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In this paper voltage mode quaternary circuits are introduced. The quaternary circuits are encoder and decoder circuit, half and full adder circuit. Quaternary operators and elements which are used in the implementation of encoder and decoder circuits, half and full adder are also presented. The set of operators are logical sum, logical product, level up, level down, level conversion operator. Quaternary...
This paper demonstrates the low energy operation of 4-bit ripple carry adder (RCA) employing two phase clocked adiabatic static CMOS logic (2PASCL) circuit techniques. We evaluate NOT, NAND, XOR and NOR logic gates on the basis of the 2PASCL topology using SPICE implemented using 0.18 ??m CTX CMOS technology. For NOT circuit, analytical and simulation values are compared. By removing the diode from...
In this paper we present a bi-directional AutoZe-roing Amplifier(AZA). The direction of the circuit is controlled by swapping the VDD and GND resulting in swap of input and output. The amplifier can have similar or different properties in each directions. In addition to the gain, the amplifier offers frequency band adjustment allowing it to be used in designing bidirectional time-continuous circuits...
Passive RFID application is often used in back scatter mode where a weak reflected signal is relied upon by reader systems. This limits the application of the technology as the reader and tag distance is constrained. This paper presents a passive design where planar capacitors are used to locally store charges to power a tag based on newer CMOS technology. In this paper BSIM4 transistor model based...
Equipped with two closely coupled channels, double gate (DG) MOSFETs can locally and dynamically alter the front gate threshold by an applied back-gate bias in independent drive (IDDG) configuration. We illustrate in this paper how a conventional ring oscillator built using odd-number of CMOS inverters could be transformed to a robust, compact and high-sensitivity voltage-controlled oscillator (VCO)...
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