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The paper presents a new class of hybrid circuits named GALS-SA (Globally Asynchronous Locally Synchronous - Structured ASIC) that incorporates the advantages of GALS (Globally Asynchronous Locally Synchronous) architecture together with the ones of structured ASIC platforms. Specialized modules are developed to implement asynchronous communication channel between synchronous modules. Dedicated test...
Wave-pipelining enables digital systems to be operated at higher frequencies by properly selecting the clock periods and clock skews so as to latch the output of combinational logic circuits at stable periods. In the literature, only trial and error and manual procedures are adopted for these selections. The major contribution of this paper is the proposal for automating the above procedure for the...
Class D amplifiers are becoming the most feasible solution for embedded audio application. However, distortions due to the non-linear nature of switching stage are the main drawback for this amplifier topology. This paper discusses the design and implementation of high fidelity audio class D using sliding mode control scheme. This design method proves to be a cost effective solution for industrial...
The rate compatible punctured convolutional code (RCPC code) is an important module in Multi-band Orthogonal Frequency Division Multiplexing Ultra Wide Band (MB-OFDM-UWB) indoor positioning system introduced in this paper as a kind of useful channel coding to offer more protection against all kinds of channel noise under indoor channel environments. In this paper, RCPC code for MB-OFDM-UWB indoor...
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