10-MHz 60-DB Dynamic-Range 6-dB Variable Gain Amplifier

hi_china59

10-MHz 60-DB Dynamic-Range 6-dB Variable Gain Amplifier

Abstract of the Thesis lX
1 Introduction
1.1 Background . . .
1.2 Motivation and Challenge
1.3 Application Notes .

2 Circuit Design
2.1 Interpolation U sing Dual-Input Operational Amplifer .
2.2 Architecture of the VGA .
2.3 Multi-Input-Stage.
2.4 Telescopic-Cascode Stage .
2.5 Differential Output Stage .
2.6 Feedback....
2.7 CMFB Circuit .
2.8 Input Voltage Buffer
2.9 Gain Control Circuit

3 Design Considerations 24
3.1 Nonlinear Distortion . . . . . . . . . . . . . . . . . . . . . . . . . .. 24
3. 1.1 Basic Theory . . . . . . . . . . . . . . . . . . . . . . . . . .. 24
3. 1.2 Distortion in a CMOS Differential Pair: Example Calculation 27
3. 1.3 Circuit Analysis - Multi-Input-Stage .
3. 1.4 Circuit Analysis - Output Stage
3.2 Frequency Compensation .
3.3 Noise Performance
3.4 Determination of Values
3.4.1 Power Dissipation .
3.4.2 Aspect Ratios of CMOS Devices .

4 Layout Considerations
4.1 Differences between Simulation and Layout .
4.2 Physical Layout .
4.2.1 Layout of Capacitor
4.2.2 Layout of Resistor
4.2.3 Layout of Transistors
4.2.4 Bonding Pads and Packaging
4.3 Bias Circuit
4.4 Floor Plan . . .

5 Simulation and Testing
5.1 Design and Simulation
5.1.1 Approach
5.1.2 Simulation Results
5.2 Circuit Testing and Measurements .
5.2.1 Test Equipments
5.2.2 Measured Results
5.3 Conclusions
5.3.1 Summary
5.3.2 Further Improvements
A Harmonic Distortion and Predistortion 87
Bibliography 91

pickpunk

96年的VGA

ghostrun

1# hi_china59 good

ghostrun

3# ghostrun interesting

hsn

thank you..

tmhmark

pus1

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dolphin75

thanks a lot!

efong

THANK YOU

riven60797

thanks