DESCRIPTION
LINEAR INTEGRATED CIRCUIT TV AUDIO PROCESSING CIRCUIT Contek FEATURES
* Wide operating supply voltage,9V ~ 18V When VCC=18V,RL=8 When VCC=12V,RL=8 * Linear volume control * Low harmonic distortion * Differential peak detector * Attenuation circuit for noise suppression(Typical80dB) W ,Output is 2.4W(17"TV) W ,Output is 1.2W(12"TV) DIP-14H APPLICATION CIRCUIT RB Vcc 220 mF Deweighting IF discreminator output 4.7 mF 0.015 mF IF power input 22kW Contek 14 0.1 mF 3 4 7 5 Volume VR control 5kW 270 W attenuator IF voltage regulation 0.01 mF 100 mF Power for audio output 10 12 Input coil 0.022 mF IF amplifier limiter Bootstrap 100 mF Mute 13 Frequency discreminator 9 Power AMP output 8 330 mF 22W 470pF 47 mF TAB FM discreminator coil 1 2 100 mF 10pF 6 11 Negative Feedback Decoupling Fig 1 Contek Microelectronics Co.,Ltd. CONTEK E-mail:sales@contek-ic.com 1 PC1353 PARAMETER Input Voltage(pin 10) Input Current(pin10) Input Current(pin5) Signal Voltage Input Power Dissipation Power D...
Contek
