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5GHz 802.11ac RF Front-End Module

KCT8553C

5GHz 802.11ac RF Front-End Module

Introduction

KCT8553C is a highly integrated RF Front-End Integrated Circuit incorporates key RF functionality needed for IEEE 802.11a/n/ac WLAN systems operating in the 5.15-5.85GHz range. KCT8553C integrates a high-efficiency, high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network, LO rejection, and harmonic filters all in one device.

 

KCT8553C has simple and low-voltage control logic, and requires minimal external components. A power detector is also integrated for accurately monitoring of output power from the PA.

 

KCT8553C is assembled in a compact, low-profile 2.3x2.3x0.55mm 16-lead QFN package. KCT8553C is the ideal RF front-end solution for implementing 5GHz WLAN systems supporting multiple standards including 802.11a/n/ac.


Specifications

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

Fully-matched input and output

Integrated power detector

Transmit gain: 29dB

Receive gain: 13dB

Output power:

+18dBm @ 1.8% EVM, VHT80/MCS9, 3.3V

+19dBm @ 1.8% EVM, VHT80/MCS9, 3.7V

Output power:

+19dBm @ 3% EVM, HT40/MCS7, 3.3V

+20dBm @ 3% EVM, HT40/MCS7, 3.7V

ESD protection circuitry on all PINs

Minimal external components required

Small package: QFN-16L, 2.3mm x 2.3mm x0.55mm (MSL3, 260℃ per JEDEC J-STD-020)

RoHS and REACH Compliant


5GHz 802.11ac RF Front-End Module

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