SI4063-B1B-FM

RF Transmitter Overview

The SI4063-B1B-FM is an RF transmitter IC from the EZRadioPRO series by Silicon Labs. It operates within a frequency range of 142MHz to 1.05GHz, supporting data rates up to 1Mbps with a maximum output power of 20dBm. The device features a 20-VFQFN exposed pad package and supports multiple modulation schemes including 4GFSK, GFSK, GMSK, and OOK. It functions on a supply voltage of 1.8V to 3.6V, drawing 85mA during transmission. The component is designed for surface mount installation and operates between -40°C and 85°C.

RF Transmitter Feature Summary

• Supports multiple modulation formats including 4GFSK, GFSK, GMSK, and OOK for flexible wireless communication protocols.
• Delivers high output power of 20dBm to extend transmission range in ISM band applications.
• Integrates SPI interface for efficient digital control and configuration via host microcontrollers.

RF Transmitter Applications

• Wireless sensor networks
• Remote keyless entry systems
• Industrial telemetry

RF Transmitter Procurement Notes

Verify component status as not recommended for new designs due to potential minimum order quantity restrictions. Confirm RoHS3 compliance and MSL level 1 rating before integration. Check for latest errata regarding Si4x6x-B1B variants. Ensure PCB footprint matches 20-QFN (4x4) dimensions. Validate supply voltage requirements against system design constraints.

RF Transmitter Selection Notes

Select this part for single-direction transmission needs within the 142MHz to 1.05GHz spectrum. Consider the 20dBm output capability for long-range links. Evaluate current consumption of 85mA during TX against battery life requirements. Compare against transceiver options if bidirectional communication is required later.

RF Transmitter Part Context

This component belongs to the EZRadioPRO family, optimized for low-power wireless applications. It complements other Silicon Labs RF solutions by providing dedicated transmission capabilities. The B1B suffix indicates specific package and testing configurations. It serves as a foundational element for simple point-to-point or star-topology wireless architectures.

RF Transmitter Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Silicon Labs selection guides for compatible alternatives within the EZRadioPRO portfolio.