SKY77902-21

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SKY77902-21 belongs to the RF Misc ICs and Modules family. It is an RF module designed for low-power battery-operated applications which utilizes the latest in DSP signal processing for clear and consistent voice/audio quality. It integrates a highly linear radio frequency (RF) transceiver, baseband modem, and a range of power management and interface blocks.

This module is designed for ultra-low power, high-performance wireless communication systems in the 2.4GHz ISM-band. This module can be used for many applications such as home automation, wireless data communication, wireless audio, Bluetooth Low Energy (BLE) Beacons and other low-power applications. It also supports the TI (Texas Instruments) WiLink8 Host protocol, providing easy interoperability with any Wi-Link8 enabled host chip.

The Sky77902-21 is equipped with data rate of up to 2.5Mbps, and uses GFSK and MSK modulation to ensure robust performance. It also features receiver sensitivity of -96 dBm, transmit power up to +14 dBm, and a supporting frequency range of 2.400-2.480GHz. The module is compatible with a number of wireless standards, including IEEE 802.15.4/ZigBee® and Bluetooth® Low Energy (BLE).

The Sky77902-21 also features a wide range of power management features, including low quiescent current for maximum battery efficiency, over-temperature protection, thermal reset protection, thermal shutdown protection, wake-up detector, and FCS auto-calibration. At the same time, its interface consists of SPI, UART, and a few more. In terms of size, the module measures 5.8 mm x 7.6 mm.

The working principle of the SKY77902-21 module is quite simple. It is based on a combination of DSP signal processing, baseband modem, and RF transceiver. First, the baseband modem takes the digital input signals and translates them to radio frequency signals. Then, the RF transceiver converts the radio signals to a format that can easily be carried over the air. Finally, the DSP signal processing helps the module to filter out any unnecessary noise and interference, thus providing a clear and consistent voice/audio quality to the user.

In summary, the SKY77902-21 is a versatile and powerful RF module designed for low-power battery-operated applications. It utilizes the latest in DSP signal processing for clear and consistent voice/audio quality, and supports a wide range of wireless standards, like IEEE 802.15.4/ZigBee® and BLE. With its combination of advanced features and wide range of power management and interface blocks, this module is the right choice for low-power and high-performance applications.

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