Chapter1 Introduction to RF and Wireless Technology
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Transcript of Chapter1 Introduction to RF and Wireless Technology
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Chapter 1 Introduction to RF and Wireless Technology
1.1 A Wireless World 1.2 RF Design is Challenging 1.3 The Big Picture
Behzad Razavi, RF Microelectronics. Prepared by Bo Wen, UCLA
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Chapter Outline
A Wireless WorldRF Design Challenges
Big Picture of RF System Wireless Communication
in Life Trend in RF Development
Multitude of Disciplines
RF Trade-offs Demand for cost and
performance
TX and RX
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A Wireless World
High-speed wireless links (WiFi, Bluetooth) allow seamless connections among device and appliance.
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Explosive Growth of Wireless Communication
The affordability of low cost and multiple functions finds its roots in Integration
Performance of RF circuits has also improved.
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RF Design is Challenging: Multi-discipline
RF design draws upon a multitude of disciplines.
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RF Design is Challenging: Trade-offs
RF circuits and transceivers must deal with numerous trade-offs. Demand for higher performance, lower cost and greater functionality
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The Big Picture: RF Communication
TX: Drive antenna with high power level
RX: Sense small signal(amplify with low noise)
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The Big Picture: Generic RF Transceiver
Signals are upconverted/downconverted at TX/RX, by an oscillator controlled by a Frequency Synthesizer
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References ( )Ⅰ
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References ( )Ⅱ