高增益GPS前端方案

Solutions 8AF0A1      Label: Avago、 GPS方案、     Category: 汽車(chē)電(diàn)子

Solution design plan:

List of key devices for the solution:

Type Model Manufacturer Instruction
MCU SPC5604PEF1MLL6 freescale microcontroller units (MCUs)

Schedule Description:

Avago公(gōng)司的ALM-1812是高增益低噪音GPS前端放大器,組合了高增益LNA和GPS FBAR濾波器.LNA采用(yòng)Avago的GaAs增強模式pHEMT工(gōng)藝,而一流的FBAR濾波器在Cell/PCS頻段有(yǒu)極好的抑制特性,大于85dB. ALM-1812的增益為(wèi)19.1dB,NF為(wèi)1.66dB,IIP3 = 2 dBm, IP1dB = -8 dBm.ALM-1812應用(yòng)電(diàn)路如圖所示.

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