 6 MHz channel with a chrominance subcarrier frequency of 3.582056 MHz (similar to NTSC).
Specifications
The general System N specifications are listed below.
Frame rate: 25 Hz
Interlace: 2/1
Field rate: 50 Hz
Lines/frame: 625
Line rate: 15.625 kHz
Visual bandwidth: 4.2 MHz
Vision modulation: Negative
Preemphasis: 75 μs
Sound modulation: FM
Sound offset: +4.5 MHz
Channel bandwidth: 6 MHz
See also
PAL
PAL-N
Broadcast television systems
Multichannel Television Sound
Pan-American television frequencies
Notes and references
External links
World Analogue Television Standards and Waveforms
Fernsehnormen aller Staaten und Gebiete der Welt
Kata Kunci Pencarian:
- Frekuensi sangat tinggi
- CCIR System N
- CCIR System B
- CCIR System A
- CCIR System C
- CCIR System K
- CCIR System L
- CCIR System D
- CCIR System I
- CCIR System M
- CCIR System G
