WLAN Front-End Modules (FEM)

Overview

WLAN Front End Modules (FEM), power amplifiers, frontend modules, front end, rf front end | Microsemi WLAN (Wi-Fi) front-end modules integrate multiple devices required to implement an RF front end. Typically included are one or more power amplifiers with both input/output impedance matching, a switch, and one or more low-noise amplifiers.

Featuring highly integrated monolithic RFIC design, Microsemi’s latest generation of midpowered FEMs is optimized for long-packet EVM performance and high efficiency, and is ideally suited for client-based access points, gateways, and 4K media streaming platforms. Microsemi’s 5-GHz/2-GHz FEM is the industry’s first dual-band solution, integrating all functions for PA, LNA, switches, band-edge filter, diplexer, harmonic and out-of-band rejection, and impedance matching in a single monolithic die. Low current consumption, 3.3-volt supply, and 4mm-by-3mm compact size are ideal for smart television and OTT media platforms.

Microsemi's WLAN FEMs can be found at multiple IEEE 802.11a/b/g/n/ac reference designs by the leading WLAN baseband SoC suppliers.

Part Number	Freq (GHz)	802.11 Standard	Description	Gain (dB)	Linear Po (dBm)	EVM (%)	Current @ Po (mA)	Vcc (V)	Package (mm)
LX5589A	5.15–5.85	n	PA + Log DET + LNA with bypass + SPDT	30	18	3.0	210	3.3	QFN-16, 2.5×2.5×0.9
		ac			17	1.8	190
LX5589H	5.15–5.85	n	PA + Log DET + LNA with bypass + SPDT	32	22	3.0	250	5.0	QFN-16, 2.5×2.5×0.9
		ac			20	1.8	230
LX5589B	5.15–5.85	n	PA + Log DET + LNA with bypass + SPDT	32	22	3.0	250	5.0	QFN-16, 3×3×0.9
		ac			20	1.8	230
LX5584A*	2.4–2.5	n	PA + Log DET + LNA with bypass + SP3T	32	19	3.0	220	3.3	QFN-16, 3×3×0.9
		ac			18	1.8	200
LX5584H	2.4–2.5	n	PA + Log DET + LNA with bypass + SP3T	33	21	3.0	260	5.0	QFN-16, 2.5×2.5×0.9
		ac			20	1.8	240
LX5584B	2.4–2.5	n	PA + Log DET + LNA with bypass + SP3T	33	21	3.0	260	5.0	QFN-16, 3×3×0.9
		ac			20	1.8	240
LX5586A	5.15–5.85	n	PA + PDET + LNA with bypass + SPDT	27	17.5	3.0	200	3.3	QFN-16, 2.5×2.5×0.45
		ac			16.5	1.8	185
LX5586H	5.15–5.85	n	PA + PDET + LNA with bypass + SPDT	27	20	3.0	230	5.0	QFN-16, 2.5×2.5×0.45
		ac			19	1.8	210
LX5586	5.15–5.85	n	PA + PDET + LNA with bypass + SPDT	27	17.0	3.0	200	3.3	QFN-16, 2.5×2.5×0.4
		ac			16.0	1.8	185
LX5551	2.4–2.5	n	PA + SPDT + PDET	27	18	3.0	140	3.3	QFN-16, 3×3×0.9
LX5591	2.4–2.5	n	Dual-band PA + PDET + LNA with bypass + SPDT	30	18	3.0	210	3.3	QFN-28, 4×3×0.9
		ac			16	1.8	190
	5.15–5.85	n		27	18	3.0	260
		ac			16	1.8	230