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5GHz 802.11ax RF Front-End Module

KCT8539SD

5GHz 802.11ax RF Front-End Module

Introduction

KCT8539SD is a highly integrated RF Front-End Integrated Circuit incorporates key RF functionality needed for IEEE 802.11a/n/ac/ax WLAN systems operating in the 5.15-5.85GHz range. KCT8539SD integrates a high-efficiency high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network, and harmonic filters all in one device.

 

KCT8539SD has simple and low-voltage control logic, and requires minimal external components. A DC voltage output power detector is also integrated for accurately monitoring of output power from the PA.

 

KCT8539SD is assembled in a compact, low-profile 3x3x0.75mm 16-lead QFN package. KCT8539SD is the ideal RF front-end solution for implementing 5GHz high-power WLAN systems supporting multiple standards including 802.11a/n/ac/ax.


Specifications

Integrated 802.11ax 5GHz PA, LNA with bypass and T/R switch

Fully-matched input and output

Nominal operating voltage at 5V

Integrated power detector

Transmit gain: 30dB at 5V

Receive gain: 14dB at 5V

Output power:

+18dBm @ -43dB DEVM, HE160/MCS11, 5V

+20dBm @ -40dB DEVM, HE160/MCS11, 5V

+21.5dBm @ -35dB DEVM, VHT80/MCS9, 5V

+22.5dBm @ -30dB DEVM, HT20/MCS7, 5V

ESD protection circuitry on all PINs

Minimal external components required

Small package: QFN-16L, 3mm x 3mm x 0.75mm (MSL3, 260℃ per JEDEC J-STD-020)

ROHS and REACH Compliant


5GHz 802.11ax RF Front-End Module

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