نتایج جستجو برای: flash adc
تعداد نتایج: 23896 فیلتر نتایج به سال:
This paper presents a new voltage comparator design called Quantum Voltage (QV) comparator for the next generation deep sub-micron low voltage CMOS flash A/D converter (ADC). Unlike the traditional differential voltage comparators designed to minimize input-offset voltage error due to the mismatches in a differential transistor pair, the QV comparators are designed to optimize the inputoffset v...
The High Resolution Fly s Eye Experiment uses a realistic Monte Carlo program to determine its aperture and resolution We have developed a detailed simulation of the detector response which allows us to generate events that can be compared directly against real data by reconstructing them with the same analysis programs We use a library of proton and iron induced air showers generated with the ...
The paper presents a CMOS interface circuit design for optical pH measurement that can produce an 8-bit digital output representing the color information (i.e., wavelength, l). In this work we are focusing at reducing the component count by design and hence reducing the cost and silicon area. While it could be further optimized for lower power consumption, the proposed design has been implement...
Preprint submitted to Elsevier Preprint 17 February 2008 We have measured the spectrum of UHE cosmic rays using the flash ADC (FADC) detector (called HiRes-II) of the High Resolution Fly’s Eye experiment running in monocular mode. We describe in detail the data analysis, development of the Monte Carlo simulation program, and results. We also describe the results of our other detector, HiRes-I. ...
The MAGIC telescope uses a 300 MHz FADC system to sample the shaped PMT signals produced by the captured Cherenkov photons of air showers. Different algorithms to reconstruct the signal from the read-out samples (extractors) have been developed and are described and compared. Criteria based on the obtained charge and time resolution/bias are defined and used to judge the different extractors, by
Ultra-energy-efficient analog-to-digital converters (ADCs) based on single-electron transistor (SET)/complementary metal-oxide-semiconductor (CMOS) hybrid technology are proposed as a solution to sense and process biomedical signals. Our results show the energy efficiency of 0.82 pJ/state, which is lower than that in previously reported energy-efficient ADCs. The performance and dissipated powe...
Introduction. FOPI experiments produce low statistics with respect to certain strange particles, especially negatively charged kaons [1]. The reasons are their rareness and the slow data read-out even with the updated FADC scanning system [2]. Thus, a trigger system is required to ensure that only events containing these particles are read by the FADC scanners [3]. We have investigated, how our...
Presently, the MAGIC telescope uses a 300 MHz FADC system to sample the transmitted and shaped signals from the captured Cherenkov light of air showers. We describe a method of Digital Filtering of the FADC samples to extract the charge and the arrival time of the signal: Since the pulse shape is dominated by the electronic pulse shaper, a numerical fit can be applied to the FADC samples taking...
This paper presents design and implementation of a 9-bit folding and interpolation ADC using 0.35 μm CMOS C35B4 model under AMS-HIT Kit Library. The complete system consists of two main blocks. One of them is 4-bit flash ADC, which is based on the so-called threshold inverter quantization (TIQ) technique. This part forms the coarse part of the data conversion process. The second one is the 5-bi...
-This paper introduces a single-ended non-offsetcancelled flash ADC architecture, the "Threshold Inverter Quantizer" (TIQ). The TIQ is based on a CMOS inverter cell, in which the voltage transfer characteristics (VTC) are changed by systematic transistor sizing. As a result, a significant improvement of speed and reduction of area and power consumption is achieved.
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