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5GHz 802.11ac RF Front-End Module


5GHz 802.11ac RF Front-End Module


KCT8528H is a 5GHz RF Front-End Integrated Circuit which incorporates key RF functionality needed for IEEE 802.11a/n/ac WLAN systems operating in the 5.15-5.85GHz range. KCT8528H integrates a high-efficiency, high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, a SPDT transmit/receive (T/R) switch and harmonic filters all in one device. The LNA and PA disable functions ensure low leakage current while switched off. A power detector is also integrated to provide close-loop power control within the system.


KCT8528H is assembled in a compact, low-profile 3x5x0.75mm 24-pin QFN package. KCT8528H is the ideal RF front-end solution for implementing 5GHz high-power WLAN systems supporting multiple standards including 802.11ac.


Integrated high performance 5GHz PA, LNA with bypass, and T/R switch

Fully-matched input and output

Integrated power detector

Transmit gain: 32dB at 5V

Receive gain: 16dB at 5V

Noise Figure: 1.7dB at 5V

Output power:

+23.5dBm @ DEVM=-35dB, VHT80/MCS9, 5V

+25dBm @ DEVM=-30dB, HT20/MCS7, 5V

ESD protection circuitry on all PINs

Minimal external components required

Small package: QFN 24-pin, 3mm × 5mm × 0.75mm (MSL3, 260 per JEDEC J-STD-020)

ROHS and REACH Compliant

5GHz 802.11ac RF Front-End Module

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