| Wu Chenjian (吴晨健),Li Zhiqun.[J].高技术通讯(英文),2013,19(3):228~232 |
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| A low power quadrature up-conversion mixer for WSN application |
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| DOI： |
| 中文关键词: |
| 英文关键词: mixer, low power, Gilbert, operational amplifier |
| 基金项目: |
| Author Name | Affiliation | | Wu Chenjian (吴晨健) | | | Li Zhiqun | |
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| 中文摘要: |
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| 英文摘要: |
| This paper presents an up-conversion mixer for 2.4GHz wireless sensor networks in 0.18μm RF complementary metal-oxide semiconductor (CMOS) technology. It is based on a double-balanced Gilbert cell type. With two Gilbert cells it was applied quadrature modulation. Operational amplifiers are used in this design to improve the conversion gain under low power consumption. The mixer design is based on 0.18μm RF CMOS process. And the mixer test results indicate that under 1.8V power supply, with input frequency 2.4-2.4835GHz, the conversion voltage gain is 1.2-2dB. When the output frequency is 2.4GHz, its power gain is -4.46dB, and its input referred 1dB compression point is -11.5dBm and it consumes 1.77mA current. |
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