It is a challenge to implement loss-of-signal (LOS) circuit with wide threshold voltage range that insensitive temperature. This paper presents new wide-range threshold-programmable LOS detector full temperature compensation for application in 25Gb/s high-speed optical communication receivers. The programmable of the achieved by adjusting peak and gain variable amplifier (VGA). detection accura...

An analog CMOS peak detect and hold (PDH) circuit, which combines high speed and accuracy, rail-to-rail sensing and driving, low power, and buffering is presented. It is based on a configuration that cancels the major error sources of the classical CMOS PDH, including offset and common mode gain, by re-using the same amplifier for tracking, peak sensing, and output buffering. By virtue of its h...

The properties as a neutron detector of a silicon photodiode of type Hamamatsu S3590-02 in conjunction with a multi-channel analyser Alphatron-3C were investigated in an Am-Be calibration field at the department of nuclear engineering at the University of Madrid. Since the photodiode is sensitive to charged particles, we covered it with two types of converters to enable its response to thermal ...

In addition to the Poiseuille effect, a so-called temporal effect was proposed recently to elucidate the commonly observed tailing peak signals of flow injection analysis (FIA). A multi-channel absorbance detector was used in this study to obtain the FIA peaks on both the spatial and temporal coordinates. The temporal effect was analyzed by comparison of the profiles between the experimental an...

An equation analogous to the Van Deemter equation in chromatography is developed to account for peak broadening in capillary zone electrophoresis (CZE). This equation applies to conditions where the peaks are symmetrical (sample zone concentration much less than background electrolyte concentration). To identify and to quantitate the effects of different contributors to the peak width in CZE, i...

Some nuclides emit multiple gamma rays or X-rays when they decay to the ground state. If these gamma rays and X-rays are emitted essentially at the same time, it is possible that multiple photons will be detected at the same time in the detector and appear as one full-energy peak in the spectrum. This is known as “Cascade” or “True Coincidence” summing. The most common example of this is Co, wh...

General chemical synthesis methods. Anhydrous solvents were obtained commercially. Solvents required for oxime ligation coupling reactions were distilled from 2,4-dinitrophenylhydrazine immediately prior to use. Air-sensitive reactions were carried out under Ar. Thin layer chromatography (TLC) was performed on aluminium sheets coated with 60 F254 silica. Flash column chromatography was performe...

Protein adsorption to inner capillary walls creates a major obstacle in all applications of capillary electrophoresis involving protein samples. The problem is especially severe in kinetic capillary electrophoresis (KCE) techniques, which are used to study protein-ligand interactions at physiological conditions and, thus, cannot utilize extreme pH. A variety of coatings exist to reduce protein ...

The HL-LHC conditions of instantaneous peak luminosity up to 7.5x10 34 cm -2 s -1 and an integrated the order 300 fb /year is expected result in 1 MeV neutron equivalent fluence 2.3 x 10 16 n eq /cm 2 a total ionizing dose (TID) 12 MGy (1.2 Grad) at center CMS Experiment, where its innermost component, Phase-2 Pixel Detector will be installed. This detector has survive above radiation dose, han...