While DNA circuits are becoming increasingly useful as signal transducers, their utility is inhibited by their slow catalytic rate. Here, we demonstrate how RecA, a recombination enzyme that catalyzes sequence specific strand exchange, can be used to increase circuit rates up to 9-fold. We also show how the introduction of RNA into DNA circuits further controls the specificity of RecA strand ex...

Asynchronous systems can be modelled as concurrent systems in which events are in terepreted as signal transitions The synthesis of concurrent systems implies the analysis of a vast state space that often requires computationally expensive methods The circuits are speci ed by free choice signal transition graphs STG s a subclass of interpreted Petri nets This report analyses and compares the va...

A new public-domain simulator for mixed-signal circuits is described. The new simulator is very versatile, allowing the user to define new elements easily. The procedure adopted for simulation of circuits with both digital and analog elements is briefly discussed. Several simulation examples are presented to demonstrate the applications of the simulator. The simulator is expected to be particul...

Wave-Steering is a new circuit design methodologv to realize high throughput circuits by embedding layout friendly structures in silicon. Latches guarantee correct signal arrival times at the inputs of synthesized modules and maintain the high throughput of operation. This paper presents a global routing technique fo r networks of wave-steered blocks. Latches can be distributed along interconne...

-In this paper, a necessary and sufficient condition for robust stability of electronic circuits at high frequency which contain differential pair (emitter-coupled pair) is proposed. In fact, when emitter-coupled pairs are used as one input signal – one output signal, they have uncertainty in their transfer functions at high frequency. Even as will be shown, this uncertainty can be caused insta...

Principles and possibilities for design and implementation of parallel analog to digital converters for application in ternary CMOS digital systems are considered and proposed in the paper. Such converters perform signal conversion from analog to ternary digital signal in CMOS ternary digital systems. First, general principle and structure for implementation and design of CMOS parallel analog t...