Results 21 to 30 of about 10,650 (234)

A Fast-Lock All-Digital Clock Generator for Energy Efficient Chiplet-Based Systems

open access: yesIEEE Access, 2022
An all-digital clock frequency multiplier that achieves excellent locking time for an energy-efficient chiplet-based system-on-chip (SoC) design is presented.
Junghoon Jin, Seungjun Kim, Jongsun Kim
doaj   +1 more source

A Low-Resources TDC for Multi-Channel Direct ToF Readout Based on a 28-nm FPGA

open access: yesSensors, 2021
In this paper, we present a proposed field programmable gate array (FPGA)-based time-to-digital converter (TDC) architecture to achieve high performance with low usage of resources.
Mojtaba Parsakordasiabi   +3 more
doaj   +1 more source

A High-Resolution Single-Photon Arrival-Time Measurement With Self-Antithetic Variance Reduction in Quantum Applications: Theoretical Analysis and Performance Estimation

open access: yesIEEE Transactions on Quantum Engineering, 2022
An almost all-digital time-to-digital converter (TDC) possessing subpicosecond resolutions, scalable dynamic ranges, high linearity, high noise immunity, and moderate conversion rates can be achieved by a random sampling-and-averaging (RSA) approach with
Tony Wu, Tzu-Chien Hsueh
doaj   +1 more source

A 5-bit time to digital converter using time to voltage conversion and integrating techniques for agricultural products analysis by Raman spectroscopy

open access: yesInformation Processing in Agriculture, 2014
Time to digital converter (TDC) is a key block for time-gated single photon avalanche diode (SPAD) arrays for Raman spectroscopy that applicable in the agricultural products and food analysis. In this paper a new dual slope time to digital converter that
Mahdi Rezvanyvardom   +2 more
doaj   +1 more source

A 13-Bit, 12-ps Resolution Vernier Time-to-Digital Converter Based on Dual Delay-Rings for SPAD Image Sensor

open access: yesSensors, 2021
A three-dimensional (3D) image sensor based on Single-Photon Avalanche Diode (SPAD) requires a time-to-digital converter (TDC) with a wide dynamic range and fine resolution for precise depth calculation. In this paper, we propose a novel high-performance
Zunkai Huang   +6 more
doaj   +1 more source

An 8-bit TDC implemented with two nested Johnson counters

open access: yesTecnología en Marcha, 2023
This work presents a Time-to-Digital Converter implemented using two nested Johnson counters and suitable for time-lapse measurement applications. The proposed structure is composed of two 4-bit nested counters, two digital-logic control networks, two ...
Jonathan Santiago-Fernandez   +3 more
doaj   +1 more source

The Modern FPGA as Discriminator, TDC and ADC [PDF]

open access: yes, 2006
Recent generations of Field Programmable Gate Arrays (FPGAs) have become indispensible tools for complex state machine control and signal processing, and now routinely incorporate CPU cores to allow execution of user software code.
  +10 more
core   +2 more sources

Time Resolution Improvement Using Dual Delay Lines for Field-Programmable-Gate-Array-Based Time-to-Digital Converters with Real-Time Calibration

open access: yesApplied Sciences, 2018
This paper presents a time-to-digital converter (TDC) based on a field programmable gate array (FPGA) with a tapped delay line (TDL) architecture. This converter employs dual delay lines (DDLs) to enable real-time calibrations, and the proposed DDL-TDC ...
Yuan-Ho Chen
doaj   +1 more source

Cross-Talk Issues in Time Measurements

open access: yesIEEE Access, 2021
The enormous diffusion of Time-Mode circuits, in particular Time-to-Digital Converter (TDC) time measurement circuits, and at the same time the dizzying increase in parallel channels required by the most recent applications, for example in the automotive
Nicola Lusardi   +4 more
doaj   +1 more source

Design of a compact and low-power TDC for an array of SiPM's in 110nm CIS technology [PDF]

open access: yes, 2017
Silicon photomultipliers (SiPMs) are meant to substitute photomultiplier tubes in high-energy physics detectors and nuclear medicine. This is because of their -to name a few interesting properties- compactness, lower bias voltage, tolerance to magnetic ...
Bandi, Franco   +3 more
core   +1 more source

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