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Design of a CMOS 4th-order channel select filter for integrated dual mode Bluetooth/WLAN direct-conversion receiver is presented. The bandwidth of the filter can be programmed from 200 kHz to 8 MHz to accommodate both standards. The proposed filter provides low power, and small area design solution. Simulation results show that the filter satisfies the selectivity and dynamic range requirements of...
A Q-enhanced L C filter, implemented before, is investigated with some enhancements and small changes; trying to remove the off-chip filter needed before the low noise amplifier in a front-end receiver. The proposed Q-enhanced filter delivers about 25.4 dB of voltage gain, 3.4 dB noise figure, 1-dB compression point dynamic range of 144 dB.Hz, 28 MHz of 3-dB bandwidth and operating at 2.55 G Hz as...
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