TDA4504B - Small signal combination for multistandard colour TV
TDA4504B Having the capability to demodulate IF signals with either positive or negative-going video information, the TDA4504B (Fig.1) is contained within a 32 pin encapsulation.
It includes a three-stage vision IF amplifier, mute circuit, AFC and AGC circuitry, fully synchronised horizontal and v
TDA4504B Features
* Gain controlled vision IF amplifier
* Synchronous demodulator for negative and positive demodulation
* AGC detector operating on peak sync amplitude for negative demodulation and on peak white level for positive demodulation
* Tuner AGC
* AFC circuit with tw
