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Chatrpol Pakasiri, Ke-Chung Hsu and Sen Wang
In this paper, a wideband VCO that covers popular Long-Term Evolution (LTE) 0.7 GHz and LTE 2.6 GHz frequencies is designed and developed in a standard 0.18 µm CMOS process. The VCO utilizes active inductors to achieve coarse-tuning of the inductance and...
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Muhammad Faisal Siddiqui, Mukesh Kumar Maheshwari, Muhammad Raza and Aurangzeb Rashid Masud
This article presents the design and optimization of a tunable quadrature differential LC CMOS voltage-controlled oscillator (VCO) with a D flip-flop (DFF) frequency divider. The VCO is designed for the low-power and low-phase-noise applications of 2.4 G...
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Kuo-Ing Hwu, Jenn-Jong Shieh and Pin-Jung Chen
In this paper, a thermoelectric conversion system for multiple heat sources is proposed. For design convenience, the overall system employs only a single-stage converter. Such a converter uses coupling inductors and switched capacitors to increase the vo...
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Hsiao-Hsing Chou, Jian-Yu Chen, Tsung-Hu Tseng, Jun-Yi Yang, Xuan Yang and San-Fu Wang
In this paper, a new control scheme for buck converters was proposed. The buck converter utilizes the dual control loop to improve transient response and has the constant switching frequency. The control scheme is mainly as follows: (a) The switch-ON tim...
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Klaus Röbenack and Stefan Palis
The classical buck converter is a very common DC?DC converter, which reduces an higher input supply voltage to a lower output load voltage. Replacing the inductor and the capacitor by a transmission line, we obtain a distributed buck converter, which can...
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Nikolay Hinov and Tsvetana Grigorova
The main objective of this article is to propose a rational methodology for designing multi-phase step-down DC-DC converters, which can find applications both in engineering practice and in power electronics education. This study discusses the main types...
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Qingchao Yang, Zhaozhao Ma, Ruiping Zhou, Heow Pueh Lee and Kai Chai
In recent times, there has been a significant focus on electromagnetic resonant shunt damping (ERSD) and quasi-zero-stiffness vibration isolators (QZS VI) as prominent solutions for vibration mitigation or energy harvesting. In this paper, an innovative ...
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Arash Abbasi and Frederic Nabki
A wideband cascaded receiver and a stacked receiver using an improved clock strategy are proposed to support the software-defined radio (SDR). The improved clock strategy reduces the number of mixer switches and the number of LO clock paths required to d...
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Michal Frivaldsky, Michal Pipiska, Marta Zurek-Mortka and Darius Andriukaitis
3-phase industrial PFC converter.
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Eralp Sener and Gurhan Ertasgin
This paper analyses a new half-bridge current?source inverter for avionic systems. In the circuit, two 28 V batteries are used as inputs. These voltage sources are connected to inductors which create a constant current source. Then only two high-frequenc...
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