A passive mixer-first receiver with digitally controlled and widely tunable RF interface
A software-defined radio (SDR) receiver with baseband programmable RF bandpass filter
(BPF) and complex impedance match is presented. The passive mixer-first architecture used …
(BPF) and complex impedance match is presented. The passive mixer-first architecture used …
Designing and testing software-defined radios
P Cruz, NB Carvalho, KA Remley - IEEE Microwave magazine, 2010 - ieeexplore.ieee.org
This article reviews the main parts of a software-defined radio (SDR) to emphasize several
possible implementations of both receivers and transmitters. We describe solutions for …
possible implementations of both receivers and transmitters. We describe solutions for …
Implications of passive mixer transparency for impedance matching and noise figure in passive mixer-first receivers
In this paper, a class of passive mixer-first, LNA-less receivers is analyzed in depth.
Quadrature passive mixers are shown to present the impedance of their baseband port to …
Quadrature passive mixers are shown to present the impedance of their baseband port to …
A distributed multichannel MAC protocol for multihop cognitive radio networks
A cognitive radio (CR) network should be able to sense its environment and adapt
communication to utilize the unused licensed spectrum without interfering with licensed …
communication to utilize the unused licensed spectrum without interfering with licensed …
A wideband inductorless LNA with local feedback and noise cancelling for low-power low-voltage applications
H Wang, L Zhang, Z Yu - … Transactions on Circuits and Systems I …, 2010 - ieeexplore.ieee.org
A wideband noise-cancelling low-noise amplifier (LNA) without the use of inductors is
designed for low-voltage and low-power applications. Based on the common-gate-common …
designed for low-voltage and low-power applications. Based on the common-gate-common …
Low-area active-feedback low-noise amplifier design in scaled digital CMOS
J Borremans, P Wambacq, C Soens… - IEEE Journal of Solid …, 2008 - ieeexplore.ieee.org
The emerging concept of multistandard radios calls for low-noise amplifier (LNA) solutions
able to comply with their needs. Meanwhile, the increasing cost of scaled CMOS pushes …
able to comply with their needs. Meanwhile, the increasing cost of scaled CMOS pushes …
The Blixer, a Wideband Balun-LNA-I/Q-Mixer Topology
SC Blaakmeer, EAM Klumperink… - IEEE Journal of Solid …, 2008 - ieeexplore.ieee.org
This paper proposes to merge an I/Q current-commutating mixer with a noise-canceling
balun-LNA. To realize a high bandwidth, the real part of the impedance of all RF nodes is …
balun-LNA. To realize a high bandwidth, the real part of the impedance of all RF nodes is …
Flexible baseband analog circuits for software-defined radio front-ends
This paper presents a novel approach to design a digitally programmable low pass filter
(LPF) and variable gain amplifier (VGA) intended for a software-defined radio (SDR) front …
(LPF) and variable gain amplifier (VGA) intended for a software-defined radio (SDR) front …
A 2-mm 0.1–5 GHz Software-Defined Radio Receiver in 45-nm Digital CMOS
A software-defined radio (SDR) should theoretically receive any modulated frequency
channel in the (un) licensed spectrum, and guarantee top performance with energy savings …
channel in the (un) licensed spectrum, and guarantee top performance with energy savings …
A 52 GHz phased-array receiver front-end in 90 nm digital CMOS
K Scheir, S Bronckers, J Borremans… - IEEE Journal of Solid …, 2008 - ieeexplore.ieee.org
The commercial potential of the 60 GHz band, in combination with the scaling of CMOS, has
resulted in a lot of plain digital CMOS circuits and systems for millimeter-wave application …
resulted in a lot of plain digital CMOS circuits and systems for millimeter-wave application …