SKYWORKS SKY85803-11

The SKY85803 is a complete 802.11a/b/g/n/ac WLAN RF FrontEnd Module (FEM) that provides all the functionality of the Power Amplifiers (PAs), filtering, power detector, transmit/receive (T/R) switch, diplexers, and associated matching. The device provides a complete 2.4 GHz and 5.0 GHz WLAN RF solution from the output of the transceiver to the antenna in an ultra-compact form factor. The SKY85803 delivers <2% EVM at rated AC power, which meets the stringent linearity conditions of the 802.11ac standard. Designed for ease of use, all RF ports are matched to 50 Ω to simplify PCB layout and the interface to the transceiver. The device also includes a transmitter power detector with 20 dB of dynamic range for each transmit chain. Each PA has a separate digital enable control for transmitter on/off control. The power ramp rise/fall time is <0.4 μs. The SKY85803 also provides a notch filter from 3.260 to 3.267 GHz and 3.28 to 3.89 GHz before the input of each 2.4 GHz and 5.0 GHz PA, respectively. The SKY85803 is manufactured in a compact, 4 x 4 mm, 24-pin Land Grid Array (LGA) package.

• All RF ports matched to 50 Ω
• Integrated 2.4 GHz PA, 5 GHz PA, transmit filter, transmit/receive switches, and diplexers
• Integrated power detector for each transmit chain
• Power: +21 dBm, 802.11b, 11 Mbps, ACPR = +35 dBc; +18 dBm @ 3.0% EVM, 802.11n, 64 QAM, 2G; +16 dBm @ 3.0% EVM, 802.11n, 64 QAM, 5G; +16 dBm @ 1.8% EVM, 802.11ac, 256 QAM, 2G; +13 dBm @ 1.8% EVM, 802.11ac, 256 QAM, 5G
• Single supply voltage: 3.3 V ± 10%
• Small LGA (24-pin, 4 x 4 mm) package (MSL3, 250 ℃ JEDEC J-STD-020)

• 802.11b DSSS WLAN
• 802.11a/g OFDM WLAN
• 802.11n/ac WLAN
• Access points, PCMCIA, PC cards