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Like Big Science, high technology is an international phenomenon, spanning continents, epitomized by the worldwide communication of the Internet. This type of circuit is usually called "mixed signal" rather than analog or digital. Electronic components have two or more electrical terminals (or leads) aside from antennas which may only have one terminal. Good examples of analog circuits include vacuum tube and transistor amplifiers, operational amplifiers and oscillators. The website 'The High Tech Society' focusing on recent tech news and developments as well as game and gadget reviews could also be referred to as the high tech society.

An example is the comparator which takes in a continuous range of voltage but only outputs one of two levels as in a digital circuit. Sometimes it may be difficult to differentiate between analog and digital circuits as they have elements of both linear and non-linear operation. In a series circuit, the same current passes through a series of components.

However, this is something generally unattainable by the definition comprising its scarcity among every technology available. An example is the comparator which takes in a continuous range of voltage but only outputs one of two levels as in a digital circuit. Wires are treated as transmission lines, with (hopefully) constant characteristic impedance, and the impedances at the start and end determine transmitted and reflected waves on the line. Sometimes it may be difficult to differentiate between analog and digital circuits as they have elements of both linear and non-linear operation. This article focuses on engineering aspects of electronics. An example is the comparator which takes in a continuous range of voltage but only outputs one of two levels as in a digital circuit. Wires are treated as transmission lines, with (hopefully) constant characteristic impedance, and the impedances at the start and end determine transmitted and reflected waves on the line. Analog circuit analysis employs Kirchhoff's circuit laws: all the currents at a node (a place where wires meet), and the voltage around a closed loop of wires is 0. One rarely finds modern circuits that are entirely analog.