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RF Transceiver ICs

The CC1120RHBT is a low-power RF transceiver IC designed to simplify RF and radio integration. With an integrated RF power amplifier (PA) and low-noise amplifier (LNA), it provides a high degree of integration for a wide range of applications. The CC1120RHBT supports up to 54 Mbps data rates for use in a variety of multi-channel, data-intensive and low-power applications. It is designed to help reduce the complexity, cost and size of designs by replacing several discrete components with an integrated solution.

Application Field

The CC1120RHBT can be used in a variety of applications, including two-way radio infrastructure systems, short-range communications devices and home automation gateways. It’s also suitable for a range of low-power applications, such as implantable medical devices, wireless sensors, consumer applications and automotive. It supports frequencies ranging from 175 MHz to 2.2 GHz and has an integrated LNA, PA and power detector, making it an ideal solution for these applications.

Working Principle

The CC1120RHBT uses a fractional-N baseband frequency synthesizer to generate the local oscillator frequencies required for the RF transceiver’s transmit and receive modes. The fractional-N synthesizer also offers excellent spectral purity and rapid frequency switching for precision of operation. The CC1120RHBT also supports direct-sequence spread spectrum (DSSS) modulation techniques by which the frequency spectrum of the transmitted signal can be spread over a large bandwidth. This allows more data to be transmitted over one channel and reduces the risk of interference from other systems.

The chip also supports a wide range of protocol stacks, including IEEE802.15.4g, ZigBee, Thread, ANT and more. It is equipped with an on-chip 5-bit ADC and digital baseband filters with support for direct digital conversion, making it suitable for signal processing and modem applications. Additionally, its integrated transmitter power detector enables it to measure transmit power levels accurately for optimized performance.

The CC1120RHBT supports a wide range of power modes, making it suitable for a variety of battery-operated applications. It can be put into sleep mode or operating mode, enabling it to save power when not needed. It also supports a variety of power saving mechanisms such as low-power clock oscillators, digital supply shunts and digital repeaters. This ensures efficient system power management and reduces RF aspects of battery drain.

Overall, the CC1120RHBT is a powerful and versatile RF transceiver IC that is suitable for a range of low-power applications. Its integrated PA, LNA and power detector offer superior performance while its wide range of protocols and power saving mechanisms make it ideal for a variety of end products.

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