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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Guoping Cui Haigang Yang Shanhong Xia |
| Copyright Year | 2006 |
| Description | Author affiliation: Chinese Acad. of Sci., Beijing (Guoping Cui; Haigang Yang; Shanhong Xia) |
| Abstract | This paper presents a preamplifier for the MEMS-based electrostatic field sensor (EFS). Being different from the conventional way of using an operational amplifier with a feedback resistor, this preamplifier takes advantage of the cascode structure to realize current to voltage conversion more efficiently. With its main conversion part containing only eight transistors, this preamplifier can realize a transimpedance as high as $10^{9}.$ To improve the temperature performance and stabilize the output DC level, biasing circuit and feedback network are developed. Theoretical calculation is done to give a thorough understanding of the circuit, which meanwhile reveals that the transimpedance is equal to the output cascode impedance. Moreover, the band pass filter profile of this circuit makes it especially suitable for the EFS. The simulation result in Spectre using standard CMOS technology is obtained to confirm the theory. |
| Starting Page | 872 |
| Ending Page | 875 |
| File Size | 1218733 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424403758 |
| ISSN | 19300395 |
| DOI | 10.1109/ICSENS.2007.355606 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-10-22 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Preamplifiers Electrostatics CMOS technology Operational amplifiers Resistors Voltage Temperature Feedback circuits Output feedback Impedance |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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