Front end of low power transmitter for wireless capsule endoscope
A low power transmitter front end for the application of a capsule endoscope operating at ISM band of 434 MHz has been proposed. The proposed architecture is aim to achieve low power consumption which is the essential parameter in a capsule endoscope. The transmitter front end is implemented us...
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| Main Authors: | , , , |
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| 格式: | Conference or Workshop Item |
| 出版: |
IEEE
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| 在線閱讀: | http://psasir.upm.edu.my/id/eprint/39267/ |
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| 總結: | A low power transmitter front end for the
application of a capsule endoscope operating at ISM band of 434
MHz has been proposed. The proposed architecture is aim to
achieve low power consumption which is the essential parameter
in a capsule endoscope. The transmitter front end is implemented
using Silterra 0.13 um CMOS technology and consists of an upconversion
mixer and a voltage controlled oscillator. The current
consumption of the system is 1.57 mA with the supply voltage of
1.2 V. Output power is found to be -14.4 dBm and the phase noise
of the ring oscillator is -81.76 dBc/Hz at offset frequency of 160
kHz. |
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