U4488B Quasi-Split Sound Circuit and AM Demodulator Description The U4488B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and Multimedia applications.
It supplies AM signals as well as FM/NICAM sound IF signals and thus allows the design of a universal sound IF module for various applications.
The U4488B has the same performance like the U4468B, with the additional feature of a second symmetrical IF input.
Features D 5-V supply voltage; low power consumption D Gain-controlled 3-stage wideband IF amplifier D Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true quadrature demodulation D Complete alignment-free AM dem...

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