MICRF229YQS-TR

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RF Receivers are essential components for radio communication systems and serve as a link between transmitting devices and parts of circuits or systems that need to process the information. A typical RF receiver includes a low noise amplifier, a mixer and a filter as well as necessary analog signal-processing circuitry. The MICRF229YQS-TR is a fully integrated superheterodyne RF receiver, which offers many advantages over conventional systems.

The MICRF229YQS-TR is a two-stage RF receiver designed for low current, low voltage and low power operation in the 470-550MHz global ISM frequency band. It features low current consumption, less than 1.35mA in the active state, while having excellent linearity, low noise and robust performance. With a power down current consumption of 0.1μA, the module offers excellent power efficiency. Its narrow bandwidth and high image rejection performance make the MICRF229YQS-TR suitable for use in various applications such as remote security and control systems,consumer electronics devices and data transmission systems.

The working principle of the MICRF229YQS-TR is based on the superheterodyne technique, in which signals are received on an antenna, amplified and down-converted to a fixed intermediate frequency. The received RF signal is fed to a low noise amplifier, which is followed by a mixer and a local oscillator. The output of the mixer is filtered to provide intermediate frequency (IF) signal. Further, the IF signal is low-pass filtered and amplified to get the desired signals.

The MICRF229YQS-TR features a specialized automatic gain control (AGC) which can be used to maintain a constant output power level over varying input power. It provides enhanced immediate frequency accuracy and a fast pull-in range in those applications where frequency stability is critical, such as remote security and control systems. The unit is equipped with an adjustable RF input sensitivity and a programmable output power management function.

The MICRF229YQS-TR is designed using the 0.18μm CMOS process with integrated on-die 2.6V regulator. It has an operating supply voltage of 1.8V and a wide operating temperature range of -40°C to +85°C, making it ideal for use in automotive and other applications which require a wide temperature range.

In summary, the MICRF229YQS-TR is a fully integrated, two-stage RF receiver designed for low current, low voltage and low power operation in the 470-550MHz global ISM frequency band. It offers excellent power efficiency, impressive performance and adjustable RF input sensitivity, making it suitable for use in various applications such as remote security and control systems,consumer electronics devices and data transmission systems.

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