49.025.05 黑色金属合金综合 标准查询与下载

ECA 202-A-1964 电子管和基础大纲绘制准备的推荐实践

The purpose of this recommended practice is to supply the essential information required for the preparation of satisfactory tube and base outline drawings (hereinafter referred to as “outlines”) on electron tubes and related vacuum sealed devices for JED

Recommended Practice for Preparation of Outline Drawings of Electron Tubes and Bases

ECA 190-A-1964 针调直器和电子管的配线夹具

These standards, adopted and issued by the Electronic Industries Association were formulated by the Electron Tube Council of the Joint Electron Device Engineering Councils.

Pin Straighteners and Wiring Jigs for Electron Tubes

ECA 209-A-1963 电子管附录1-1965:附录2-1968

This Supplement includes all ite,ms submitted for standardization by JEDEC Committee JT-6 up to May 1968. RS-209-A was originally issued in February 1963 as a loose-leaf publication and Supplement No.1 in August 1965. The inclusion of these supplementary

Electron Tubes Supplement 1 - 1965; Supplement 2 - 1968

ECA 239-A-1963 电子管的电气等级系统

Design-Center ratings are limiting values of operating and environmental conditions applicable to a bogey electron tube of a specified type as defined by its published data, and should not be exceeded under normal conditions.

Electrical Rating Systems for Electron Tubes

ECA TEP 137-1962 电子管的设计最大分级系统

The conditions under which an electron tube may be operated are limited by fundamental capabilities of the tube itself. Physical limitations exist , for example, in the permissible temperatures at which the various electrodes may be operated, in the amoun

Design-Maximum Rating System for Electron Tubes

ECA 179-1957 显象管测试器分类

It shall be standard to divide tube testers into four numbered groups as described and illustrated below. Assignment of any tube tester to one of these groups can readily be made.

Tube Testers, Classification of

ECA 180-1957 电子设备用电力变压器

This specification covers iron core, power transformers up to 10 KVA for use in electronic equipment where long life, reliability and continuity of operation is essential.

Power Transformers for Electronic Equipment

ECA 174-1956 电子设备的音频变压器

This standard covers iron core transformers for use in Electronic Equipment in which long life,reliability and continuity of operation are essential, and which are required to transform voltages with fidelity over a designated frequency band and operate b

Audio Transformers for Electronic Equipment

ECA 277-1949 金属电子管外壳的命名系统

It shall be standard to indicate the types of metal electron tube shells with designations consisting of four parts as follows: 1-The letter M which will identify the bulb as belonging to the metal bulb group.One or more letters indicating the shape or t

Designation System for Metal Electron Tube Shells