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7  Articles
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A novel varactor circuit exhibiting a wider tuning range and a new technique for quadrature coupling of LC-Voltage Controlled Oscillator (LC-VCO) is presented and validated on a 25 GHz oscillator. The proposed varactor circuit employs distribute-biased pa... see more

Currently, several microwave filter designs contend for use in wireless communications. Among various microstrip filter designs, the reconfigurable planar filter presents more advantages and better prospects for communication applications, being compact i... see more

An analog phase shifter based on distributed MEMS transmission line (DMTL) is designed for Ku band applications. Traditional RF MEMS phase shifter comprising 6 switches has limited phase shift of 37.75° due to instability region. A new concept of stopper ... see more

A review of the integration of the complementry metal oxide semiconductors (CMOS) circuit with the microelectromechanical systems (MEMS) structures for sensing and RF applications has been presented. Specifically, the integrated mechanical sensors, chemic... see more

In this paper, a digitally-tunable band-pass filter is designed and implemented for applications of Cognitive Radio in middle Ultra high frequency television band from 550 to 650 MHz. This design is based on the 3th-order Chebyshev filter model in the com... see more

This paper presents a novel passive repeater that achieves enhanced Multiple-Input-Multiple-Output (MIMO) communication between two isolated terminals. The novel aspect of this work is an avoidance of the key-hole effect, which is normally caused by a rep... see more

A novel voltage mode first order active only tuneable all pass filter (AOTAPF) circuit configuration is presented. The AOTAPF has been designed using ±0.7 V, 16 nm carbon nanotube field effect transistor (CNFET) Technology. The circuit uses CNFET b... see more

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