2.4 GHz High-Power and High-Gain Power Amplifier
SST12CP11
A Microchip Technology Company
Product Brief
The SST12CP11 is a high-power and high-gain power amplifier (PA) based on the
highly-reliable InGaP/GaAs HBT technology.This PA can be easily configured for
high-power applications with good power-added efficiency while operating over the
2.4-2.5 GHz frequency band. It typically provides 34 dB gain and has excellent linearity, typically ~3% added EVM at 25 dBm output power, which is essential for 54
Mbps 802.11g/n operation while meeting 802.11g spectrum mask at 28.5 dBm. The
power amplifier IC also features easy board-level usage along with high-speed
power-up/-down control. The SST12CP11 is offered in 16-contact VQFN package.
Features
Block Diagram
• High Gain:
VCC1 VCC2 VCC3
– Typically 34 dB gain across 2.4–2.5 GHz
• High linear output power (at 5V)
– >30 dBm P1dB
– Meets 802.11g OFDM ACPR requirement up to 28.5
dBm
– Added EVM ~3% up to 25 dBm for 54 Mbps 802.11g
signal
– Meets 802.11b ACPR requirement up to 28.5 dBm
RFIN
RFOUT
• High-speed power-up/down
VREF1
– Turn on/off time (10%-90%)
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