Results 61 to 70 of about 1,142,708 (193)
Three-Level De-Multiplexed Dual-Branch Complex Delta-Sigma Transmitter
Sensors, 2018 In this paper, a dual-branch topology driven by a Delta-Sigma Modulator (DSM) with a complex quantizer, also known as the Complex Delta Sigma Modulator (CxDSM), with a 3-level quantized output signal is proposed.
Anis Ben Arfi +4 more
doaj +1 more source
Nonlinearity-Induced Spur Analysis in Fractional-
IEEE Open Journal of the Solid-State Circuits SocietyA fractional-N frequency synthesizer with low total jitter [e.g., <50fsrms, accounting for both phase noise (PN) and spurs] is essential for enabling the emerging 5G/6G and other high-speed wireless communication standards (e.g., WiFi-6/7).
Yizhe Hu +2 more
doaj +1 more source
Ternary and Multi-Bit FIR Filter Area-Performance Tradeoffs in FPGA [PDF]
Mehran University Research Journal of Engineering and Technology, 2013 In this paper, performance and area of conventional FIR (Finite Impulse Responce) filters versus ternary sigma delta modulated FIR filter is compared in FPGA (Field Programmable Gate Arrays) using VHDL (Verilog Description Language).
Khalil-Ur-Rahman Dayo , Tayab Din Memon
doaj
Micromachines, 2018 This paper presents a multi-stage noise shaping (MASH) switched-capacitor (SC) sigma-delta (ΣΔ) analog-to-digital converter (ADC) composed of an analog modulator with an on-chip noise cancellation logic and a reconfigurable digital decimator ...
Risheng Lv, Weiping Chen, Xiaowei Liu
doaj +1 more source
Performance Analysis and Optimal Filter Design for Sigma-Delta Modulation via Duality With DPCM
IEEE Transactions on Information Theory, 2019 Sampling above the Nyquist rate is at the heart of sigma–delta modulation, where the increase in sampling rate is translated to a reduction in the overall (mean-squared-error) reconstruction distortion.
Or Ordentlich, U. Erez
semanticscholar +1 more source
A Spatial Sigma-Delta Approach to Mitigation of Power Amplifier Distortions in Massive MIMO Downlink
IEEE Open Journal of Signal ProcessingIn massive multiple-input multiple-output (MIMO) downlink systems, the physical implementation of the base stations (BSs) requires the use of cheap and power-efficient power amplifiers (PAs) to avoid high hardware cost and high power consumption. However,
Yatao Liu, Mingjie Shao, Wing-Kin Ma
doaj +1 more source
, 2005 We explore the possibility of simultaneous determination of neutrino mass hierarchy and the CP violating phase by using two identical detectors placed at different baseline distances.
B. Pontecorvo +10 more
core +1 more source
Cycle-Skipping Technique Based on Sigma-Delta Modulation for Power Regulation in Modular SRC-DCX
IEEE Open Journal of Power ElectronicsThis manuscript investigates a sigma–delta–based cycle-skipping modulation strategy for power regulation and current sharing in modular series resonant DC transformers.
Lohith Kumar Pittala +5 more
doaj +1 more source
Design methodology for a maximum sequence length MASH digital delta-sigma modulator [PDF]
, 2009 The paper proposes a novel structure for a MASH digital delta-sigma modulator (DDSM) in order to achieve a long sequence length. The expression for the sequence length is derived. The condition to produce the maximum sequence length is also stated. It is
Condon, Marissa, Xu, Tao
core +2 more sources
Sigma Delta Modulation Based Ternary FIR Filter Mapping on FPGA [PDF]
Mehran University Research Journal of Engineering and Technology, 2011 In this paper single-bit SDM (Sigma Delta Modulation) based TFF (Ternary FIR Filter) with balanced ternary coefficients (i.e. -1/0/+1) has been mapped on small commercially available FPGAs (Field Programmable Gate Arrays).
Tayabuddin Memon +2 more
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