The SST11LP12 is a high-power, high-gain power amplifier based on the highly-reliable InGaP/ GaAs HBT technology. The SST11LP12 can be easily configured for high-power, high-efficiency applications with superb power-added efficiency while operating over the entire 802.11a frequency band for U.S., European, and Japanese markets (4.9-5.8GHz). It typically provides 35 dB gain with 16% poweradded efficiency @ POUT = 23 dBm.
The SST11LP12 has excellent linearity, typically ~4% added EVM at 21 dBm output power which is essential for 54 Mbps 802.11a operation while meeting 802.11a spectrum mask at 23+ dBm. SST11LP12 also has wide-range (>20 dB), temperature-stable (~1 dB over 85°C), singleended/differential power detectors which lower users’ cost on power control.
The power amplifier IC also features easy board-level usage along with high-speed power-up/ down control. Ultralow reference current (total IREF <3 style="font-weight: bold;">802.11a WLAN transmitter and access point applications.
Figure 1The SST11LP12 is offered in 16-contact WQFN package. See Figure 1 for pin assignments and Table 1 for pin descriptions.
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