Published April 1962 | Version v1
Book

A highly stable pulse-height discriminator

Creators

  • 1. Atomic Energy Research Establishment, Harwell, Didcot (United Kingdom)

Description

Direct-coupled trigger circuits require pulses of large amplitude when used for accurate pulse-height discrimination. Sensitive pulse-height discriminators using the incremental characteristics of diodes have been described in the literature. These use AC coupling round the feedback loop and suffer from the disadvantage of having the threshold dependent on input pulse shape. This paper describes a new trigger circuit using transistors and semiconductor diodes which can be used as a pulse-height discriminator of high accuracy for current pulses. This trigger circuit has the advantages of high sensitivity and independence of pulse shape over a wide range. (author)

Abstract (French)

Les circuits de declenchement a couplage direct exigent des impulsions de grande amplitude lorsqu'ils sont utilises pour operer une discrimination precise des amplitudes d'impulsions. Des discriminateurs d'amplitude sensibles fondes sur les proprietes amplificatrices des diodes sont decrits dans plusieurs ouvrages. L'inconvenient de ces appareils, qui emploient un couplage autour de la boucle de reaction, est que le seuil depend de la forme de l'impulsion a l'entree. L'auteur decrit un nouveau circuit de declenchement qui emploie des transistors et des diodes a semi-conducteurs et peut etre utilise comme discriminateur d'amplitude d'impulsion de grande precision pour les impulsions de courant; il offre l'avantage d'etre a la fois particulierement sensible et independant de la forme de l'impulsion sur une gamme tres etendue. (author)

Abstract (Spanish)

Cuando se emplean para la discriminacion precisa de amplitudes de impulso circuitos de disparo directamente acoplados, es necesario emplear impulsos de gran amplitud. En la bibliografia aparecen descripciones de discriminadores de amplitudes de impulso de gran sensibilidad que utilizan las caracteristicas no lineales de los diodos. Emplean acoplamientos en alterna en el circuito de realimentacion y tienen el inconveniente de que el umbral depende de la forma de los impulsos. La memoria describe un nuevo circuito de disparo con transistores y diodos semiconductores, que puede servir como discriminador de amplitudes de impulso de gran precision, para impulsos de corriente, y tiene la ventaja de ser muy sensible y no depender de la forma de los impulsos, aunque esta varie notablemente. (author)

Abstract (Russian)

Pri ispol'zovanii dlya tochnoj diskriminatsii amplitudy impul'sov neposredstvenno vklyuchennye puskovye kontury trebuyut nalichiya impul'sov s bol'shoj amplitudoj. V tekhnicheskoj literature byli opisany chuvstvitel'nye diskriminatory amplitudy impul'sov, v kotorykh ispol'zovalis' postepenno narastayushchie kharakteristiki diodov. EHti diskriminatory rabotayut na peremennom toke v tsepi obratnoj svyazi i imeyut tot nedostatok, chto ikh porog zavisit ot formy vvodimogo impul'sa. V nastoyashchem doklade opisyvaetsya novyj puskovoj kontur s ispol'zovaniem tranzistorov i poluprovodnikovykh diodov, kotoryj mozhet sluzhit' v kachestve vysokotochnogo diskriminatora amplitudy obychnykh impul'sov i kotoryj, vmeste s tem, obladaet preimushchestvom vysokoj chuvstvitel'nosti i nezavisimosti ot formy impul'sov v ikh shirokom diapazone. (author)
Part of:
Nuclear Electronics II. Proceedings of the Conference on Nuclear Electronics. V. II

Additional details

Additional titles

Original title (English)
Discriminateur d'amplitudes d'ultra-stable; Ul'trastabil'nyj diskriminator amplitudy impul'sov; Discriminador de amplitudes de impulso de gran estabilidad

Publishing Information

Publisher
Brueder Rosenbaum
Imprint Place
Vienna (International Atomic Energy Agency (IAEA))
Imprint Title
Nuclear Electronics II. Proceedings of the Conference on Nuclear Electronics. V. II
Imprint Pagination
473 p.
Series
Proceedings Series
Journal Page Range
p. 239-251
ISSN
0074-1884

Conference

Title
Conference on Nuclear Electronics
Dates
15-20 May 1961
Place
Belgrade, Yugoslavia (Serbia)

INIS

Country of Publication
International Atomic Energy Agency (IAEA)
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43116651
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ACCURACY; AMPLITUDES; DISCRIMINATORS; PULSE SHAPERS; PULSES; SEMICONDUCTOR DIODES; SENSITIVITY; TRANSISTORS; TRIGGER CIRCUITS
Descriptors DEC
ELECTRONIC CIRCUITS; PULSE CIRCUITS; SEMICONDUCTOR DEVICES; SIGNAL CONDITIONERS

Optional Information

Notes
6 figs, 1 tab., 5 refs Imprint:In three volumes
Secondary number(s)
STI/PUB--42(Vol.2)