Transcription of Practical Considerations for Low Noise Amplifier Design ...
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1 Freescale Semiconductor, White Paper Rev. 0, 5/2013 Practical Considerations for Low NoiseAmplifier DesignBy Tim DasFreescale Semiconductor Freescale Semiconductor, Inc., 2013. All rights 0, 5/2013 Freescale SemiconductorWhite PaperPractical Considerations for Low Noise Amplifier Design 2 Freescale Semiconductor, White Paper Rev. 0, 5/2013 INTRODUCTIONLow Noise amplifiers (LNAs) play a key role in radio receiver performance. The success of a receiver s Design is measured inmultiple dimensions: receiver sensitivity, selectivity, and proclivity to reception errors.
Practical Considerations for Low Noise Amplifier Design 4 Freescale Semiconductor, Inc. RFLNA White Paper Rev. 0, 5/2013 • Gsys is the linear system gain. • SFDR(Pin =Pblkr) is the input−referred, spurious−free, dynamic range with the largest expected blocker signal power (Pblkr) present at the receiver input.
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