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Used
Philips
Stereo/dual TV sound decoder circuit
The TDA3803A is a stereo/dual TV sound decoder circuit with static switching for processing two AF signals in TV and VCR equipment. The LOW/HIGH static switching signals control the AF output selector. Two operational amplifiers perform bandpass filtering of the identification signals. Features • Amplification of the two AF input signals by integrated operational amplifiers • Low distortion stereo de-matrix • All operational amplifiers offset compensated • De-emphasis with operational amplifiers, preferably applied to the output terminals • Two output ports each with two channels for headphones and loudspeakers • Dual sound information at one port, each port individually switchable from sound I to sound II and sound II to sound I • Mute function while mute is active, it is possible to connect an external mono AF input signal to pin 10 appearing at pins 20 to 23. • Identification without additional signals (horizontal etc.) |
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