A relaxation oscillator with multi-phase triangular waveform generation

2011 ◽  
Author(s):  
Hang Lv ◽  
Bo Zhou ◽  
Woogeun Rhee ◽  
Yongming Li ◽  
Zhihua Wang
Keyword(s):  
Relaxation Oscillator ◽  
Triangular Waveform ◽  
Waveform Generation ◽  
Multi Phase

Triangular Waveform Generation Technology Based on SBS and Superposition of Optical Field Envelopes

2016 ◽  
Vol 43 (4) ◽  
pp. 0405004
Author(s):  
贾振蓉 Jia Zhenrong ◽  
江阳 Jiang Yang ◽  
马闯 Ma Chuang ◽  
白光富 Bai Guangfu ◽  
唐延林 Tang Yanlin ◽  
...  
Keyword(s):  
Optical Field ◽  
Triangular Waveform ◽  
Waveform Generation ◽  
Generation Technology

Frequency Doubled Triangular Waveform Generation Based on Injection Locking and Time-Domain Synthesis

2018 ◽  
Vol 45 (1) ◽  
pp. 0101005
Author(s):  
何禹彤 He Yutong ◽  
江阳 Jiang Yang ◽  
訾月姣 Zi Yuejiao ◽  
吴廷伟 Wu Tingwei ◽  
黄凤勤 Huang Fengqin ◽  
...  
Keyword(s):  
Time Domain ◽  
Injection Locking ◽  
Triangular Waveform ◽  
Waveform Generation

Design of a Power Transformer for a LLC Resonant Power Converter

2013 ◽  
Vol 740 ◽  
pp. 823-829 ◽  
Author(s):  
Chen Yao Liu ◽  
Kuo Bin Liu ◽  
Din Goa Huang
Keyword(s):  
Simulation Model ◽  
High Performance ◽  
Power Transformer ◽  
Relaxation Oscillator ◽  
Power Converter ◽  
Performance Characteristics ◽  
Variable Frequency ◽  
Triangular Waveform ◽  
Power Bus ◽  
Dc Power

We designed and implemented a power converter to provide a dc power bus for the MCOR 12 correction supply. The characteristics of the dc power bus are variable frequency at both heavy and medium or light loads. These characteristics match the working requirement of the correction supply. The dc power bus has a relaxation oscillator that generates a symmetric triangular waveform, to which MOSFET switching is locked. The frequency of this waveform is related to a voltage to be modulated with feedback circuitry. As a result, the circuit and complex transformer are driven with a half-bridge. We designed the complex resonant transformer and describe in this paper a simulation model that is highly important, thus to exploit its frequency-dependent transfer characteristics. We obtained a power bus with small ripple to provide the correction power. The high-performance characteristics of the resonant dc power bus are illustrated in this paper.

Relaxation oscillator with quadrature triangular and square waveform generation

2011 ◽  
Vol 47 (13) ◽  
pp. 779-780 ◽  
Author(s):  
B. Zhou ◽  
W. Rhee ◽  
Z. Wang
Keyword(s):  
Relaxation Oscillator ◽  
Waveform Generation

Some Applications of the U. S. Steel MVEM

1973 ◽  
Vol 31 ◽  
pp. 4-5
Author(s):  
J. S. Lally ◽  
L. E. Thomas ◽  
R. M. Fisher
Keyword(s):  
Electron Diffraction ◽  
Debye Temperature ◽  
Metals And Alloys ◽  
Critical Voltage ◽  
Dynamical Diffraction ◽  
Phase Structures ◽  
Structure Factors ◽  
Local Bonding ◽  
Diffraction Phenomenon ◽  
Multi Phase

A variety of materials containing many different microstructures have been examined with the USS MVEM. Three topics have been selected to illustrate some of the more recent studies of diffraction phenomena and defect, grain and multi-phase structures of metals and minerals.(1) Critical Voltage Effects in Metals and Alloys - This many-beam dynamical diffraction phenomenon, in which some Bragg resonances vanish at certain accelerating voltages, Vc, depends sensitively on the spacing of diffracting planes, Debye temperature θD and structure factors. Vc values can be measured to ± 0.5% in the HVEM ana used to obtain improved extinction distances and θD values appropriate to electron diffraction, as well as to probe local bonding effects and composition variations in alloys.

Digital imaging and quantitative image analysis of polymer blends

1996 ◽  
Vol 54 ◽  
pp. 170-171
Author(s):  
Xiao Zhang
Keyword(s):  
Digital Imaging ◽  
Imaging Techniques ◽  
Imaging Systems ◽  
Polymer Science ◽  
Key Factors ◽  
Multiple Imaging ◽  
Quantitative Image ◽  
Digital Imaging Systems ◽  
Multi Phase ◽  
Network Technologies

Polymer microscopy involves multiple imaging techniques. Speed, simplicity, and productivity are key factors in running an industrial polymer microscopy lab. In polymer science, the morphology of a multi-phase blend is often the link between process and properties. The extent to which the researcher can quantify the morphology determines the strength of the link. To aid the polymer microscopist in these tasks, digital imaging systems are becoming more prevalent. Advances in computers, digital imaging hardware and software, and network technologies have made it possible to implement digital imaging systems in industrial microscopy labs.

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