Results 291 to 300 of about 43,865 (324)

A broadband CMOS LC voltage-controlled oscillator for FMCW synthesizer

2014 International Symposium on Integrated Circuits (ISIC), 2014
A broadband CMOS LC voltage controlled oscillator (VCO) for an FMCW synthesizer application was developed, which achieves wide tuning range and low phase noise. The VCO employs a topology of NMOS cross-coupled pair and NMOS tail current source. In order to lower phase noise while fulfill continuous tuning range of 2GHz, P-type AMOS varactors are used ...
Liheng Lou, Supeng Liu, Bo Chen 0014, Kai Tang 0002, Yong Wang, Yuanjin Zheng   +5 more
openaire   +1 more source

Local oscillator synthesiser module for broadband applications

IET Seminar on Wideband Receivers & Components, 2008
The design and measurement of a Local Oscillator Synthesiser Module for Broadband Applications is described in this paper. Broadband receivers require local oscillators whenever heterodyning is utilised in receiver architectures to convert frequency signal to an intermediate-frequency (IF) spectrum for ease of signal processing.
A. Virdee, T. Richards
openaire   +1 more source

Experimental Duffing oscillator for broadband piezoelectric energy harvesting

Smart Materials and Structures, 2011
This paper presents an experimental piezoelectric energy harvester exhibiting strong mechanical nonlinear behavior. Vibration energy harvesters are usually resonant mechanical systems working at resonance. The resulting mechanical amplification gives an output power multiplied by the mechanical quality factor Q when compared to non-resonant systems ...
Gael Sebald, Hiroki Kuwano, Daniel Guyomar, Benjamin Ducharne   +3 more
openaire   +1 more source

Simulation of a Duffing oscillator for broadband piezoelectric energy harvesting

Smart Materials and Structures, 2011
Vibration energy harvesters are usually resonant mechanical systems working at resonance. The subsequent mechanical amplification results in output powers multiplied by the mechanical quality factor when compared to non-resonant systems. The main drawback is the difficulty of matching a given vibration frequency range to the energy harvester's ...
Gael Sebald, Hiroki Kuwano, Daniel Guyomar, Benjamin Ducharne   +3 more
openaire   +1 more source

Two‐beam multiplexed CARS based on a broadband oscillator

Journal of Raman Spectroscopy, 2010
AbstractA two‐beam multiplexed coherent anti‐Stokes Raman scattering (CARS) microscopy setup is demonstrated by using a broadband (BB) Ti:sapphire oscillator without using any specialty fibres. A well‐defined spectral structure of the source leads to a delay‐sensitive CARS measurement in two‐colour CARS and also provides an efficient means of obtaining
Kentaro Furusawa, Norihiko Hayazawa, Satoshi Kawata   +2 more
openaire   +1 more source

Entropy evolution of a harmonic oscillator driven by broadband noise

Journal of Statistical Mechanics: Theory and Experiment, 2008
We discuss the time evolution of the entropy (S) of a harmonic oscillator driven by colored noise. Our analysis is based on the Fokker–Planck description of the stochastic process. For all noise colors, the rate dS/dt, and its upper bound UB, monotonically decay to zero with time. The decay is determined by the rate of phase space contraction, which in
Pradip Majee, Gurupada Goswami, Bidhan Chandra Bag   +2 more
openaire   +1 more source

Broadband chaos generated by photonic monolithically integrated oscillators

2008 34th European Conference on Optical Communication, 2008
A novel photonic monolithic integrated device has been designed, fabricated and evaluated as a compact potential emitter for high-speed optical communication systems that employ chaos data encryption.
A. Argyris, M. Hamacher, K.E. Chlouverakis, A. Bogris, D. Syvridis   +4 more
openaire   +1 more source

A broadband circular combiner/divider for planar Gunn oscillators

2nd Annual Passive RF and Microwave Components Seminar, 2011
In this paper, a circular power combiner/divider using coplanar strip-lines operating at the centre frequency of 30 GHz is demonstrated. The combiner/divider has a coplanar strip-line (CPS) crossover phase inverter and it shows good isolation (
null Chong Li, null Lai Bun Lok, A. Khalid, D.R.S. Cumming   +3 more
openaire   +1 more source

A Broadband Voltage Controlled Oscillator with Multi-Band Output

2023 IEEE 15th International Conference on ASIC (ASICON), 2023
Boming Su, Sikai Chen, Peiyin Cai, Tao Peng, Xiang Shuxia, Yi Wu, Guochi Huang   +6 more
openaire   +1 more source

Broadband Tuning in an Infrared Parametric Oscillator

Physica Status Solidi (a), 1988
G. C. Bhar, N. P. Ghosh
openaire   +1 more source