A nonlinear preamplifier system to improve the performance of a zerocrossover optical trigger circuit is presented. The network is based on a low-noise operational amplifier with a Zener diode feedback. It is proposed to exploit the nonlinear characteristic of this network to reduce timing measurement uncertainty. Accordingly the circuit has been developed and tested in operation.
Nonlinear feedback preamplifier for optical trigger circuits / Rovati, Luigi; Salvatori, G.. - In: ELECTRONICS LETTERS. - ISSN 0013-5194. - STAMPA. - 40:(2004), pp. 924-926. [10.1049/el:20045309]
Nonlinear feedback preamplifier for optical trigger circuits
ROVATI, Luigi;
2004
Abstract
A nonlinear preamplifier system to improve the performance of a zerocrossover optical trigger circuit is presented. The network is based on a low-noise operational amplifier with a Zener diode feedback. It is proposed to exploit the nonlinear characteristic of this network to reduce timing measurement uncertainty. Accordingly the circuit has been developed and tested in operation.
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