CMOS RFICs deliver 802.11ac front-end operation

-June 18, 2013

Single-chip/single-die RF front-end ICs in the RFX8050x and RFX8051x series from RFaxis provide 802.11ac WLAN ODMs and OEMs with an alternative and pin-compatible 5-GHz RF front-end solution manufactured in the company’s cost-effective bulk CMOS process.

One of the industry's smallest RF front-end devices, the RFX8050 provides complete functionality for 5-GHz 802.11ac operation in an ultra-compact 2.5×2.5×0.45-mm 16-pin QFN package. It integrates a high-efficiency linear power amplifier, low-noise amplifier, transmit/receive antenna switch, directional-coupler-based power detector, harmonic filters, and all associated RF matching and decoupling circuitry. The device supports direct battery operation and features a low-current, high-efficiency mode useful for smart phones and other mobile connectivity platforms.

The RFX8051 provides all 5-GHz 802.11ac RF front-end functions in a 3×3×0.55-mm 16-pin QFN package. With a 3.3-V power supply, this device delivers 30-dB gain and up to +16-dBm linear output power with low EVM (error vector magnitude) of –35 dB for 802.11ac MCS9/VHT80 modulation signals.

RFaxis has started volume production of the RFX8050 and RFX8051, with volume shipping expected in the third quarter of 2013.

RFX8050 datasheet

RFX8051 datasheet


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