Highly integrated and tunable RF front ends for reconfigurable multiband transceivers: A tutorial
Architectural and circuit techniques to integrate the RF front end passive components,
namely the SAW filters and duplexers that are traditionally implemented off chip, are …
namely the SAW filters and duplexers that are traditionally implemented off chip, are …
Analysis and optimization of current-driven passive mixers in narrowband direct-conversion receivers
A Mirzaei, H Darabi, JC Leete, X Chen… - IEEE journal of solid …, 2009 - ieeexplore.ieee.org
Properties of the current-driven passive mixer are explored to maximize its performance in a
zero-IF receiver. Since there is no reverse isolation between the RF and baseband sides of …
zero-IF receiver. Since there is no reverse isolation between the RF and baseband sides of …
A Single–Chip 10-Band WCDMA/HSDPA 4-Band GSM/EDGE SAW-less CMOS Receiver With DigRF 3G Interface and 90 dBm IIP2
D Kaczman, M Shah, M Alam… - IEEE Journal of Solid …, 2009 - ieeexplore.ieee.org
This paper describes the design and performance of a 90 nm CMOS SAW-less receiver with
DigRF interface that supports 10 WCDMA bands (I, II, III, IV, V, VI, VIII, IX, X, XI) and 4 GSM …
DigRF interface that supports 10 WCDMA bands (I, II, III, IV, V, VI, VIII, IX, X, XI) and 4 GSM …
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 tunable integrated duplexer with 50dB isolation in 40nm CMOS
Modern RF duplexers rely on frequency-selective filters for isolation. The stringent isolation
requirements prohibit the integration of RF duplexers on silicon and particularly in CMOS …
requirements prohibit the integration of RF duplexers on silicon and particularly in CMOS …
High dynamic range RF frontends from multiband multistandard to cognitive radio
S Heinen, R Wunderlich - 2011 Semiconductor Conference …, 2011 - ieeexplore.ieee.org
This paper will review the RF front end requirements of mobile communication systems. The
key challenges for multiband multistandard operation will be derived and discussed. It will …
key challenges for multiband multistandard operation will be derived and discussed. It will …
A low-power, low-EVM, SAW-less WCDMA transmitter using direct quadrature voltage modulation
X He, J van Sinderen - IEEE Journal of Solid-State Circuits, 2009 - ieeexplore.ieee.org
This paper describes a low-power, low EVM, SAW-less WCDMA transmitter using direct
quadrature voltage modulation. The core of the modulator is a passive voltage mixer driven …
quadrature voltage modulation. The core of the modulator is a passive voltage mixer driven …
A 5 mm 40 nm LP CMOS Transceiver for a Software-Defined Radio Platform
A 5 mm 2 transceiver front-end suitable for a software-defined radio (SDR) platform is
implemented in a 40-nm LP digital CMOS technology. Tailored for all modern …
implemented in a 40-nm LP digital CMOS technology. Tailored for all modern …
A 900-MHz direct delta-sigma receiver in 65-nm CMOS
K Koli, S Kallioinen, J Jussila, P Sivonen… - IEEE Journal of Solid …, 2010 - ieeexplore.ieee.org
Direct delta-sigma receiver architecture is introduced for wireless communication systems,
such as LTE or WiMax. Architecture is based on direct downconversion, delta-sigma …
such as LTE or WiMax. Architecture is based on direct downconversion, delta-sigma …
Using degeneration in an active tunable low-noise radio frequency bandpass filter
M Granger-Jones, N Khlat - US Patent 8,314,653, 2012 - Google Patents
The present disclosure relates to a first active tunable low noise RF bandpass filter that
includes at least a first transistor element and a tunable frequency selective degeneration cir …
includes at least a first transistor element and a tunable frequency selective degeneration cir …