Abstract: In a bridge adder circuit, a first and a second complementary pair of current mirrors is connected between the input terminals and a positive and a negative supply voltage bus, respectively, to control a first and a second push-pull output stage. The outputs of the push-pull output stages are connected to the respective inputs through first resistors and to a common output node through second resistors. As a result, a universal circuit element for a multivalued logic element, such as ternary logic or 5-valued logic is provided.
Abstract: In a bridge adder circuit, a first and a second complementary pair of current mirrors is connected between the input terminals and a positive and a negative supply voltage bus, respectively, to control a first and a second push-pull output stage. The outputs of the push-pull output stages are connected to the respective inputs through first resistors and to a common output node through second resistors. As a result, a universal circuit element for a multivalued logic element, such as ternary logic or 5-valued logic is provided.
Abstract: The present invention relates generally to an optical element (OE) which can serve as an optical analogue to digital converter (OADC) and/or an optical digital to analogue converter (ODAC), and uses therefor. The OE can be usefully employed in a variety of applications to transform analogue information present in a light wave front into digital light signals and/or to transform digital information into analogue information in the form of the physical parameters of a light wave front.
Abstract: The invention generally relates to a new gene probe biosensor employing near field surface enhanced Raman scattering (NFSERS) for direct spectroscopic detection of hybridized molecules (such as hybridized DNA) without the need for labels, and the invention also relates to methods for using the biosensor.
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