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- Kim, Hak Sun
- Internet of Things System Lab.
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GaAs MESFET를 이용한 광대역 연산증폭기 회로의 설계 및 Simulation
- Alternative Title
- A Study on the Design of Broadband Operational Amplifier and Circuit Simulation Using GaAs MESFETs
- Issued Date
- 1991-08
- Citation
- 전자공학회논문지, v.28, no.8, pp.647 - 655
- Abstract
- In this paper, a high gain operational amplifier using GaAs MESFETs that have intrinsically the low voltage gain(gmrds) at high frequencies has been designed and simulated. The amplifier is composed of a differential input stage with multi-current path and is internally compensated. An open loop gain of 35.7dB a 500 MHz and 51dB at 100MHZ was archived by using gain stage with self-bootstrap. The result of Pspice simulation show that designed OP AMP has a higher gain at high frequncies and the improved phase margin of 80 by using internal compensation capacitor.
- Publisher
- 대한전자공학회
- ISSN
- 1016-135X
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