In Analog-to-digital (A/D) conversion on oversampled bandlimited functions, integration of samples in blocks before down-sampling, known as decimation, has been proven to greatly improve the efficiency of data storage while maintaining high accuracy. In particular, when coupled with the Σ∆ quantization scheme, the reconstruction error decays exponentially with respect to the bit-rate. Here, a s...

This paper presents a kind of design method about the decimation filter design for high performance ADC application. It was implemented and validated by simulation using MATLAB tool and its complete architecture was realized using DSP blockset and Simulink. A two-stage decimation filter architecture which can reduce digital switching noise was also introduced in this design. The FIR low pass fi...

In multi-standard transceivers a programmable decimation filter is required to perform channel select filtering at baseband since the channel bandwidths, sampling rates, and CNR requirements are different. This paper presents a low power fifth-order comb decimation filter with programmable decimation ratios (16 and 8) and sampling rates (12.8 MHz and 44.8 MHz) for GSM and DECT applications. The...

Let Φ be a uniformly distributed random k-SAT formula with n variables and m clauses. Non-rigorous statistical mechanics ideas have inspired a message passing algorithm called Belief propagation guided decimation for finding satisfying assignments of Φ. This algorithm can be viewed as an attempt at implementing a certain thought experiment that we call the decimation process. In this paper we i...

We study the susceptibility propagation, a message-passing algorithm to compute correlation functions. It is applied to constraint satisfaction problems and its accuracy is examined. As a heuristic method to find a satisfying assignment, we propose susceptibility-guided decimation where correlations among the variables play an important role. We apply this novel decimation to locked occupation ...

Different decimation filter architectures are compared for integration with an existing second order sigma-delta modulator to form a sigmadelta ADC. The decimation filters are implemented using a third order cascaded integrator comb filter programmed to work for oversampling ratios of 64, 128 and 256. IIR-FIR, non-recursive and polyphase architectures of decimation filters are simulated and imp...