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An interference-robust reconfigurable receiver in 65-nm CMOS is presented. The front end is split into a low-band (LB) RF path (0.1–1.5 GHz) and a high-band (HB) RF path (1–5 GHz). By utilizing a harmonic recombination technique, the LB path could reject the third /fifth-order harmonic interferences. A tunable narrowband dual-feedback common-gate low-noise amplifier (LNA) with $LC$ resonant load...
A fully integrated reconfigurable low-power Sub-GHz transceiver for 802.11ah is presented. The receiver uses the low-IF/zero-IF reconfigurable architecture to support 1, 2 and 8MHz signal bandwidth, and the needed number of the Op-Amps in the analog baseband is reduced to 3 while providing 4th-order channel filtering and programmable gain amplification. The transmitter uses the digital polar architecture,...
A low-pass (LP) /Complex band-pass (CBP) reconfigurable analog baseband for low-power Wi-Fi receiver is presented. A reversed Thomas-Tow Bi-Quad is cascaded with another Bi-Quad based on only one Op-Amp to provide 4th-order filtering characteristics and programmable gain, which reduces the power consumption significantly. The embedded Op-Amp uses the quasi-floating-gate (QFG) technique to achieve...
A new text recognition algorithm is proposed based on Shape Context and Fuzzy inference to solve the corresponding problems. And the algorithm is used to improve accuracy and effectiveness of recognition. Then experiments results show that our proposed method is effective.
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