| Citation: |
Yang Lijun, Gong Zheng, Shi Yin, Chen Zhiming. A highly linear baseband Gm-C filter for WLAN application[J]. Journal of Semiconductors, 2011, 32(9): 095007. doi: 10.1088/1674-4926/32/9/095007
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Yang L J, Gong Z, Shi Y, Chen Z M. A highly linear baseband Gm-C filter for WLAN application[J]. J. Semicond., 2011, 32(9): 095007. doi: 10.1088/1674-4926/32/9/095007.
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Abstract
A low voltage, highly linear transconductance-C(Gm-C) low-pass filter for wireless local area network (WLAN) transceiver application is proposed. This transmitter (Tx) filter adopts a 9.8 MHz 3rd-order Chebyshev low pass prototype and achieves 35 dB stop-band attenuation at 30 MHz frequency. By utilizing pseudo-differential linear-region MOS transconductors, the filter IIP3 is measured to be as high as 9.5 dBm. Fabricated in a 0.35 μ m standard CMOS technology, the proposed filter chip occupies a 0.41 × 0.17 mm2 die area and consumes 3.36 mA from a 3.3-V power supply.-
Keywords:
- wireless local area network
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References
[1] [2] [3] [4] [5] -
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