TA1267AF

The TA1267AF is a type of multistandard FIF/SIF synchronous demodelator IC. Features of TA1267AF are:(1)true sy nchtonous RIF demodulator; (2)3-stages gain controlled PIF amplifier; (3)high speed response PIF AGC detector; (4)buzz reducer; (5)2 video inputs for selecting sound-carrier trapes; (6)equalizer for video output; (7)AFT detector without extra reference circuit.

The absolute maximum ratings and AC characteristics of the TA1267AF can be summarized as:(1)power supply volta ge: 13V; (2)power dissipation: 1040mW; (3)operating temperature:-20 to 75;(4)storage temperature:-66 to 150. AC characteristics: (1)PIF input sensitivity: 40dBuV typ and 45dBuV max; (2)PIF maximum input signal: 105 dBuV min and 113dBuV typ; (3)PIF gain control range: 68dB min and 73dB typ; (4)RF AGC maximum output voltage: 8.5V min and 8.9V max; (5)differential gain: 1.0% typ and 3.0% max; (6)intermodulation: 50dB min and 55dB typ; (7)synchronous signal level: 2.4V min, 2.7V typ and 3.0V max, etc.

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