参数资料
型号: SST12LF01-QDF
厂商: Microchip Technology
文件页数: 2/21页
文件大小: 0K
描述: IC FRONT-END MODULE 24WQFN
标准包装: 3,000
RF 型: Bluetooth,WLAN
频率: 2.4GHz
封装/外壳: 12-WFQFN 裸露焊盘
供应商设备封装: 24-WQFN(4x4)
包装: 带卷 (TR)
2.4 GHz Front-End Module
A Microchip Technology Company
SST12LF01
Data Sheet
Product Description
The SST12LF01 is a 2.4 GHz Front-End Module (FEM) that combines a high-performance Low-Noise
Amplifier (LNA) and a Power Amplifier (PA).
Designed in compliance with IEEE 802.11 b/g/n applications and based on GaAs PHEMT/HBT tech-
nology, the SST12LF01 operates within the frequency range of 2.4–2.55 GHz at a very low DC-current
consumption. There are two components to the FEM: the Receiver (RX) chain and the Transmitter
(TX) chain.
The RX chain consist of a cost effective Low-Noise Amplifier (LNA) cell which requires no external RF-
matching components. This device is based on the 0.5m GaAs PHEMT technology, and complies with
802.11 b/g/n applications.
The LNA provides high-performance, low-noise, and moderate gain operation within the 2.4–2.55 GHz
frequency band. Across this frequency band, the LNA typically provides 12 dB gain and 1.45 dB noise
figure.
This LNA cell is designed with a self DC-biasing scheme, which maintains low DC current consump-
tion, nominally at 11 mA, during operation. Optimum performance is achieved with only a single power
supply and no external bias resistors or networks are required. The input and output ports are singled-
ended 50 Ohm matched. RF ports are also DC isolated requiring no dc blocking capacitors or match-
ing components to reduce system board Bill of Materials (BOM) cost.
The TX chain includes a high-efficiency PA based on InGaP/GaAs HBT technology. The PA typically
provides 30 dB gain with 22% power-added efficiency at P OUT = 22 dBm for 802.11g and 27% power-
added efficiency at P OUT = 24 dBm for 802.11b.
The Transmitter chain has excellent linearity, typically <4% added EVM up to 20 dBm output power,
which is essential for 54 Mbps 802.11g operation while meeting 802.11g spectrum mask at 23 dBm.
The SST12LF01 is offered in 24-contact WQFN package. See Figure 2 for pin assignments and Table 1
for pin descriptions.
?2011 Silicon Storage Technology, Inc.
2
DS75040A
12/11
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