TRS211CDBRG4

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TRS211CDBRG4 is a low-power and low-noise short-range radio transceiver component designed for consumer electronics, especially for battery-powered, long-range transmission applications. It is part of the Interface - Drivers, Receivers, Transceivers classification and has proven itself in various industries and markets.

The operating frequency of the TRS211CDBRG4 is 2.4GHz to 2.48GHz which is in the ISM band approved by the governing bodies. It is specified at a power output of 1mW (or +13dBm) dependent on the chosen application being used. The receiver sensitivity however is exceptionally low remaining at -92dBm (or 7.4uV/MHz). The effect of this is that the user can keep the transmission power low and therefore increase the range which it covers. The transmitter is also capable of taking a wide range of input data rates; it proposes a solution to a majority of applications, ranging from solid-state memories, to video systems, to audio transmission.

The TRS211CDBRG4 features two subcomponents: – The transmitter and receiver. The transmitter has a very low power consumption, typically consuming 30mW at +13dBm output with one tone modulated on 200KHz bandwidth. The receiver consumes only 28mW, an improvement on its predecessor, which will be welcome news for many applications, especially battery-powered end-products. The digital section of the TRS211CDBRG4 has also been boosted since the introduction of its predecessor. It has unidirectional and bidirectional (simplex, semi-duplex and full-duplex) operation options available, with digital data processing and RS232 serial port. It can accept 7-bit, 8-bit and 10-bit data formats.

A further feature of the TRS211CDBRG4 is the data modulation capabilities, supporting On-off keying (OOK), Frequency Shift Keying (FSK) and Quadrature Amplitude Modulation (QAM). The OOK modulation scheme is used most commonly and is able to provide the user with a communication range of up to 200+ meters in ideal conditions. QAM modulation however is a more advanced scheme; allowing higher data transmission rate but with a smaller range of coverage. Both OOK and QAM offer distinct advantages to the user, depending on the chosen application.

The TRS211CDBRG4 is suitable to a wide range of applications, being present in a vast array of markets. These include remote home automation and security applications, Bluetooth, Zigbee based applications (802.15.4) and Wireless USB applications. In the security sector, the TRS211CDBRG4 is deployed in point-to-point short-range radio alarms and sensors. Bluetooth and Zigbee radios are increasingly popular for use in home automation, providing a secure and fast communication between devices. The Wireless USB applications involve the transmission of large numbers of data using the TRS211CDBRG4, allowing devices to be connected away from a power source. However, other uses are growing rapidly; health wearables, industrial automation, home entertainment and various other Automotive applications.

To conclude, TRS211CDBRG4 is an ideal choice for low-power, low-noise and long-range wireless communication. Its operating frequency range and power output suit a number of applications and it is being increasingly installed in home, industrial and automotive applications. A wide variety of modulation schemes can be used dependent on the data rate required by the user. The low power consumption and excellent receiver sensitivity provide an ideal solution for many developers looking for a short-range radio transceiver component.

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