Outline
- Abstract
- 1. Introduction
- 2. Proposed Impedance Multiplier
- 3. Simulation Results
- 4. Nonideal Analysis
- 4.1. Stability Analysis
- 5. Applications
- 6. Conclusion
- Conflicts of Interest
- Acknowledgments
- References
رئوس مطالب
- 1. معرفی
- 2. ضرب کننده امپدانس ارایه شده
- 3. نتایج شبیه سازی
- 4. تحلیل غیر ایده آل
- 4.1 تحلیل پایداری
- 5. کاربرد
- 6. نتیجه گیری
Abstract
This paper presents a new compact controllable impedance multiplier using CMOS technology. The design is based on the use of the translinear principle using MOSFETs in subthreshold region. The value of the impedance will be controlled using the bias currents only. The impedance can be scaled up and down as required. The functionality of the proposed design was confirmed by simulation using BSIM3V3 MOS model in Tanner Tspice 0.18 μm TSMC CMOS process technology. Simulation results indicate that the proposed design is functioning properly with a tunable multiplication factor from 0.1- to 100-fold. Applications of the proposed multiplier in the design of low pass and high pass filters are also included.
Conclusions
A new simple and compact impedance multiplier was developed. The design is free of passive elements. The multiplication factor is controllable in the range from 0.1 to 100, which is large compared with previously reported designs. The proposed circuit can be used to scale either the capacitance or the resistance. We believe the developed design will be an excellent building block in integrated circuit design for applications where large time constant is required.