ATA5744N-TKSY 19 RF/IF and RFID

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RF receivers are one of the essential components in modern communication systems, playing a crucial role in detecting radio frequencies signals and converting them into useful information. The ATA5744N-TKSY 19 RF Receiver is a modern receiver designed for use in wide range of wireless applications, including industrial, automotive and consumer applications. In this article, we discuss the application fields of the ATA5744N-TKSY 19, along with its working principle.

Application Fields

The ATA5744N-TKSY 19 is suitable for a wide range of applications, including industrial, automotive and consumer environments. Its small size and wide dynamic range makes it well suited for use in space limited environments. It has an excellent noise figure of -85 db and a wide operating temperature range of -40 to +85°C, making it suitable for use in harsh industrial environments. The receiver is especially suitable for automotive applications, with an anti-reverse polarity and overvoltage protection feature, allowing it to withstand voltage fluctuations.

The receiver also features excellent sensitivity and selectivity performance, with a sensitivity of -100dBm and a selectivity of > 80dBc/Hz. Moreover, it has an impressive low power consumption of 7mW and its small size makes it well suited for application in wearable devices and other size-limited consumer applications. Additionally, its integrated monitoring and diagnostic functions provide valuable feedback information for diagnostics and system optimization.

Working Principle

The ATA5744N-TKSY 19 Receiver is a highly integrated device, featuring an antenna matching section, a pre-amplifier, a variable gain amplifier, a low noise amplifier, a mixer, a VCO, a frequency synthesizer, a micro-strip filter and a low power output driver. It tailored for use in the Industrial, Scientific and Medical (ISM) band, with an operating frequency range of 868-870MHz. It uses the direct conversion receiver topology, whereby the incoming signal is mixed with a local oscillator at a fixed frequency, with the output signal converted into an IF signal.

The pre-amplifier amplifies the incoming signal and provides the antenna matching section with a suitable impedance. The low noise amplifier increases the receiver gain and provides additional filtering. The mixer is used to mix the incoming RF signal with the local oscillator, converting the received signal to an IF signal. The IF signal is then amplified with the variable gain amplifier and then filtered by the micro-strip filter, before being sent to the output driver.

The frequency synthesizer module consists of a phase locked loop circuit and a variable frequency oscillator, allowing the receiver to tune into different frequency bands. Additionally, the receiver is calibrated during production, ensuring a high level of stability and accuracy of the receivers operation. The receiver also features integrated monitoring and diagnostic functions, providing valuable feedback for optimizing system performance.

To sum up, the ATA5744N-TKSY 19 RF Receiver is a modern receiver designed for use in a wide range of wireless applications, including industrial, automotive and consumer applications. Its highly integrated design offers excellent RF performance, with an impressive noise figure, selectivity and sensitivity levels. In addition, its low power consumption and small size makes it well suited for application in size-limited devices. Finally, its advanced monitoring and diagnostic functions provide valuable information for system optimization and diagnostics.

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