PRODUCT SUMMARY
SKY85703-11: 5 GHz WLAN Front-End Module
4B
802.11ac networking and personal computing systems
PC cards, PCMCIA cards, mini-cards, and half-mini cards
WLAN-enabled wireless video systems
TX
VDET
RX
PA
PA_EN
Applications
Features
0B
ANT
LNA
Integrated high performance 5 GHz PA, LNA with bypass, and
T/R switch
Fully-matched input and output
Integrated power detector and directional coupler
Transmit gain: 30 dB
Receive gain: 12 dB
Output power: +16 dBm @ 1.8% EVM, HT80, MCS9
Output power: +17 dBm @ 3% EVM, HT40, MCS7
Small, QFN (16-pin, 3 x 3 mm) package (MSL1, 260
C
per
JEDEC J-STD-020)
1B
LNA_EN
CRX
S2325a
Figure 1. SKY85703-11 Block Diagram
Description
The SKY85703-11 is a highly-integrated, 5 GHz Front-End Module
(FEM) incorporating a 5 GHz Single-Pole, Double-Throw (SPDT)
transmit/receive (T/R) switch, a 5 GHz Low-Noise Amplifier (LNA)
with bypass, and a 5 GHz Power Amplifier (PA) intended for
mobile/portable 802.11ac applications and systems.
The LNA and PA disable functions ensure low leakage current in
off mode. An integrated power detector is included to provide
closed-loop power control within the system. The power detector
also acts as a directional coupler to enhance detector accuracy
over temperature and load mismatches.
Skyworks
Pb-free products are compliant with
all applicable legislation. For additional
information, refer to
Skyworks Definition of
Lead (Pb)-Free,
document number
SQ04-0073.
LNA_EN
GND
14
CRX
16
15
GND
RX
GND
VCC2
ANT
13
12
1
GND
VDD
VCC1
2
11
The device is provided in a compact, 16-pin 3 x 3 mm Quad Flat
No-Lead (QFN) package. A functional block diagram is shown in
Figure 1. The pin configuration and package are shown in
Figure 2.
3
10
4
5
6
7
8
9
N/C
PA_EN
VDET
GND
TX
S2964
Figure 2. SKY85703-11 Pinout – 16-Pin QFN
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202991A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 13, 2013
1
PRODUCT SUMMARY • SKY85703-11 FRONT-END MODULE
Ordering Information
8B
Model Name
SKY85703-11 5 GHz WLAN Front-End Module
Manufacturing Part Number
SKY85703-11
Evaluation Board Part Number
SKY85703-EK1
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
September 13, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202991A
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