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- Bien, Franklin
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The Verification of Quiescent Current Increase at High Supply Voltage in Class AB Amplifier with Translinear Circuit
- Author(s)
- Heo, Sang-hyun, Nguyen, Ngoc Quang, Bien, Franklin
- Issued Date
- 2014-01-15
- Citation
- International Conference on Electronics, Information and Communication
- Abstract
- In this paper, the effect of quiescent current increase which is caused by high supply voltage in Class AB output stage is presented. Class AB output stage demand low quiescent current (IQ) which means low power consumption and high IMAX of IQ value which means high efficiency. However, quiescent current is increased when supply voltage increase. It makes power consumption increase. It is proven that when supply voltage is changed from 3V to 6V quiescent current is 69% increased. The circuit is simulated in a 0.18-μm High Voltage CMOS technology.
- Publisher
- IEEE
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