NRF2460-T

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RF transceiver integrated circuits (ICs) have been around for decades, allowing engineers to develop a variety of consumer devices with wireless communications capabilities. They offer a high levels of integration for RF transceiver applications, providing cost and performance benefits over discrete component solutions. The NRF2460-T is a highly integrated, low-power, 2.4GHz RF transceiver that features onboard data rate adapters, voltage regulator, temperature sensor, ultra-low noise floor PLL, and antenna auto-calibration features. This article will discuss the applications and working principles of the NRF2460-T.

Applications

The NRF2460-T is designed for short range wireless applications with data rates up to 2 Mbps. It is ideal for low-cost wireless applications such as security systems, remote control, home automation and health care. The NRF2460-T is also suitable for applications that require both a 2.4 GHz receiver and a transmitter, such as Bluetooth low energy Hands-free kits or universal remote controls.

The NRF2460-T can be used in scenarios where long-term reliable performance is required. The chip’s modular design and advanced modulation techniques enable it to support multiple automotive and industrial applications including fuel-level sensors, fire alarm systems, HVAC controls, lighting and motor controllers.

The NRF2460-T is similarly suited for consumer applications that require robust and reliable operation in a noisy environments. It provides excellent receiver sensitivity and interference rejection, making it suitable for applications such as air conditioners, humdifiers, heaters, household appliances, and white goods.

Working Principle

The NRF2460-T utilizes an advanced communication architecture with a frequency hopping spread spectrum (FHSS) protocol, which enables a significantly increased communication range and improved RF signal integrity over traditional narrow band systems. The chip also comes with an onboard vibration sensor, which provides additional noise immunity. The integrated oscillator circuit provides a precise local oscillator signal for the RF transceiver.

The NRF2460-T contains both a low-power receive and transmit path, which can be used in an energy-efficient continuous mode or a power-efficient burst mode. When the transmit path is required, the NRF2460-T operates in a power-up-and-ring mode, whereby the receiver wakes up the transmitter by sending a “wake-up” packet. Upon receiving the “wake-up” packet, the transmitter is powered up and can start transmitting of the requested data in a fraction of a second.

The NRF2460-T also features a smart, low-power feature, which automatically decreases the data rate to save power during idle periods. It can operate down to 10 microAmps of average current while in sleep mode and works with 2 AA batteries to extend the life of the system. Additionally, the NRF2460-T has an advanced power management circuitry featuring an on-chip buck/boost regulator, programmable voltage divider, and temperature sensor to provide maximum battery life.

The NRF2460-T contains a specialized antenna auto-calibration feature, which helps reduce the time and complexity for tuning and optimizing the antenna system. This feature ensures high levels of compliance with 2.4GHz regulatory agencies, which minimizes the risk of compliance issues.

Overall, the NRF2460-T is a highly integrated, low-power RF transceiver IC that offers a wide range of features for applications requiring robust, reliable and long-term reliable performance in noisy environments. The chip’s modular design, advanced modulation techniques and advanced power management features make it an ideal solution for short range wireless applications.

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