Vacuum tube amplifiers used the first time in coast-to-coast telco circuits.
真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。
A vacuum electron device made by the discharging currnt, that is, ignitron, has the features of resistance to high pressure, high power and fast current rise.
利用这放电现象制成的一种真空电子器件即引燃管,具有耐压高、率大、流上升速度快等特点。
Design of High Fidelity Headphone Amplifier Based on Vacuum Tube WCF Circuit
基于电子管WCF电路的高保真耳机放大器设计
vacuum thermionic tube detector
真空热离子管检波器
evacuated quartz tube heater
抽真空式石英管加热器
seibt rectifier
低压真空管全波整流器
evacuated tube collector
真空管式[太阳能]收集器
tubular solar collector
真空管太阳能集热器
The principal functions that may be performed by vacuum tubes are rectification, amplification, oscillation, modulation, and detection.
真空管的五大主要功能是“整流、放大、振荡、调制和检波。
direct-coupled transistor amplifier
直接耦合晶体管放大器
semiconductor diode amplifier
半导体二极管放大器
single-varactor parametric amplifier
单变容管参量放大器
push-pull transistor amplifier
推挽式晶体管放大器
three-resonator klystron amplifier
三共振腔速调管放大器
transistor servo preamplifier
晶体管伺服前置放大器
beam-tetrode power amplifier
束射四极管功率放大器
avalanche diode integrated amplifier
雪崩管集成功率放大器
transistor-alpha meter
晶体管放大系数测定器
