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).

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

• PAL
• PAL-N
• Broadcast television systems
• Multichannel Television Sound
• Pan-American television frequencies

• World Analogue Television Standards and Waveforms
• Fernsehnormen aller Staaten und Gebiete der Welt