SI4421 - Universal ISM Band FSK Transceiver

Name: SI4421
SKU: SI4421-652788

Silicon Labs

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Datasheet Details

Part number	SI4421
Manufacturer	Silicon Labs
File Size	2.02 MB
Description	Universal ISM Band FSK Transceiver
Datasheet	SI4421_SiliconLabs.pdf

SI4421 Product details

Description

Silicon Labs’ Si4421 is a single chip, low power, multi-channel FSK transceiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 433, 868 and 915 MHz bands.

Features

a completely integrated PLL for easy RF design, and its rapid settling time allows for fast frequency-hopping, bypassing multipath fading and interference to achieve robust wireless links. The PLL’s high resolution allows the usage of multiple channels in any of the bands. The receiver baseband bandwidth (BW) is programmable to accommodate various deviation, data rate and crystal tolerance requirements. The transceiver employs the Zero-IF approach with I/Q demodulation. Consequently, no external.

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