TRF7901PWRG4 RF/IF and RFID

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TRF7901PWRG4 Application Field and Working Principle

TRF7901PWRG4 is a low-power RF receiver, which is compatible with UHF systems such as NFC and RFID. The receiver uses its built-in RF processor to assist in communications between two NFC-compatible systems, or for other communication applications. It is also used for reader/transmitter designs, allowing communication between two systems over a range of up to 100 meters.

TRF7901PWRG4 has a working frequency of 13.56MHz, and its built-in processor can decode commands from the 13.56 MHz transmissions and transmit the commands to the host processor. Additionally, the processor is capable of providing an indication to the host processor when data has been received and when it has been successfully transmitted.

The TRF7901PWRG4 RF receiver supports various protocols, such as ISO 14443 Type A4 and Type B4, and its application field includes, but is not limited to, smart home devices, smart locks, access control systems, healthcare equipment, mobile payment systems, and retail transactions.

In terms of power consumption, TRF7901PWRG4 RF receiver uses a low-power design and supports energy harvesting designs. It provides a wide power supply range from 1.7 V to 5.5 V, and its power consumption is typically only a few hundred mWs. This makes it one of the most energy efficient receivers in its class and suitable for a variety of applications.

TRF7901PWRG4 RF receiver is also equipped with several features that enhance user experience, such as a user-programmable watch-dog timer, selectable output power, and a wide array of selectable bands. Moreover, it supports multiple modes of transmission, such as digital output, analog output, and variable gain.

In terms of performance, TRF7901PWRG4 supports robust communication, with an impressive receiver sensitivity of–90dBm, ensuring reliable distance of up to 100 meters in open air. It is also complete with an easy-to-use graphical user interface, allowing users to set up and configure their systems quickly.

In conclusion, TRF7901PWRG4 RF receiver is an energy efficient, low-power receiver with robust performance for a variety of communication applications. It supports various protocols and its wide range of features make it easy to set up and configure.

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