Experimental Study of Buffer Gas Flow Rate Effect on Output Power of a Copper Vapor Laser

Behrouzinia, S.; Khorasani, K.; Marjani, Saeid; Sabaghi, Masoud; Aeinehvand, M. E.; Mohammadpour, Sadegh

doi:10.4236/opj.2016.62004

Cited by 5 publications

(1 citation statement)

References 27 publications

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“…VCO-based comparator and quantizer are one of the most important sections of successive approximation ADC and delta-sigma, respectively [5]- [10]. The similarity between electrical oscillators and optical oscillators including lasers [11]- [20] and vertical-cavity surface-emitting lasers (VCSELs) [21]- [33] allows the processes used in optical spectroscopy to be applied. VCO is one of the most difficult circuits to integrate for the following reasons: 1) poor quality factor of the monolithic inductor; 2) limited tuning range of the varactor; and 3) poor flicker noise in CMOS technology compared with the other technologies such as SiGe HBT [34].…”

Section: Introductionmentioning

confidence: 99%

A Low Phase Noise, Low Power and Wide Tuning Range VCO with Filtering Technique in ISM Band

Sabaghi¹,

Marjani²,

Majdabadi³

2016

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In this paper, a novel voltage controlled oscillator (VCO) with low phase noise, low power consumption and wide tuning range in the industrial, scientific and medical (ISM) band is proposed for communication systems applications. For improving the phase noise, filtering technique is used and VCO is designed with TSMC CMOS 0.18 μm technology and the power supply is 1.5 V. The simulation results with advanced design system (ADS) shows that phase noise in 1 MHz offset frequency from the carrier is −122 dBc/Hz and tuning range is 2 to 2.8 GHz. The power consumption of the core is 2.49 mW.

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Section: Introductionmentioning

confidence: 99%

A Low Phase Noise, Low Power and Wide Tuning Range VCO with Filtering Technique in ISM Band

Sabaghi¹,

Marjani²,

Majdabadi³

2016

Self Cite

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Study on the maximum electric power supplied to copper bromide vapor lasers

Iliev

Gocheva-Ilieva

2020

J Comput Electron

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De-Noising of ECG Signals by Design of an Optimized Wavelet

Kaviri¹,

Sabaghi²,

Marjani³

2016

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In this paper, a different method for de-noising of ECG signals using wavelets is presented. In this strategy, we will try to design the best wavelet for de-nosing. Genetic algorithm tests wide range of quadrature filter banks and the best of them will be chosen that minimize the Signal-to-Noise Ratio (SNR). Furthermore, the wavelet function and scaling function related to these filters are reported as the best wavelet for de-noising. Simulation results for de-noising of a noisy ECG signal show that using obtained wavelet by proposed method improves the SNR of about 2.5 dB.

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Experimental Study of Buffer Gas Flow Rate Effect on Output Power of a Copper Vapor Laser

Cited by 5 publications

References 27 publications

A Low Phase Noise, Low Power and Wide Tuning Range VCO with Filtering Technique in ISM Band

A Low Phase Noise, Low Power and Wide Tuning Range VCO with Filtering Technique in ISM Band

Study on the maximum electric power supplied to copper bromide vapor lasers

De-Noising of ECG Signals by Design of an Optimized Wavelet

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