A Multimode Transmitter in 0.13 CMOS Using Direct-Digital RF Modulator

P Eloranta, P Seppinen, S Kallioinen… - IEEE Journal of Solid …, 2007 - ieeexplore.ieee.org
modulator have the same gate voltage, which is generated with diode-connected transistors
that are distributed evenly between the two converters. … interests include RF converters and …

Direct-digital RF-modulator: a multi-function architecture for a system-independent radio transmitter

P Eloranta, P Seppinen… - IEEE Communications …, 2008 - ieeexplore.ieee.org
… critical for the transmitter circuits as the same power level of the … -to-RF converters (DRFC).
The DRFC combines the … controllability of the digital filters that were included for prototype …

All-Digital RF Modulator

MS Alavi, RB Staszewski… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
… The recent digitally intensive polar transmitter implementations of Fig. 1(c) … The same circuit
is used for the … the experimental RF-DAC presented in this study is only 3 bits (including one …

A wideband ΔΣ digital-RF modulator for high data rate transmitters

A Jerng, CG Sodini - IEEE Journal of Solid-State Circuits, 2007 - ieeexplore.ieee.org
… implementation within the integrated digital-RF converter, including all parasitic effects of the
… current mode, in the same way it would be used in the actual RF modulator. Measured filter …

Design and optimization of flexible and coding efficient all-digital RF transmitters

NV Silva, ASR Oliveira… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
… menting the digital up-conversion to RF. An SDR transceiver … an agile RF transmitter containing
different pulse modulators … signal after the PWM modulation will have the same energy, …

Digital signal processing in radio receivers and transmitters

F Harris - International journal of wireless information networks, 1998 - Springer
… with DSP-based processing includes reduced cost, enhanced per… Ūlters to perform the same
tasks in the digital system with the … data conversion process, usually at a reduced cost. The …

[图书][B] Radio-Frequency Digital-to-Analog Converters: Implementation in Nanoscale CMOS

MS Alavi, J Mehta, RB Staszewski - 2016 - books.google.com
… a couple of years earlier in the same DRP group as part of my part-… In conclusion, an all-digital
RF transmitter at the equal RF … of the entire RF transmitter, which includes the DC power …

[PDF][PDF] Direct-Digital RF Modulator for Multi-Standard Radio Transmitters

P Eloranta - 2014 - aaltodoc.aalto.fi
… , which brings the D/A conversion in front of the power … performance, the modulator suffers
from the same limitations in … single DAC includes the 21.5 mW of digital power consumption. …

An All-Digital RF Signal Generator Using High-Speed Modulators

A Frappé, A Flament, B Stefanelli… - IEEE Journal of Solid …, 2009 - ieeexplore.ieee.org
… In practice, however, we would like to use the same sam… first-order hold oversampling
stages, including the image-reject … approaches for highly digital RF transmitters in comparable …

[PDF][PDF] RF architectures & digital signal processing aspects of digital wireless transceivers

MK Nezami - MK Nezami IEEE Trans. Commun.-2003, 2003 - researchgate.net
… DCR limitations are include LO leakage, DC offset, I/Q imbalances, flicker noise (1/f noise), …
The down conversion is carried out using a local oscillator that has the same frequency as …