Classical Physics

   

Generation of Electrical Solitons in 180nm CMOS Technology using Adaptive Bias Controlled Ring Oscillators

Authors: Sai Venkatesh Balasubramanian

The progressive miniaturization seen in the current era of nanoelectronics poses the significant problem of signal distortion. Taking cue from the concept of solitons introduced in recent times in optical and electronic domains, the present work proposed a new perspective on the design of a Solitary Pulse Generator Circuit. The key elements here are Ring Oscillators consisting of CMOS inverters, in whose feedback path a potential divider circuit is inserted. It is seen that the potential divider provides significant altering of Operating Point, thus transforming Ring Oscillators to Adaptive Bias Controlled Ring Oscillators (ABCRO). The output is characterized using waveforms and spectra, and a decent match with conventional hyperbolic secant based solitary pulses is observed. The effect of supply voltage on frequency and power dissipation, and the effect of number of stages are also studied. The simplicity of the proposed design in comparison with conventional soliton oscillators, coupled with low values of power dissipation and consistent frequency of operation form the significant highlights of the present work.

Comments: 11 Pages.

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Submission history

[v1] 2015-10-28 08:04:12

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