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Current-to-voltage converters often need to have a wide dynamic range and a high sensitivity. We propose a method to design such converters. The conversion is made to comprise a nonlinear compression applied to the DC component of the input current and a high gain conversion to the signal one. It is performed by a low-pass current filter and current-dependent resistances. The current filter is used...
The paper describes principles of IC designed for SiPM signal processing on the input and digital output, with sample rate 5-7 MSPS. Describe also functionality and applications of designed IC as well as results of simulations, hardware prototype of IC ADC realized in CMOS (AustriaMicrosystems C35134,035 mum) technology.
An ultra-low power pipelined ADC is realized by replacing conventional op-amp circuits with dynamic source-follower gain stages. The presented 90-nm CMOS converter operates at 50 MS/s and achieves an SNDR of 49.4 dB while dissipating 1.44 mW from a 1.2-V supply.
Time-to-digital converter (TDC) integrated circuit is introduced in this paper. It is based on chain of delay elements composing a regular scalable structure. The scheme is analogous to the sound direction sensitivity nerve system found in barn owl. The circuit occupies small silicon area, and its direct mapping from time to position-code makes conversion rates up to 500Msps possible. Specialty of...
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