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In this paper, we present an 880 MHz common-drain power amplifier (CDPA) in 130 nm CMOS technology. New PA topologies are required to address the issues of linearity, reliability, and efficiency. The CDPA is one such promising topology. Owing to the inherent feedback nature of a CDPA, the output voltage is a replica of input voltage, thus making the CDPA a highly linear amplifier with good efficiency...
In this paper, we present an 880 MHz common-drain power amplifier (CDPA) in 130 nm CMOS technology. New PA topologies are required to address the issues of linearity, reliability, and efficiency. The CDPA is one such promising topology. Owing to the inherent feedback nature of a CDPA, the output voltage is a replica of input voltage, thus making the CDPA a highly linear amplifier with good efficiency...
This work presents a novel RF current-reused front-end with noise cancellation LNA and current-commutating mixer using 0.18 μm CMOS technology. The proposed design is applicable to a wideband receiver that converts a 0.5 - 5.5 GHz RF signal into a zero- or low-IF signal. A fully differential topology is adopted to suppress the even-order nonlinearity and common-mode noise. Additionally, the proposed...
Polyphase filters are an efficient solution for high image rejection and great accuracy quadrature generation in radio frequency (RF) receivers. Analytical modeling of passive polyphase filter suitable for RF front-end applications operating in 2.4 GHz frequency band is dealt with. This analytical analysis has been used to calibrate the optimal values of passive components in order to obtain the maximum...
This paper demonstrates a RF receiver front end circuit for multi-band orthogonal frequency division multiple access (MB-OFDM) using standard 0.18um complementery metal oxide semiconductor (CMOS) technology. The receiver front end includes a low-noise amplifier and a down conversion mixer. The proposed LNA uses transistor's intrinsic capacitor Cgd and only one inductor as input matching network to...
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