TSH511(2002) 查看數據表（PDF） - STMicroelectronics

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TSH511
(Rev.:2002)

HiFi stereo/mono infrared receiver Stereo sub-carrier demodulator

STMicroelectronics 

TSH511

APPLICATION SCHEMATIC

The infrared carriers are detected by the photodiode and the signal is directly amplified by the TSH511.

Optional reject filters can be added in each channel to improve crosstalk performances. Each receiver has

a standard bandpass filter (filters F1 & F3) to select the 2.3 and 2.8 MHz carriers. After the FM

demodulators, the potentiometers P1 and P2 control the volume levels. The stereo headphones are

directly connected to the integrated audio buffers. The potentiometer P3 allows adjustment of the

sensitivity of the Squelch. The Squelch function fade-in and fade-out the audio signal depending on the

level of the 2.8 MHz carrier.

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