【Introduction】

KCT8248HE is a fully integrated 802.11b/g/n/ac/ax WLAN RF front-end module (FEM) which incorporates key RF functionality, it is integrated with a high-efficiency power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network and a single-pole, double-throw (SPDT) switch all in one device. KCT8248HE is a 5V supply voltage power amplifier that conserves power consumption while remain the highest linear output power and excellent throughput.

The PA power detector and a digital enable control are also integrated. A coupler function is integrated to further improve the linearity of the FEM.

KCT8248HE is assembled in a compact, low-profile 3*5*0.75mm 24-pin QFN package. It is the perfect RF front-end solution for implementing 2.4GHz high performance WLAN systems supporting multiple standards.

【Specifications】

Integrated high performance 2.4GHz PA, LNA with bypass, and T/R switch

Fully-matched input and output

Integrated power detector

Transmit gain: 33.5dB at 5V

Receive gain: 16dB at 5V

Noise Figure: 1.5dB at 5V

Output power:

+20dBm @ -43dB DEVM, HE40/MCS11, 5V

+21.5dBm @ -40dB DEVM, HE40/MCS11, 5V

+23.5dBm @ -35dB DEVM, VHT40/MCS9, 5V

+24.5dBm @ -30dB DEVM, HT20/MCS7, 5V

ESD protection circuitry on all PINs

Minimal external components required

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

RoHS and REACH compliant