SI4122-BT

Clock Generators, PLLs, Frequency Synthesizers Overview

The Si4122-BT is a single-band PLL frequency synthesizer manufactured by Silicon Laboratories. It is designed for RF applications, specifically supporting GSM standards. The component integrates the necessary circuitry for frequency synthesis, including reference clock handling and divider ratio configuration. It operates within a specified temperature range suitable for telecom and cellular baseband circuits. The device is available in a TSSOP-24 package, facilitating integration into compact RF front-end designs.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Single-band PLL frequency synthesizer architecture
• Supports GSM standard RF synthesis requirements
• Integrated reference clock and divider control logic
• Available in TSSOP-24 surface-mount package

Clock Generators, PLLs, Frequency Synthesizers Applications

• GSM cellular phone RF front-ends
• Telecom base station local oscillators
• Single-band RF transceiver systems

Clock Generators, PLLs, Frequency Synthesizers Part Context

The Si4122-BT belongs to the Si4122 series of RF synthesizers from Silicon Labs. Related variants include the Si4122-G and evaluation boards such as the Si4122-EVB and Si4122G-EVB. These tools provide support circuitry, SMA connections for measurement, and PC interfaces for configuring frequencies and power options during development.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Silicon Labs application notes or technical support for current alternative components within the same product family.