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In the statistical static timing analysis (S-STA), the timing information, such as a gate delay, a signal arrival time, and a slack, is treated as a random variable, and the statistical maximum operation is an important basic operation. Since the maximum of two Gaussian random variables is not Gaussian, various techniques for representing a non-Gaussian distribution have been proposed. Among them,...
In this paper a novel Winner-Take-All (WTA) topology is presented which shows good trade-off between resolution and resolution speed, at the cost of some increase in power consumption. The proposed WTA is compared with other current-mode WTAs found in literature based on the same operation principle. All the topologies were designed in a 0.13µm CMOS process and characterized in terms of resolution,...
The design of integrated circuits involves the consideration of a large number of constraints of various types. In addition to the definition of these constraints in a constraint-driven design flow, the declaration of new, yet unknown constraint types might be necessary.
A method to analyze the injection locking and injection pulling of arbitrary oscillators under small excitation is proposed. The most general case when the excitation frequency is close to a rational fraction of the oscillator fundamental is considered. The phase differential equation for an arbitrary periodic excitation is derived. Expressions to evaluate characteristics of the oscillator in injection...
Testing an RF device in Production is expensive and technically difficult. At Wafer Test level, the RF probing technologies hardly fulfil the industrial test requirements in terms of accuracy, reliability and cost. At Package test level testing the RF parameters requires expensive RF equipments (RF automated test equipments (ATE)) and for complex RF transceivers, which address multi-modes (RF multi-paths...
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