900mhz, 0.9 V低功耗CMOS下变频混频器

Proceedings of the IEEE 2001 Custom Integrated Circuits Conference (Cat. No.01CH37169) Pub Date : 2001-05-06 DOI:10.1109/CICC.2001.929835

C. J. Debono, F. Maloberti, J. Micaller

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引用次数: 31

摘要

介绍了一种低电压、低功率混频器，其工作电压为0.9 V，功耗为4.7 mW。该电路采用电流模式处理实现乘法运算。此外，利用了不需要电流尾发电机的非常规差分对。该电路采用标准的双聚三金属0.35 /spl mu/m CMOS工艺制造，阈值电压为0.6 V。对900 MHz和800 MHz输入信号的测量结果表明，该电路的IIP3为3.5 dBm, 1 dB压缩点为-8 dBm，噪声系数为13.5 dB。

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A 900 MHz, 0.9 V low-power CMOS downconversion mixer

A low-voltage, low-power mixer operating at a supply voltage of 0.9 V while consuming 4.7 mW is presented. The circuit achieves the multiplication using current mode processing. Moreover, non-conventional differential pairs that do not require current tail generators are utilized. The circuit has been fabricated in a standard double-poly, triple-metal 0.35 /spl mu/m CMOS process having a threshold voltage of 0.6 V. Measurement results for 900 MHz and 800 MHz input signals indicate that the circuit has an IIP3 of 3.5 dBm, a 1 dB compression point of -8 dBm and a noise figure of 13.5 dB.

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Proceedings of the IEEE 2001 Custom Integrated Circuits Conference (Cat. No.01CH37169)

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