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This paper presents a self-resetting repeater based energy-efficient transceiver for a 28 nm 8×8 core NoC. The proposed transceiver operates error free up to a data rate of 5.1 Gb/s with an energy efficiency of 60.3 fJ/b/mm and latency of 98 ps/mm over 16 mm link with repeaters at every 1 mm. Owing to proposed circuit schemes including variable delay, pulse amplitude control and dual-edge demodulator...
A multi-function multi-mode baseband design for low data-rate applications is proposed in this paper. The baseband is integrated with RF TX/RX module to provide a complete transceiver. A low-power synchronization scheme is proposed in this paper. Automatic Frequency Control is also introduced into the baseband design. The baseband is designed and fabricated in 0.13μm CMOS process with total area of...
This paper reports the first fully integrated transmitter designed in an 180nm BCD process for light-emitting diode (LED) based visible light communication (VLC) and positioning (VLP) systems. The transmitter consists of Manchester coder, precision voltage and current reference, multistage Cherry-Hooper amplifier, PLL, filter and LED driver. A feed-forward equalizer is used to boost the LED bandwidth...
An integrated 3–5 GHz impulse radio ultrawideband (IR-UWB) wireless transceiver SoC for wireless body area network (WBAN) applications is reported in this paper. To enhance system robustness against narrow band interference (NBI) signals, receiver low noise amplifier (LNA) input matching network is optimized to reject outband NBI below 2.5 GHz. A non-coherent energy detection scheme using analog squarer...
This paper presents a single-chip ultralow power programmable Gaussian pulse generator (PG) designed and implemented in the 90-nm CMOS for 3.1-10.6 GHz full-band impulse-radio ultrawideband (UWB) transmitters. Measurement shows that this novel simple two-inverter-based PG achieves the lowest reported power dissipation of merely 1.8 pJ/pulse with a 100-MHz pulse-repeating frequency at 1-V supply, extremely...
A fully-integrated fractional-N synthesizer (FNS) is designed and implemented, for a single-chip UHF transceiver, using 1P6M 0.18-μm RF CMOS process. The synthesizer provides very low phase-noise and extremely low reference spur RF source covering 880MHz to 1260MHz, incorporating on-chip active loop-filter and dual-stage charge-pump circuits. The measured phase-noise is -116dBc/Hz at 200KHz offset...
We report an ultra-low-power low-cost Gaussian pulse generator for 3.1-10.6 GHz impulse-radio carrier-free ultra wideband (UWB) transceiver designed and fabricated in foundry logic 90 nm CMOS. A two-stage circuit topology is used to generate square waveform and Gaussian pulse waveform, respectively. Three digital controls are used to adjust delay time between the two generated square waves to realize...
An ultra low power, low cost, 1st-order derivative Gaussian pulse generator for 3.1 GHz-10.6 GHz impulse-radio carrier-free ultra wideband (UWB) transmitter was designed and fabricated in commercial 0.13 μm CMOS technology. The pulse generator integrates three cascade stages to generate square waveform, Gaussian pulse waveform and 1st-order Gaussian derivation waveform, respectively. The UWB impulse...
In this paper, we presents a low complexity ultra low power baseband transceiver IC for wireless body area network applications. A specified transceiver architecture for physical layer (PHY) and serial peripheral interface (SPI) realization is proposed and system performance is optimized. Implemented in a 0.18-mum CMOS technology, the baseband chip consumes 240.24 muW for TX mode and 202.34 muW for...
A fully integrated, ultra low-power, varying pulse width fifth-order derivative Gaussian pulse generator designed and fabricated in a commercial 0.18 mum CMOS technology is reported for 3-10 GHz impulse ultra wideband (UWB) transceivers. The fifth-order derivative Gaussian pulse generator circuit consists of four parallel Gaussian pulse formation blocks and an output stage. It can generate UWB pulse...
A multiplier-based correlator is an important component for impulse radio ultra-wideband (IR-UWB) receiver. Classified as correlation-type demodulator, this type of correlator uses correlation-type demodulation. This paper reports design and implementation of a fully integrated low-power broadband multiplier-based correlator for a 3.1-10.6 GHz full-band UWB receiver in 0.18 mum CMOS that consists...
Ultra wideband (UWB) radio technology has many advantages: i.e., ultra wide 7.5 GHz spectrum bandwidth, extremely high throughput, very low power, etc. This paper presents a single-chip low-power 3.1-10.6 GHz low-noise amplifier (LNA) designed for pulse-based full-band UWB transceivers, which features an improved shunt-series feedback topology to achieve desirable ultra broadband gain and noise performance...
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