SI4822-A10-CU

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

RF receivers are extensively used in communications systems. The SI4822-A10-CU is a single-chip receiver that is designed to receive HF and medium frequency (MF) bandwidths from 10kHz to 54MHz. It has a broad range of applications including broadcast radio, automotive receivers, marine navigation radios, and personal radio services (PRS).

The SI4822-A10-CU is available in a 64-pin LQFP package that is easy to integrate into a variety of designs. It operates from a single +4.5V to +5.5V power supply as well as two internal low-dropout linear regulators (LDO) to provide supply voltages of +1.8V and +3.3V. It also offers low-power operation, typically consuming just 4.2mW in idle state and 10mW in receive mode.

The SI4822-A10-CU is equipped with an integrated DSP core that allows autonomous receiver control. The DSP supports automatic gain control (AGC), automatic frequency control (AFC), and automatic notch filtering to eliminate interference. It also features integrated FM de-emphasis and pre-emphasis filtering, as well as low-end frequency and upper boost filtering. Furthermore, its enhanced mono/stereo capability supports both mono and stereo reception.

In addition to the DSP core, the SI4822-A10-CU includes an array of integrated signal-processing features, such as noise blanking, soft mute, and advanced frequency synthesizer calibration. Its RF input impedance is also selectable, allowing it to be used with a variety of antennas. It also supports an integrated FSK signal processor for frequency modulation/amplitude modulation (FM/AM) reception, as well as stereo multiplex detection for FM stereo reception.

The SI4822-A10-CU employs an analog front-end, designed to provide superior signal efficiency and performance. It includes an RF preamplifier, local oscillator, RF mixer, RF filter, IF amplifier, and other components. The RF preamplifier amplifies weak signals, while the local oscillator mixes the amplifier signal with a high-frequency carrier. The mixer produces the intermediate frequency (IF) signal, while the IF amplifier further amplifies the signal.

The SI4822-A10-CU also features an IF filter, which is designed to reduce adjacent channel interference. It also includes an oscillator for generating the local oscillator\'s frequency, as well as an AGC loop for controlling the gain of the RF preamplifier. In addition, it features an Integrated Programmable Gain Amplifier (PGA), allowing the user to program the gain of the IF amplifier.

Overall, the SI4822-A10-CU is a comprehensive, single-chip receiver that has been optimized for use in a wide range of applications. Its integrated DSP core and array of signal-processing features make it an ideal choice for applications that require high performance and flexibility. Its robust design and ability to process signals in the HF and MF spectrum make it an excellent choice for communications systems.

The specific data is subject to PDF, and the above content is for reference