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| | Articles of Volume : 3 Issue : 8 ( 3, September - 2015) | | | | 187 | ROLE OF NANOTECHNOLOGY IN RADIO FREQUENCY COMMUNICATIONS | | By : Vandana Sharma, Ashok Kumar | | Abstract : The nanotechnology area is a latest and quickly rising research field that is likely to fundamentally change communications and computing for the future. The field is enormously multidisciplinary as the control over tweaking the performance can be achieved by physical, electronic, chemical, and biochemical mode. Despite of the successes achieved by nanotechnology research, major challenges are there. | | | | Author Profile | Full-Text PDF |View Video | |
| | | 191 | OPERATIONAL TRANSRESISTANCE AMPLIFIER BASED CURRENT MODE ALL PASS FILTER | | By : Ravi Anand, Ashok Kumar | | Abstract : A new current mode configuration is proposed. The presented topology uses single operational transresistance amplifier (OTRA) and can realize first-order all pass, second-order all pass and notch filtering functions. The proposed circuits are insensitive to parasitic capacitances and resistances due to internally grounded input terminals of OTRA. Low output impedance of the configuration enables the circuits to be cascaded without additional buffers. The theoretical results are verified with PSPICE simulations using a CMOS realization of OTRA. The feasibility of the proposed first-order all pass filters is illustrated on the design of a quadrature oscillator. | | | | Author Profile | Full-Text PDF |View Video | |
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