TRF7903PWR RF/IF and RFID

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Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The TRF7903PWR is a multi-standard RF receiver designed for applications in consumer electronics, remote control systems, and wireless audio or data communication fields. With its advanced radio technology, this RF receiver can reliably detect RF signals emitted from other devices within a wide operational range. It is capable of recognizing various wireless standards ranging from 2.4GHz to 2.48GHz, such as Bluetooth, Wi-Fi, and ZigBee, along with International standards like FCC, IC, and ETSI. The TRF7903PWR is a highly integrated RF receive consisting of a low noise amplifier, a high gain bandwidth-limited mixer, baseband filters, low power output staging, and on-chip power management to ensure the power is efficiently managed. These components, along with an automated gain control (AGC) algorithm used to optimize the AGC range, work together to help enhance the performance of the TRF7903PWR in a variety of signal reception and processing scenarios. In terms of reception range, the TRF7903PWR can detect incoming RF signals up to 25MHz, and can support up to three selectable operating frequencies. The receiver also offers a low bit error rate (BER) of less than 10-8, making it suitable for robust and reliable data communication applications. Additionally, it can be used in high interference environments with its narrow filter bandwidth, which helps reduce the amount of noise received while maintaining high sensitivity. In terms of power management, the TRF7903PWR offers a low power consumption of only 0.01 mW, thus making it an ideal choice for battery-operated applications. The integrated power management includes a dynamic voltage scaling (DVS) feature that reduces the power of the device by varying the voltage for different operating modes. It also includes various power saving modes, such as the AGC ramp-up power save, which reduces extra power consumption during idle time of operation. In order to support automatic frequency selection, the TRF7903PWR includes an integrated frequency-lock detection circuit (FLDC). This circuit ensures that the receiver selects the correct frequency to receive data based on its sensing capability. The receiver can also identify RF signals that have curved or linear frequency modulation. It also comes with a low voltage detection (LVD) feature that helps protect the device from over voltage during the signal detection process.The TRF7903PWR also supports integration with external components such as automatic gain control settings, baseband filters, and pre-amplifier stages - this provides greater flexibility to design engineers in integrating the device into existing or new RF applications. These features make the TRF7903PWR a versatile and powerful RF receiver capable of handling a wide range of wireless standards.

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