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[原创] [EBook]Inverter-Based Circuit Design Techniques for Low Supply Voltages

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发表于 2018-8-30 22:28:18 | 显示全部楼层 |阅读模式

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Inverter-Based Circuit Design Techniques for Low Supply Voltages

Authors: Palani, Rakesh Kumar, Harjani, Ramesh


1 Introduction .................................................................. 1
1.1 Traditional Operational Transconductance ............................ 4
1.2 Differential Pair Versus Inverter ........................................ 7
1.3 Non Linearity Analysis ................................................. 9
1.4 Noise Analysis .......................................................... 10
1.5 Inverter Transconductor................................................. 11
1.6 Non-linearity Cancellation Techniques ................................ 13
1.7 Organization ............................................................. 14
2 Biasing ........................................................................ 17
2.1 Semi-constant Current Biasing ......................................... 17
2.1.1 Optimal NMOS-PMOS Ratioing .............................. 19
2.1.2 Non Linearity Cancellation in Inverters ....................... 20
2.1.3 Case 1: Small Input ............................................. 21
2.1.4 Case 2: Large Input ............................................. 22
2.1.5 Simulation ....................................................... 23
2.2 Constant Current Biasing ............................................... 23
2.3 Constant-gm Biasing.................................................... 25
2.4 Conclusion .............................................................. 27
3 Inverter Based OTA Design ................................................ 29
3.1 OTA Design ............................................................. 30
3.1.1 Common Mode Rejection Stage ............................... 31
3.1.2 Gain and Driver Stage .......................................... 32
3.2 Measurement Results ................................................... 34
3.3 Conclusion .............................................................. 39
4 ADC Driver .................................................................. 41
4.1 ADC Driver ............................................................. 42
4.2 OTA Driving Load ...................................................... 42
4.2.1 Driving Load Capacitor Directly............................... 42
4.2.2 Driving Load Capacitor Through Resistor .................... 43

4.3 Continuous and Discrete Time ADC Driver ........................... 46
4.3.1 Continuous Time Driver ........................................ 46
4.3.2 Discrete Time Driver ........................................... 48
4.4 Simulation to Verify Noise Filtering ................................... 49
4.5 ADC Driver Architecture ............................................... 51
4.6 Components of the ADC Driver ........................................ 52
4.6.1 Current Mirror Design .......................................... 52
4.6.2 Trans-Impedance Amplifier (TIA) Design .................... 54
4.6.3 Anti-Alias Filter ................................................ 56
4.6.4 Sampler.......................................................... 56
4.6.5 Passive Amplification........................................... 57
4.7 Measurements ........................................................... 57
4.8 Conclusion .............................................................. 61
5 Current Mirror Based Filter ............................................... 63
5.1 Integrator Design ........................................................ 65
5.1.1 Non-Linearity Cancellation .................................... 67
5.1.2 Bandwidth Limitation Effects .................................. 69
5.1.3 Gain Limitation Effects......................................... 70
5.1.4 Noise Analysis .................................................. 71
5.2 Filter Design............................................................. 72
5.2.1 Current-Domain Biquad ........................................ 72
5.2.2 Effect of OTA Nonidealities on Biquad ....................... 73
5.2.3 Butterworth Filter Design ...................................... 74
5.2.4 Compensation of the Amplifiers ............................... 75
5.2.5 Noise Comparison with Active RC Integrator Filter .......... 78
5.3 Measurements ........................................................... 82
5.4 Conclusion .............................................................. 85
6 All MOSCAP Based Continuously Tunable Filter ....................... 87
6.1 Filter Architecture....................................................... 88
6.1.1 Root Locus ...................................................... 88
6.1.2 First-Order System.............................................. 90
6.1.3 Third Order Filter ............................................... 95
6.2 Biasing and CMFB...................................................... 95
6.3 Measurement Results ................................................... 96
6.4 Conclusion .............................................................. 100
7 ADC ........................................................................... 103
7.1 ADC Architecture ....................................................... 106
7.2 DAC Design ............................................................. 107
7.3 Sampler Design ......................................................... 108
7.4 Preamp Design .......................................................... 108
7.4.1 Input Voltage Range ............................................ 110
7.4.2 Preamp Transconductance Linearity ........................... 111

7.4.3 Input Capacitance Linearity .................................... 113
7.4.4 Gate Leakage.................................................... 113
7.5 Measurement Results ................................................... 114
7.6 Conclusion .............................................................. 120

References......................................................................... 123


Inverter-Based Circuit Design Techniques for Low Supply Voltages.pdf (4.95 MB, 下载次数: 614 )
发表于 2018-8-30 23:05:35 | 显示全部楼层
谢谢分享,学习一下。
发表于 2018-8-31 00:49:13 | 显示全部楼层
good doc.
thank you for your share!
发表于 2018-8-31 04:03:41 | 显示全部楼层
Lankan
发表于 2018-8-31 07:48:25 | 显示全部楼层
kankan
发表于 2018-8-31 08:19:54 | 显示全部楼层
多谢分享
发表于 2018-8-31 08:34:54 | 显示全部楼层
Springer2017的书
发表于 2018-8-31 08:45:31 | 显示全部楼层
好書不寂寞 !! 給您加油!!
发表于 2018-8-31 09:50:33 | 显示全部楼层
好书,谢谢分享!
发表于 2018-8-31 10:33:59 | 显示全部楼层
thankyou
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