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가변 채널 대역폭 초광대역 라디오 CMOS가우시안 펄스 발생기
- Alternative Title
- A CMOS IR-UWB Gaussian Pulse Generator with Variable Channel and Bandwidth
- Author(s)
- 최재민
- Alternative Author(s)
- Choi Jaemin
- Advisor
- 권익진
- Department
- 일반대학원 전자공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2015-08
- Language
- eng
- Keyword
- pulse generator; sidelobe
- Alternative Abstract
- A Gaussian pulse generator for an ultrawideband impulse radio transmitter is presented. The proposed Gaussian pulse generator is based on digital intensive circuits, and the center frequency and band-width of a pulse can be controlled by a digitally tunable delay circuit and pulse width control circuit. The Gaussian pulse can be obtained by the weighted summing amplifier controlled by a digital switching sig-nal without an additional LC filter. It employs a Gaussian pulse shaper that has tunable weighting factors with bandwidth control. The energy consumption of the pulse generator is 37.4 pJ per pulse from 1.2-V supply voltage and sidelobe rejection of 20 dB is achieved without a filter. Proposed Gaussian pulse shaper is designed in a 0.11 µm CMOS technology.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Electronic Engineering > 3. Theses(Master)
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