Designing a new high gain CMOS amplifier towards a 17.22 MHz MEMS based Si oscillator for a cost effective clock generator IC
A novel sustaining amplifier is designed and characterized for a Si-based MEMS resonator, in implementing a reference oscillator in 180 nm CMOS process. A two port electrical model of the MEMS resonator is used to compute the insertion loss (-76 dB) and phase shift (95 degrees). Total open loop tran...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Institute of Electronics, Information and Communication Engineers (IEICE)
2015
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/15843/1/Designing_a_new_high_gain_CMOS_amplifier_towards_a_17.22_MHz_MEMS_based_Si_oscillator_.pdf http://eprints.um.edu.my/15843/ https://www.jstage.jst.go.jp/article/elex/12/10/12_12.20150272/_pdf |
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| Summary: | A novel sustaining amplifier is designed and characterized for a Si-based MEMS resonator, in implementing a reference oscillator in 180 nm CMOS process. A two port electrical model of the MEMS resonator is used to compute the insertion loss (-76 dB) and phase shift (95 degrees). Total open loop transimpedance gain is achieved as 122 dB Omega with -70 degrees phase shift, at the resonant frequency of 17.22 MHz. This amount of gain is investigated as capable to sustain MEMS resonator's oscillation, in the realization of a cost effective, miniaturized and low power CMOS reference oscillator which oversees on application in clock generation. |
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