The design and analysis of a dual-diamond-ring PCF-based sensor

2020 ◽  
Vol 19 (3) ◽  
pp. 1288-1294 ◽  
Author(s):  
Bikash Kumar Paul ◽  
Kawsar Ahmed ◽  
Hala J. El-Khozondar ◽  
Romeric F. Pobre ◽  
Joelle Sophia G. Peña ◽  
...  
Keyword(s):  

Synthesizer suggests the chief feature element of clocking around modern-day high-speed energy systems. Every time appreciated seeing that for a phase-locked land (PLL), numbers synthesizers illustrate fantastic precision and even now let general object rendering linked with programmable numbers switching. While doing this dissertation lots of people deliver a certainly better model linked with Steadiness synthesizer coupled with focused on ugly Steadiness synthesizers implementing An electronic digital PLL. A persons vision might be globally placing and also specifications because of the straightforward varieties in the An electronic digital PLL: phase-frequency system, bill tubing, land purification technique, present-day dictated oscillator (VCO) coupled with programmable divider. This particular emulator achievement in the An electronic digital PLL implementing perhaps the most common 0.18µd CMOS technology around Piquance illustrate a fast wrapping up effort frame tremendous numbers range. This particular acquire length of time could be tailored via altering ones own bill tubing latest also,the land purification technique capacitor. PFD (Phase Steadiness Detector) marketplace forestalling deviation in the bill tubing marketplace under the founded problem might be designed. That comprehension of the LPF needs the published research within the land individual in the PLL. Encapsulating the perfect tradeoffs for illustration acquire alter, acquire an important portions of knowledge switch cost, this will likely often be simply just ones own tricky obstruct so that you can design. To acquire wider production numbers concentrating on alter, bigger capacitance is vital (i.e., great area). Which will boost the occasionally keeps going free of boost laptop computer food put usage, The project acknowledges some form of voltage-controlled oscillator (VCO) implementing a diamond ring diamond ring linked with single-ended current-starved oscillator can present tremendous jogging frequencies.


Love, Inc. ◽  
2019 ◽  
pp. 83-112
Author(s):  
Laurie Essig

Getting engaged now requires more emotional and financial resources than ever before. Here Essig traces the history of engagements from the birth of companionate marriages in the nineteenth century to the invention of rituals like the bended knee and fetish items like the diamond ring in the early twentieth century. But the real change happened at the beginning of the twenty-first century, as engagements became “spectacular,” requiring not just highly staged events but also highly produced videos and images that could then be disseminated to the larger world.


Electronics ◽  
2019 ◽  
Vol 8 (5) ◽  
pp. 521 ◽  
Author(s):  
Naser Ojaroudi Parchin ◽  
Haleh Jahanbakhsh Basherlou ◽  
Mohammad Alibakhshikenari ◽  
Yasser Ojaroudi Parchin ◽  
Yasir I. A. Al-Yasir ◽  
...  

A design of mobile-phone antenna array with diamond-ring slot elements is proposed for fifth generation (5G) massive multiple-input/multiple-output (MIMO) systems. The configuration of the design consists of four double-fed diamond-ring slot antenna elements placed at different corners of the mobile-phone printed circuit board (PCB). A low-cost FR-4 dielectric with an overall dimension of 75 × 150 mm2 is used as the design substrate. The antenna elements are fed by 50-Ohm L-shaped microstrip-lines. Due to the orthogonal placement of microstrip feed lines, the diamond-ring slot elements can exhibit the polarization and radiation pattern diversity characteristic. A good impedance bandwidth (S11 ≤ −10 dB) of 3.2–4 GHz has been achieved for each antenna radiator. However, for S11 ≤ −6 dB, this value is 3–4.2 GHz. The proposed design provides the required radiation coverage of 5G smartphones. The performance of the proposed MIMO antenna design is examined using both simulation and experiment. High isolation, high efficiency and sufficient gain-level characteristics have been obtained for the proposed MIMO smartphone antenna. In addition, the calculated total active reflection coefficient (TARC) and envelope correlation coefficient (ECC) of the antenna elements are very low over the whole band of interest which verify the capability of the proposed multi-antenna systems for massive MIMO and diversity applications. Furthermore, the properties of the design in Data-mode/Talk-mode are investigated and presented.


1942 ◽  
Vol 183 (6) ◽  
pp. 167-167
Author(s):  
John M. Mcbryde
Keyword(s):  

1995 ◽  
Author(s):  
Mark A. Piscotty ◽  
John S. Taylor ◽  
Kenneth L. Blaedel

Physics Today ◽  
2001 ◽  
Vol 54 (9) ◽  
pp. 29-29
Keyword(s):  

1972 ◽  
Vol 9 (8) ◽  
pp. 605-607 ◽  
Author(s):  
JOHN S. LETCHER
Keyword(s):  

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