• GEM10P4/CFG-PV4/DWR-30 Coaxial Detector System (Includes detector, cryostat, dewar, preamplifier, and 12-ft. cable pack); typical specifications: 10% relative efficiency, 1.75 keV resolution at 1.332 MeV, 41:1 peak-to-Compton ratio. • 659 0–5 keV Detector Bias Supply • 672 Spectroscopy Amplifier • 480 Pulser • C-24-12 Cables (2 ea.) • C-24-1 Cable • C-29 BNC Tee Connector • 4001A/4002D NIM Bi...

Pyruvate kinase multimers have been investigated by charge detection mass spectrometry (CDMS). In CDMS, the m/z and z are simultaneously measured for each ion, so the mass is determined directly. The measurements were made using a modified cone trap that incorporates an image charge detector with a cryogenically cooled preamplifier. With non-denaturing solution conditions, the tetrameric form o...

Recursive algorithms for real-time digital pulse shaping in pulse height measurements have been developed. The differentiated signal from the preamplifier (exponential pulse) is amplified and then digitized . Digital data are deconvolved so that the response of the high-pass network is eliminated. The deconvolved pulse is processed by a time-invariant digital filter which allows trapezoidal/ tr...

Abstract A monolithic silicon pixel detector prototype has been produced in the SiGe BiCMOS SG13G2 130 nm node technology by IHP. The ASIC contains a matrix of hexagonal pixels with pitch approximately 100 μm. Three analog were calibrated laboratory radioactive sources and tested 180 GeV/c pion beamline at CERN SPS. detection efficiency (99.9 -0.2 +0.1 )% was measured together time resolution (...

Carrier-envelope (CE) phase stabilization of a two-stage chirped pulse amplifier laser system with regenerative amplification as the preamplifier is demonstrated. The CE phase stability of this laser system is found to have a 90 mrad rms error averaged over 50 laser shots for a locking period of 4.5 h. The CE phase locking was confirmed unambiguously by experimental observation of the 2pi perio...

Introduction Array coils for MRI use highly reflective, low-noise preamplifiers to boost signal levels while minimizing, respectively, inductive coupling [1] and added noise. The noise factor [2], i.e., the loss of SNR due to noise added by the preamp (or noise figure, NF, when expressed in dB) depends on the admittance seen by the preamplifier's input, Ys = Gs + iBs, according to the expressio...