TDA4556 Key Features
- Gain controlled chrominance amplifier for PAL, SECAM and NTSC
- ACC rectifier circuits (PAL/NTSC, SECAM)
- Burst blanking (PAL) in front of 64 µs glass delay line
- Chrominance output stage for driving the 64 µs glass delay line (PAL, SECAM)
- Limiter stages for direct and delayed SECAM signal
- SECAM permutator Demodulator part
- Flyback blanking incorporated in the two synchronous demodulators (PAL, NTSC)
- PAL switch
- Internal PAL matrix
- Two quadrature demodulators with external reference tuned circuits (SECAM)