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This paper describes a CMOS LNA for Bluetooth/IEEE802.11b front-end receiver in a TSMC 0.18-mum process. The LNA provides a 50Omega input impedance and utilizes a tuned load to provide high selectivity. The LNA achieves a maximum small signal gain of 18.9 dB within 1-dB compression point (iCP1dB) of -13.2 dBm. The LNA acquires an NF of 2 dB with an input return loss of -10.62 dB and an output return...
A gain-controlled low-noise differential amplifier (LNA) in NMOS cascoding topology, is presented based on SMIC 0.18mum RF CMOS technology. Differ from the general analysis, in this paper, the impedance matching and gain control with ESD protected pad and NF of cascoding system are discussed and optimized from implementation aspects. Measurement results show that the LNA works at the central frequency...
Low power CMOS RF digitally programmable gain amplifiers for dual-band (Band-III and L-Band) DAB/T-DMB receiver IC are implemented using 0.18 mum CMOS process. For a stable operation among large interference situation, it is required to have wide gain range and fine resolution in RF domain. In order to meet such requirements, various programmable gain amplifier architectures are proposed. Also employing...
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