Citation: |
Chenjian Wu, Zhiqun Li, Ge Sun. A low voltage low power up-conversion mixer for WSN application[J]. Journal of Semiconductors, 2014, 35(4): 045006. doi: 10.1088/1674-4926/35/4/045006
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C J Wu, Z Q Li, G Sun. A low voltage low power up-conversion mixer for WSN application[J]. J. Semicond., 2014, 35(4): 045006. doi: 10.1088/1674-4926/35/4/045006.
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A low voltage low power up-conversion mixer for WSN application
DOI: 10.1088/1674-4926/35/4/045006
More Information
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Abstract
This paper presents an up-conversion mixer for 2.4-2.4835 GHz wireless sensor networks (WSN) in 0.18 μm RF CMOS technology. It was based on a double-balanced Gilbert cell type, with two Gilbert cells having quadrature modulation applied. Current-reuse and cross positive feedback techniques were applied in the mixer to boost conversion gain; the current source stage was removed from the mixer to improve linearity. Measured results exhibited that under a 1 V power supply, the conversion gain was 5 dB, the input referred 1 dB compression point was -11 dBm and the ⅡP3 was -0.75 dBm, while it only consumed 1.4 mW.-
Keywords:
- low voltage,
- low power,
- current-reuse,
- positive feedback,
- mixer
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References
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