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This paper presents a low power quadrature voltage-controlled oscillator (QVCO) with wide-tuning range. The topology of this QVCO is composed of differential Colpitts structure and back-gate coupling. The use of back-gate coupling reduces the power consumption and removes the additional noise contributions compared to conventional coupling transistor. This QVCO is designed in TSMC 0.18 ??m CMOS process...
The emergence of alternative technologies due to continued technology migration into the nanometer regime has led to the design of several novel logic and memory architectures. These architectures, in particular array based architectures built from crossbar structures, aim to achieve higher logic/memory densities with lower power consumption and acceptable delays as compared to present day CMOS technology...
Three types of novel DGSs are proposed firstly in this paper. The electric and magnetic coupling structures for three types of DGS are studied respectively. The S-parameters show that different coupling structures can cause different frequency responses, especially the stopband characteristics and the position of transmission poles. At the same time, the similar coupling structures have similar frequency...
As feature sizes shrink and clock frequencies increase, Signal integrity and power consumption face critical challenges in design and implementation of NOCs (network-on-chip). A kind of dynamic self-shielding bus encoding scheme is proposed in this article. This scheme aims to provide a high degree of signal integrity through dynamic self-shielding technique and to reduce bus power consumption in...
This paper is concerned with the phenomena of very fast transient overvoltages (VFTO) invading the transformer windings. Some literatures have pointed out that the insulation breakdown usually locates near the entrance of the windings. So it is very important to study the voltage distribution along the coils near the entrance of the windings under VFTO. A new hybrid model is presented to simulate...
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