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Front end of low power transmitter for wireless capsule endoscope


Lioe, De Xing and Shafie, Suhaidi and Ramiah, Harikrishnan and Sulaiman, Nasri Front end of low power transmitter for wireless capsule endoscope. In: 2012 International Conference on Circuits and Systems (ICCAS 2012), 3-4 Oct. 2012, Kuala Lumpur. (pp. 116-119).


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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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1109/ICCircuitsAndSystems.2012.6408285
Publisher: IEEE
Keywords: Transmitter; Mixer; Ring oscillator; Low power
Depositing User: Azian Edawati Zakaria
Date Deposited: 13 Jul 2015 01:54
Last Modified: 13 Jul 2015 01:54
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/ICCircuitsAndSystems.2012.6408285
URI: http://psasir.upm.edu.my/id/eprint/39267
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