what is field duration pal
There are various Video/Television standards in use. Important ones are CCIR/PAL, EIA/NTSC, SECAM etc. The major difference between these standards is in the no. of scanning lines and frame frequency.CCIR standard has 625 lines/frame and 25 frames/sec. EIA standard has 525 lines/frame and 30 frames/sec.. CCIR/PAL standard video signal has 625 lines/frame and it repeats @ 25 frames/sec. 2. Each frame is split into 2 fields; - each consisting of 312.5 lines, called odd and even fields. Thus field rate is 50.