• Journal of Korean Philosophical Society
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• v.116
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• pp.207-224
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• 2010

Belief is generally understood as a mental phenomenon which is aimed to attain objective information of the world. Thus, the content of belief is not something that can be manipulated or created by men. The primary function of belief in a word is to represent the world correctly. Now, William James in his "The Will to Believe" challenges this view. According to James, one can come to believe something by choosing to believe it. And he argues for his position by criticizing W. K. Clifford who wrote an essay entitled "The Ethics of Belief". In this paper, I examine both arguments given by them and show whose position is more convincing.

• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.23 no.1
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• pp.68-75
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• 2012

The load-insensitivity of the balanced power amplifier(PA) for W-CDMA handset applications is analyzed. The load impedances of the two parallel amplifiers in the balanced PA depending on the output load mismatch are mathematically calculated and with the result, the phase of reflection coefficient at which the linear output power is severely degraded is investigated. From the analysis, we proposed that the linearity of the balanced PA at the phase can be improved by properly increasing the transistor size and thus, multiple balanced PA's with different transistor size are designed and simulated. The simulation result showed that the balanced PA with larger transistor size has improved linear output power under VSWR=4:1.