TSOP14538

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The TSOP14538 is a highly sensitive photoreceiver specifically designed for use with remote control systems, such as infrared emitting television and audio equipment. This type of remote control system has become commonplace in home electronics, and the TSOP14538 have become the photoreceiver of choice for many appliance manufacturers. To understand how and why the TSOP14538 is used in remote control systems, it is important to understand its application field and working principle.

Application Field

The TSOP14538 is used in many different consumer electronic devices which require a wireless remote control. The most common examples are television and audio equipment which use infrared links between the remote control unit and the controlled device. The TSOP14538 can be used with infrared emitting devices operating in the area of 10KHz to 500KHz, and has a very high detection efficiency even for weak infrared signals. It can be used to detect both modulated and unmodulated signals, and is used to generate an interrupt signal which can be used by the controlled device to control its functionality.

Working Principle

The TSOP14538 uses a specially designed photodiode to detect infrared signals which are emitted by remote control units. The photodiode is sensitive to wavelengths in the range of 850nm to 950nm, and when an infrared signal is detected it will generate an electrical current. This current is then amplified by the receiver\'s integrated amplifier, and the amplified signal is used to drive a comparator which produces an interrupt signal. This interrupt signal is then used by the controlled device to control its functions. The TSOP14538 is designed to be highly sensitive, and even weak infrared signals can be detected with high efficiency.

Conclusion

The TSOP14538 is a high-efficiency photoreceiver specifically designed for use in remote control systems. It uses a special photodiode to detect infrared signals in the range of 850nm to 950nm, and is capable of detecting both modulated and unmodulated signals. The receiver\'s integrated amplifier amplifies the signal, and the comparator produces an interrupt signal which is used by the controlled device to control its functionality. The TSOP14538 is an important component in remote control systems, and its high sensitivity and efficient detection make it the photoreceiver of choice for many appliance manufacturers.

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