high-order /spl Sigma//spl Delta/-modulators
Stability analysis of high-order sigma-delta modulators
... A new method of analysis for Sigma-Delta modulators based on modeling the nonlinear quantizer with minimum mean square error linearized gains followed by an additive noise source represe[r] ...
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State scaling of continuous-time sigma-delta modulators
... like sigma delta modulators David F.Hoeschele (1994). Sigma delta data converters are com- pared to simple Nyquist rate or oversampled data converters, feedback systems and thus have ...
5
New Current-mode Universal Filter by a Novel Low Voltage Second Generation Current Conveyor
... and sigma-delta modulators because of the high frequency performance for current and voltage transfer ...pass, high pass and band pass which can adjust the cut-off frequencies and ...
6
Stability Analysis of Higher Order Delta Sigma Modulators for Dual Sinusoidal Inputs
... ∆-Σ modulators is complicated to predict due to the non-linearity introduced by the quantizer in the feedback ...∆-Σ modulators based on the noise amplification curve is given in ...∆-Σ modulators ...
5
2nd Order Sigma Delta Modulator Using Reversible Fredkin and Toffoli Gates
... The comparator is suitable for many high speed and low power applications. Its operation clocks as it is a sequential circuit. When there is reset mode the nodes A and B are pulled up to VDD, and when clock goes ...
5
Stability analysis of higher order delta sigma modulators using the describing function method
... ∆-Σ modulators is complicated to predict due to the non-linearity introduced by the quantizer in the feedback ...∆-Σ modulators based on the noise amplification curve is given in ...∆-Σ modulators is ...
5
Simulation of nonideal component effects in sigma-delta modulators
... analysis of a nonlinear model. The nonlinear model of a first order modulator shown in Figure 2. AI is the modulator analog input. ERR is the error signal formed by subtracting PT, the p[r] ...
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Force feedback linearization for higher order electromechanical sigma delta modulators
... In this paper, the nonlinearity generated by the electromechanical DAC in the feedback loop and the conversion from displacement to voltage in the forward path has been analysed. An effective linearization scheme is ...
7
An Improved Architecture for Multiple-Order Single-Bit Quantizer Based Over-Sampled Delta-Sigma Modulators
... Over-Sampled Delta-Sigma Modulator (DSM) is ...multiple- order noise-shaping ...of order and provides approximately the same NTF function and slightly better SNR value than that of regular ...
5
On the synthesis and optimization of cascaded continuous-time Sigma-Delta modulators
... ideal high-pass filter whose order is equal to the overall modulator order, ...stage modulators in the cascade, while maintaining a DC gain of one for the signal transfer ...
5
Nonlinear Stability Prediction of Multibit Delta Sigma Modulators for Sinusoidal Inputs
... for Delta-Sigma (Δ-Σ) modulators are complicated to predict due to the non-linearity of the ...the order of the Δ-Σ modulator ...Δ-Σ modulators and is limited to 1 st - and 2 nd - ...
15
Tonality index of sigma delta modulators: a psychoacoustics model based approach
... frequency of 21 kHz and decimated by a factor of 64. The filter was realized as a Tapped delay line having the order 348. The input signal was additively contaminated with Additive White Gaussian Noise (AWGN) with ...
5
Sigma Delta Modulators: A Review
... achieve high accuracy at a reasonable speed conversion, leverages the digital CMOS process features and is relatively insensitive to fabrication process ...and high sampling rate at the cost of the circuit ...
9
Time-Mode Signal Quantization for Use in Sigma-Delta Modulators
... time-based sigma-delta ...-based sigma-delta modulators (SDMs) are selected to be reviewed in this ...time-mode sigma-delta modulators, a TDC-based continuous-time ...
9
Kinematic control of male Allen's hummingbird wing trill over a range of flight speeds
... Wing trills are pulsed sounds produced by modified wing feathers at one or more specific points in time during a wingbeat. Male Allen ’ s hummingbirds (Selasphorus sasin) produce a sexually dimorphic 9 kHz wing trill in ...
11
Equal latency contours and auditory weighting functions for the harbour porpoise (Phocoena phocoena)
... The high power LL 1424HP did not fit in the protective box, so this projector was hung in front of the box by ropes attached to its stainless steel cage, at ...m high, ...
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Malignant Lymphoma in the Parasellar Region
... Copyright © 2014 Takao Koiso et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...
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Conversion of Object Oriented System into Software Product Line with Delta Modeling Abstract Behavioral Specification
... In software development scenario with high variety level, software modeling language and powerful tools to help the implementation process are among of most important things. Design-oriented languages such as ...
6
The E6/E7 promoter of human papillomavirus type 16 is activated in the absence of E2 proteins by a sequence-aberrant Sp1 distal element.
... To test the function of the Spl distal element in vivo, we transfected OVEC vectors with wild-type and mutated HPV-16 Spl-binding sites and the SV40 enhancer in close position into SiHa,[r] ...
8
Zsim: a non-linear Z-domain simulator for delta-sigma modulators
... Difference equation simulations along with decimation, baseband filtering and post processing are performed to verify the performance of the mod ulator. At this stage, circuit-level impl[r] ...
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