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6GHz 802.11be Front-End Module


6GHz 802.11be Front-End Module


KCT8778HT is a highly integrated RF Front-End Integrated Circuit incorporates key RF functionality needed for IEEE 802.11a/n/ac/ax/be WLAN systems operating in the 5.9-7.1GHz range. KCT8778HT integrates a high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network and harmonic filters all in one device.


KCT8778HT is a 5V supply voltage power amplifier that conserves power consumption while maintaining the highest linear output power and excellent throughput. A DC voltage output power detector and a directional RF coupler are integrated to support closed-loop power control within the system.


KCT8778HT is assembled in a compact, low-profile 3x5x0.812mm 24-lead LGA package, which is an ideal RF front-end solution for implementing 6GHz high-power WLAN systems supporting multiple standards including 802.11a/n/ac/ax/be.


Integrated 802.11be 6GHz PA, LNA with bypass and T/R switch

Fully-matched input and output

Integrated RF & DC power detector

Transmit gain: 29dB at 5V

Receive gain: 14dB at High-gain mode, 5V

                       4.5dB at Mid-gain mode, 5V

Noise Figure: 2.4dB at High-gain mode, 5V

                       3.7dB at Mid-gain mode, 5V

Output power:  +13.5dBm @ -45dB DEVM, EHT320/MCS13, 5V

                          +17.5dBm @ -43dB DEVM, EHT160/MCS13, 5V

                          +19.0dBm @ -40dB DEVM, HE160/MCS11, 5V

                          +22.0dBm @ -35dB DEVM, VHT80/MCS9, 5V

                          +23.0dBm @ -30dB DEVM, HT20/MCS7, 5V 

ESD protection circuitry on all PINs

Minimal external components required

Small package: LGA-24L 3mm × 5mm × 0.812mm 

MSL3, 260°C  per JEDEC J-STD-020

RoHS and REACH Compliant

6GHz 802.11be Front-End Module

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