IEC 60151-7-1964 Measurements of the electrical properties of electronic tubes Part 7 Measurement of equivalent noise resistance《电子管电性能的测量 第7部分 等效噪声电阻的测量》.pdf

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1、NORME CE1 INTERNATIONALE IEC INTERNATIONAL STANDARD 601 51 -7 Premire dition First edition 1964-01 Mesures des caractristiques lectriques des tubes lectroniques Partie 7: Mesure de la rsistance quivalente de bruit Measurements of the electrical properties of electronic tubes and valves Part 7: Measu

2、rement of equivalent noise resistance Numro de rfrence Reference number CEIIIEC 60151-7: 1964 Numros des publications Numbering Depuis le ler janvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CE1 in

3、corporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu te

4、chnique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs la date de reconfir- mation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en c

5、ours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les documents ci- dessous: Site web de la CEI* Catalogue des publications de la CE1 Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de la CE1 D

6、isponible la fois au .site web. de la CEI* et comme priodique imprime Terminologie, symboles graphiques et littraux En ce qui concerne la terminologie gnrale, le lecteur se reportera la CE1 60050: Vocabulaire Electro- technique International (V EI). Pour les symboles graphiques, les symboles littrau

7、x et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles littraux cet effet est en gnral peu important pour des valeurs de rsistance de charge infrieures 500 ohms environ. Des difficults peuvent tre provoques par la raction due la capacit anode-grille du tube mesur. a) b)

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