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KCT8539HE PRODUCT DATASHEET
5GHz WLAN 802.11ax Front-End Module
GND
GND
16
15
C1 1
C0 2
GND 3
LNA
VDD 4
5
6
RX
GND
ANT
GND
14
13
12 VDET
11 VCC
10 VCC PA
9 PA_EN
7
8
GND
TX
Description
KCT8539HE 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. KCT8539HE integrates a high-efficiency highlinearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network, and harmonic filters all in one device.
KCT8539HE has simple and low-voltage control logic, and requires minimal external components. A power detector is also integrated to accurately monitor the output power of the PA.