查询词典 transistor radio

The design for impedance converting circuit of input current,transistor amplifying circuit and converting circuit of output current is presented.The telegrapher equations are adopted to determine the impedance of transmission-line transformer,which is used to convert circuit impedance between signal source and transistor.

讨论了放大器输入回路阻抗变换电路、晶体管放大电路以及输出回路阻抗变换电路的设计思想，运用电报方程从理论上推导出用于信号源和晶体管之间阻抗变换的传输线变压器输入输出阻抗计算公式，由此设计出模拟信号处理电路中非常重要的AB类高功率放大器。

This is achieved by adopting a replica transistor with the same threshold voltage as the sampling transistor.

这是通过采用一个与采样MOS开关具有相同阈值电压的"复制"开关得以实现的。

Because the upper transistor is an emitter follower (gain =~1); and the lower transistor is a variable resistor.

其增益大约为1，这大约为1的增益，不是晶体管放大所得，而是晶体管等效为电阻的结果。

Anisotropically etched insulative sidewall spacers are formed over opposing sidewalls of individual of said transistor gate lines within the peripheral circuitry area prior to forming anisotropically etched insulative sidewall spacers over opposing sidewalls of individual of said transistor gate lines within the memory array area.

在所述存储器阵列区域内的所述晶体管栅极线中的个别者的相对侧壁上形成各向异性蚀刻的绝缘侧壁隔离物(40)之前，在所述外围电路区域内的所述晶体管栅极线中的个别者的相对侧壁上形成各向异性蚀刻的绝缘侧壁隔离物(34)。

Secondly,two regulatable current sources for exicitation of magenetic powder dynamic brake are studied respectively with buck and interleaving two-transistor forward topology. In the power supply with interleaving two-transistor forward topology design,simulations are implemented with Saber simulator,thus the best parameters are achieved which ensured the stability and dynamic characteristic.

二、分别用 BUCK 式和交错并联的双管正激式电路拓扑，研制了磁粉制动器的直流励磁电流源，其中对于交错并联双管正激式的电路进行了基于 Saber 的仿真，确保了电路参数的选取能够保证电路稳定性与动态性能要求。

However, since the capacitor forces an ac ground at the emitter of the output transistor, the capacitor charging currents are proportional to the antilog of the voltage at the base of the output transistor.

然而，由于电容器部队在一个输出晶体管发射极交流接地，电容器的充电电流在输出晶体管的基成正比的电压反对数。

In one embodiment, a memory device comprises a first memory cell and a second memory cell, wherein the first memory cell comprises a first transistor coupled to a bit line and the second memory cell comprises a second transistor coupled to a bit line bar.

在一实施例中，一种存储装置包含一第一存储单元及一第二存储单元，其中该第一存储单元包含一耦接至一位线的第一晶体管，而该第二存储单元包含一耦接至一位线棒的第二晶体管。

The article introduced the principle and apply of the transistor avalanche through four example of transistor oscillator、 avalanche oscillator、 audio signal generator 、 flash metronome.

本文介绍了晶体管的雪崩原理，通过张弛振荡器、崩振荡器、音频信号发生器和闪光节拍器四个例子介绍了雪崩晶体管的应用。

The present invention relates to an inrush current limiter device for limiting inrushing current to a connectable load comprising: at least one switchable IGBT (Insulated Gate Bipolar Transistor)-based limiter unit for selectively limiting the inrushing current, having at least one current limiting conductor element for limited leading of current, and at least an IGBT-based switch, whereby the IGBT(Insulated Gate Bipolar Transistor)-based switch (Q2) is used as well as a controlled current limiter and as a by-pass element, and at least one control device for controlling the IGBT-based switch, whereby the control device comprises at least one IGBT-based switch supply and means for realizing a smooth flank of an output signal at the selected conductor element.

本发明涉及一种用于限制针对可连接负载的浪涌电流的浪涌电流限制器设备，包括：至少一个可开关的基于IGBT的限制器单元，用于选择性地限制浪涌电流，其具有至少一个限流导体元件，该限流导体元件用于有限引导电流，和至少一个基于IGBT的开关，其中基于IGBT的开关(Q2)用作受控电流限制器和旁通元件，和至少一个控制设备，用于控制基于IGBT的开关，其中控制设备包括至少一个基于IGBT的开关电源和用于实现选定导体元件处的输出信号的平滑侧面的装置。

It also requires less load capability of high-voltage pulse power supply, and allows using avalanche transistor or MOS transistor to replace expensive krytron and unstable spark gap. That has simplified the whole system and improved reliability, stability and flexibility.

降低了对脉冲高压驱动电源负载能力的要求，允许用雪崩管或MOS管代替极其昂贵的冷阴极管和稳定性差的高压火花隙，提高了可靠性和稳定性，简化了系统，增加了灵活性。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。