A harmonic rejection mixer for cognitive radio application
Article No.: 33, Pages 1 - 5
Abstract
For cognitive radio application, a harmonic rejection mixer (HRM) with current mirror amplifier is proposed. In the proposed HRM, gain ratio can be set accurately using the current mirror amplifier to achieve high harmonic rejection ratio without mismatch calibration circuits. Furthermore, a harmonic rejection ratio of the HRM is immune to a supply voltage, temperature, and process variation. The HRM can be designed at a lower supply voltage compared to a conventional HRM due to a folded switching stage. The HRM is designed in 0.13 μm CMOS process. A third and fifth-order harmonic rejection ratio of the proposed HRM are 52.6 and 50.8 dB. The harmonic rejection mixer consumes 11.5 mA from 1.5 V supply voltage.
References
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Index Terms
- A harmonic rejection mixer for cognitive radio application
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Published In
January 2013
772 pages
ISBN:9781450319584
DOI:10.1145/2448556
Copyright © 2013 ACM.
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Published: 17 January 2013
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ICUIMC '13: The 7th International Conference on Ubiquitous Information Management and Communication
January 17 - 19, 2013
Kota Kinabalu, Malaysia
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