BAL-CC1101-01D3

Balun Overview

The STMicroelectronics BAL-CC1101-01D3 is an ultra-miniature balun designed for RF signal conditioning. It operates within a frequency range of 779MHz to 928MHz, providing balanced-to-unbalanced conversion with 50/50 Ohm impedance. The device features a maximum insertion loss of 1.9dB and a minimum return loss of -15dB. Phase difference is specified at 10°. Packaged in a 4-WFBGA (FCBGA) surface-mount format, it integrates a matching network and harmonic filter on a monolithic glass substrate.

Balun Feature Summary

• Integrates a matching network and harmonic filter within a monolithic glass substrate using IPD technology
• Customized conjugate match specifically for TI CC1101 and CC1150 transceivers
• Provides low amplitude and phase imbalance for optimized RF performance

Balun Applications

• RF front-end design for CC1101/CC1150 based wireless modules
• Sub-GHz ISM band communication systems
• IoT devices requiring compact RF signal conditioning

Balun Procurement Notes

This component is officially listed as obsolete by the manufacturer, with an observed discontinuation date of February 11, 2025. Verify current availability through authorized distributors or secondary markets. Ensure that any sourced units are genuine STMicroelectronics products and check for appropriate handling due to the flip-chip package type. Confirm compatibility with existing designs before procurement.

Balun Selection Notes

Select this component when designing around Texas Instruments CC1101 or CC1150 radios. It offers a compact footprint suitable for space-constrained applications. The integrated harmonic filter reduces external component count. Consider the obsolete status for new product development; alternative solutions may be required for long-term production runs.

Balun Part Context

Part of the BAL-CC1101 series from STMicroelectronics, utilizing integrated passive device (IPD) technology on non-conductive glass substrates. This family targets specific RF transceiver interfaces to simplify board layout and improve signal integrity in sub-GHz wireless applications.

Balun Replacement Considerations

Public confirmed substitute part numbers: None identified.