SI4755-A20-GMR

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Part Status:	Active

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< p > RF Receivers are electronic circuits used to receive radio signals from an antenna. The SI4755-A20-GMR is a RF receiver with built-in features for improved performance. The receiver is designed for a range of applications such as radio broadcast, remote control, navigation and communication systems. This article will cover the application fields and working principle of the SI4755-A20-GMR RF receiver. < /p >< p >The SI4755-A20-GMR receiver is a single-chip, low-power, low-cost radio solution with a high level of flexibility. It is designed for a range of applications in the remote control, navigation and communication fields. In particular, it can be used for vehicle remote control, RC car remote control, remote control helicopters and unmanned aircraft, industrial automation, home automation, alarm systems, medical devices and handheld two-way radios.< /p >< p >The SI4755-A20-GMR receiver is based on the Direct Conversion architecture with a 6-dB conversion loss. It has a frequency range of 87.5-108 MHz and uses a differential LC active filter for channel selectivity. The receiver has a wide dynamic range of up to 80 dB and an image rejection of more than 50 dB. It also has a low noise figure of less than 4 dB, as well as a high sensitivity of 95 dBm at a 5 kHz deviation. It is designed to operate at a supply voltage of 3.3 V and requires only 1.2 mA of current when operating.< /p >< p >The SI4755-A20-GMR receiver operates in two modes: Tuner and demodulator. In tuner mode, the receiver uses its analog tuner to select the desired frequency range. The tuner consists of a differential LC active filter that allows for a high level of selectivity while still maintaining a low insertion loss. In demodulator mode, the receiver uses its demodulator circuitry to recover the signal from the transmitted data. The demodulator uses a low-cost, fast-response differential stage to decode the signal. The demodulator also uses a low-power, broadband amplifier to ensure that the signal is amplified with minimal distortion.< /p >< p >The SI4755-A20-GMR receiver is a highly reliable and cost-effective RF receiver solution that can be used for a variety of applications. It has an impressive dynamic range and sensitivity, ensuring that it can receive signals from even the weakest sources. Its tuner and demodulator circuitry provide flexibility and a high level of channel selectivity, making it suitable for applications such as remote control, industrial automation and two-way radios. < /p >

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