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Fully Integrated Silicon Terahertz Transceivers for.pdf
(9.68 MB, 下载次数: 467 )
Contents
List of Figures iv
List of Tables vii
1 Introduction 1
1.1 Terahertz Overview………………………………………………………………………...2
1.1.1 Terahertz Regime………….…………………………………………….……………2
1.1.2 Terahertz Gap.…………………………………………………………...……………2
1.1.3 Terahertz Source in Photonics……….………….……………….……………………3
1.1.4 Terahertz Source in Electronics…………………….………………...………………4
1.2 Terahertz Applications….…………………………………………………………...……10
1.2.1 Terahertz Sensing……..………………………………………………………..……10
1.2.2 Terahertz Short Range Communication…………………………………..…………11
1.3 Atmospheric Attenuation in Terahertz………………………………………...………….12
1.4 Thesis Outline……………………………………………………………………….…....13
2 On-chip Antennas in (Bi) CMOS Technology 14
2.1 Introduction………………………………….……………………………………………14
2.2 Loss Mechanism in On-chip Antenna in Silicon.…...……………………………………15
2.2.1 Loss from Low Resistive Silicon Substrate…...….………….……………………...15
2.2.2 Surface-wave Mode Excitation on Silicon Substrate………………………..……....16
2.3 Wafer-thinning Approach for Dipole and Slot Antennas...………………………………18
2.3.1 Antenna Radiation Efficiency……………………….………………………………18
2.3.2 On-chip Folded Slot Antenna with Thinned Silicon Substrate...…………………....19
2.3.3 100 GHz Folded Slot Antenna Design with Wafer-thinning…………..……………20
2.4 On-chip Antenna with Microstrip Structure……………………………………...………22
2.4.1 Microstrip Rectangular Patch Antenna………...….……………….…..……………22
2.4.2 Microstrip Half-width Leaky-wave Antenna…..……………………………………31
2.5 Conclusion……...…...……...………………………………………………….…………37
3 A 0.38 THz Fully Integrated FMCW Radar Transceiver in BiCMOS 38
3.1 Introduction……………………………...……………………………………….…….…38
3.2 Harmonic Generation with N-Push Circuitry……………………......................................39
3.2.1 Generalized N-push Harmonic generator……...……………………………….……39
3.2.2 BJT Clamping Circuit Analysis..…...…………………………………………….…40
3.3 Terahertz FMCW Transceiver Design…...……………………………………………….48
3.3.1 Terahertz FMCW Transceiver Architecture……...……….…………………...……48
iii
3.3.2 Fundamental Signal Generation………………………………..……………………50
3.3.3 Transmitter Circuit Design…………………………………………..………………53
3.3.4 Receiver Circuit Design………………………………………..……...…….………56
3.4 Passive Elements……………………………………………………………………….....59
3.4.1 Coplanar Stripline (CPS) Characterization………..…………………...……………59
3.4.2 On-chip Patch Antenna Design…………………………………….…..……………63
3.5 Measurement………………………………………………………………...……………65
3.6 Conclusion……………………………………………..…………………...…………….68
4 A 0.26 THz Fully Integrated Wireless Transceiver in CMOS 73
4.1 Introduction………………………………………………………………...……………..73
4.2 Short Range Communication System……………………………………...…………......74
4.2.1 Required Signal to Noise Ratio………………………………………..…….……....74
4.2.2 Multiple Antenna Transceiver with Spatial Diversity……..…………...……………75
4.2.3 Modulation Scheme for Terahertz Short Range Communication……...……............77
4.2.4 Link Budget Analysis…………………………………………..……………………80
4.3 CMOS Terahertz Wireless Transceiver Architecture………………………...…..………82
4.4 Transmitter Circuits…………………………………………………………...………….84
4.4.1 260 GHz Quadrupler……………………………………………………..……….....84
4.4.2 V-band Hybrid…………………………………………………………………….....86
4.4.3 Distributed Non-coherent OOK Modulator in V-band…………………...………....88
4.4.4 V-band D-1 Power Amplifier….….……………………………………...…………..90
4.4.5 PRBS Generator.. ………………………………………………………...…….……93
4.5 Receiver Circuits…………………………………………………..…………...…………94
4.5.1 195 GHz Tripler………………………………………….………………………….94
4.5.2 Demodulator……………………………………………….……………...…….…...97
4.5.3 260 GHz Double Balanced Mixer……….………………….……………....……….99
4.5.4 V-band Wideband IF Amplifier……………………….…….……………...….…..101
4.5.5 V-band Voltage Controlled Oscillator………………….….………….…...………103
4.6 Tx/Rx Dual On-chip Antenna Design ………………………….……………………….104
4.6.1 Half-width Microstrip Leaky-wave Antenna……………….……..……………….104
4.6.2 Tx/Rx Dual Half-width MLWA….…………...…………………………...……….104
4.7 Measurement…………………………………………………………………………….107
4.8 Conclusion………………………………………………………………………………110
5 Conclusion 111
5.1 Thesis Summary…………………………………………………………………………111
5.2 Future Directions………………………………………………………………………112
Bibliography 114 |
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