LE87213AFQCT

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LE87213AFQCT is an integrated circuit used in telecommunications and other applications. It is an ultra-wideband (UWB) pulse-radar transceiver, and is used for short range radar applications, such as in automated vehicles or augmented reality applications.

The device is composed of a 12-bit ADC, two voltage controlled oscillators (VCOs), two quadrature mixers, and an embedded ARM Cortex-M4 microcontroller. It has a transmit power of up to +20 dBm, a sensitivity of -68 dBm and an operating frequency range of 8 - 12 GHz.

The LE87213AFQCT is designed to send and receive high frequency, short duration pulses. These pulses are used to detect objects in their vicinity and to measure the distance and direction of those objects. The precision and accuracy provided by the LE87213AFQCT, and its ability to send and receive multiple pulses simultaneously, makes it suitable for an ever wider range of applications, such as security and automotive applications.

The LE87213AFQCT is also used for communication with other UWB devices. It can be used for data transmission and short-range communication with other similar devices. Through the use of the ARM Cortex-M4 microcontroller, the LE87213AFQCT can transmit or receive multiple pulses simultaneously.

The LE87213AFQCT uses frequency modulation and spread spectrum technology to achieve its long-range transmission capabilities. Frequency hopping, which is simply rapidly and randomly changing the radio frequency of transmissions, is also used by the device.

The working principles of LE87213AFQCT can be divided into two categories. The first is the sending and receiving of pulses. The sending side consists of the pre-amplifier, mixer, VCO, and filter. The pre-amplifier amplifies the output of the oscillator, which is then mixed with the reference signal, before the filter removes the unwanted frequencies. The receiving side consists of a mixer, a low-noise amplifier, a VCO, and a filter. The mixer downsamples the received signal, which is then amplified and filtered before being sent to the VCO for conversion.

The second working principle is the communication between UWB devices. The LE87213AFQCT uses frequency hopping and spread spectrum techniques to facilitate communication. It also uses an embedded ARM Cortex-M4 microcontroller to communicate with other UWB devices, over a specified frequency. The embedded microcontroller has two communication channels, one for transmission, and one for reception.

In conclusion, the LE87213AFQCT is a powerful short-range radar transceiver which is used for a variety of applications, such as in surveillance and automotive applications. It uses frequency modulation, frequency hopping, and spread spectrum technology to enable long-range communication, and is equipped with an embedded ARM Cortex-M4 microcontroller to facilitate communication between UWB devices.

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