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A wideband active feedback single-to-differential (S-to-D) LNA composed of a S-to-D converter, a voltage combiner, and a negative feedback network is proposed. By feeding the single-ended output of the voltage combiner, which is used for combining the differential output of the S-to-D converter, to the input of the LNA through the feedback network, a wideband S-to-D LNA exploiting negative feedback...
A 60-GHz receiver front-end with an integrated 180° out-of-phase Wilkinson power divider using standard 0.13 μm CMOS technology is reported. The receiver front-end comprises a wideband low-noise amplifier (LNA) with 12.4-dB gain, a current-reused bleeding mixer, a baseband amplifier, and a 180° out-of-phase Wilkinson power divider. The receiver front-end consumed 50.2 mW and achieved input return...
This paper presents the design and measurement results of low gain RF front-end manufactured in 90nm CMOS covering the frequency range of 0.5-6GHz. The front-end is a modified form of a balanced active mixer to enhance its gain and achieve wideband input matching. The transconductance stage of a mixer is split into NMOS-PMOS inverter pair for better linearity and partial noise cancellation. The inverter...
In this paper we present a wideband inductorless resistive down-conversion ring mixer in standard 0.13 mum CMOS technology. This mixer offers a conversion loss of 7.8 - 14.5 dB over a frequency range 19 - 26.5 GHz. Moderate LO power of 6 dBm is required to achieve the lowest conversion loss. The circuit offers high linearity with input-referred 1dB compression point of 5.1 dBmand IIP3 of 11.9 dBm...
A 1.2-V broadband down-conversion mixer for ultra-wideband (UWB) system applications is presented. The mixer is fabricated in the 0.18-mum 1P6M standard CMOS process. To achieve a low DC power consumption for UWB applications, the LC folded-switching approach is utilized to reduce the supply voltage and the DC power consumption. A CMOS inverter with current-reuse technique is used in the transconductance...
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