Tube

A new calculation method for Katzman s calculation on the vacuum tube power (magnification) step is presented.

介绍了卡茨曼给出的计算电子管功放级的一种新算法,指出卡氏法的局限性,提出有用的改进意见,建立了利用通用曲线进行计算的方法。

Based on the analysis of vacuum tube slight variation equivalent circuit,a headphone amplifier is designed to drive high fidelity headphone.

以电子管微变等效电路分析为基础,设计了一款以驱动高保真耳机为目的的耳机放大器。

Based on the analysis of vacuum tube slight variation equivalent circuit,the primary parameters of the input and output entry are calculated,and the open-loop and closed-loop parameters of the whole amplifier are also analyzed.

基于电子管微变等效电路分析方法,计算出输入级和输出级电路的主要参数,并对整个放大器的开环和闭环参数进行了分析,文中还采用客观测量和主观评价的方式对该放大器的性能进行了说明。

The article gives the brief introduction about the inner construction of the metallic ceramic electron tube that is usually used in the transmitter of valve TV,and the function of each electrode.

通过对电子管电视发射机中常用金属陶瓷电子管内部结构和各个电极作用的简要介绍,着重在如何能够延长金属陶瓷电子管的使用寿命方面做了详细阐述,并提出了电子管在日常维护、保养、使用当中应注意的问题。

The final electron tube poweramplifier is the chief part of TV transmitter.

末级电子管功率放大器是电视发射机的主要部件,电视发射机维修费用的90%用于电子管放大器的维修,电视信号质量指标好坏与末级放大器的工作状态紧密相关。

The precursor results show the 6T51-type electronic tube equipped with La-Mo cathode suffers from good emission stability when conditioned by work voltage of 4.

加工后获得的丝材经1973K退火后，韧性好，满足电子管阴极加工要求。

electrode for electronic tubes and valves

电子管与整流管电极

Dimensions of electronic tube bases

GB/T787-1974电子管管基尺寸

balanced valve coupler

平衡式电子管耦合电路

electronic valve type power directional relay

电子管功率定向继电器

valve electrocardiograph

电子管式心电描记器

VHF vacuum-tube voltmeter

甚高频电子管电压表

A positively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.

阳极，正极电解电池、蓄电池或电子管的正电电极

An electron tube with a photosensitive cathode.

光电管具有感光的阴极电子管

UHF electronstatic control tube

静电控制超高频电子管(栅控管)

electronic valves and tubes

热离子、冷阴极或光阴极电子管、晶体管

In a radio tube there is a source of electrons.

在电子管中，有一个电子发射源。

Vacuum tubes require DC voltage sources as well.

真空电子管也要求以直流电压为电源。

Cathode-ray tube(CRT)

电子束管(阴极射线管)

synthesizing aperture

电视显象管电子束孔

secondary electron conduction camera tube

二次电子导电摄像管

secondary electron conduction target vidicon

次级电子导电视像管

quantizing aperture

电视摄像管电子束孔

electron-induced conductivity vidicon

电子感生导电视像管