Author
C. Selvam
Bio: C. Selvam is an academic researcher. The author has contributed to research in topics: Multiplier (economics) & Quadrant (plane geometry). The author has an hindex of 2, co-authored 2 publications receiving 9 citations.
Papers
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5 citations
TL;DR: The division multiplier technique proposed by Tomota, Sugiyama and Yamaguchi, is implemented in a simple way with minimum number of components, however the multiplier realised is of the two quadrant type.
Abstract: The division multiplier technique proposed by Tomota, Sugiyama and Yamaguchi, is implemented in a simple way with minimum number of components. However the multiplier realised is of the two quadrant type.
4 citations
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TL;DR: A novel type of analog multiplier cum divider is described that is dependent upon a set of resistor and capacitor values and verified by way of test results on a proto type.
Abstract: A novel type of analog multiplier cum divider is described. The constant of multiplication is dependent upon a set of resistor and capacitor values. Verification of the feasibility of the circuit configuration is established by way of test results on a proto type.
6 citations
TL;DR: In this article, a modified version of pulse width modulation type of analog multiplier is described, where a sawtooth wave of period T whose peak value is proportional to one input voltage is sampled by a sampling pulse whose position over the period T was proportional to another input voltage.
Abstract: A modified version of pulse width modulation type of analog multiplier is described. A sawtooth wave of period T whose peak value is proportional to one input voltage is sampled by a sampling pulse whose position over the period T is proportional to another input voltage. The sampled output voltage is proportional to the product of the two input voltages. The circuit enables multiplication of a dc voltage with another dc voltage. The constant of multiplication is dependent upon a third dc voltage and a pair of resistors and capacitors. Employing a precision source for the third dc voltage and matched resistors and capacitors, an acceptable level of accuracy can be obtained in the multiplication.
4 citations
TL;DR: R Rathore–Bhattacharya multiplier is modified/redesigned with a minimum number of components, and is given in this paper as a design idea.
Abstract: Time-division multiplier (TDM) can be developed using triangular wave or sawtooth wave as reference clock. However, Rathor and Bhattacharya developed a TDM without using any reference clock. Rathor...
2 citations
TL;DR: Four novel techniques for analog multiplication using operational amplifiers are proposed and it is shown that by employing precision sources for the reference voltages, one can achieve an acceptable level of accuracy.
Abstract: The following novel techniques for analog multiplication using operational amplifiers are proposed in this paper. (1) Sigma delta multiplier, (2) sigma integrated multiplier, (3) sigma single slope multiplier, and (4) sigma sampled multiplier. In all the above four techniques, the constant of multiplication is dependent upon two reference voltages. Employing precision sources for the reference voltages, one can achieve an acceptable level of accuracy. Verification of the feasibility of the circuit configurations are established by way of test results on a proto type.
2 citations
TL;DR: In this paper, a method of obtaining a multiplier cum divider by using a pulse with integrated multiplier and a time division multiplier is explained, both the multipliers use a sawtooth wav...
Abstract: A method of obtaining a multiplier cum divider by using (1) a pulse with integrated multiplier and (2) a time division multiplier is explained in this paper. Both the multipliers use a sawtooth wav...
1 citations