High performance single stage shaper-preamplifier for optical gated signals

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High performance single stage shaper-preamplifier for optical gated signals

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A new single stage, low noise, shaper-preamplifier for optical gated signals is described. Careful layout and accurate component selection allow the use of CMOS analogue switches before signal amplification without deterioration of the noise performance of the preamplifier. With a silicon photodiode, the minimum detectable signal is less then 3000 photons for a pulse duration of 960 µs at λ = 810 nm.

Inspec keywords: optical information processing; pulse amplifiers; preamplifiers; CMOS integrated circuits; electron device noise

Other keywords: 810 nm; noise performance; optical gated signals; single stage low noise shaper-preamplifier; signal amplification; CMOS analogue switches; silicon photodiode; Si; 960 mus; pulse duration

Subjects: Amplifiers; Optical information, image and video signal processing; CMOS integrated circuits

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