最初的集成运算放大器的输出级是NPN电流源的NPN放射追随器或通过电阻下拉,如图1.6所示。
The earliest IC op amp OUTPUT stages were NPN emitter followers with NPN current sources or resistive pull-downs, as shown in Figure 1.6.
该电路由一集成运算放大器及多端输出的双极晶体管电流镜构成。
The circuit is constructed by a operational amplifier and bipolar transistor current mirrors with multiple outputs.
单电源,低功耗,高输出电流反馈放大器。
Single Supply, Low-Power, High Output, Current Feedback Amplifier.
从恒流源内阻和形成输出电流误差两个方面,给出用运算放大器构成压控恒流源的分析结果。
Typical analysis of the constant-current resistance and the output current error, The writer gives the analysing process by means of operational amplifier.
的HA- 5002是一款单片,宽带,高转换率,高输出电流,缓冲放大器。
The HA-5002 is a monolithic, wideband, high slew rate, high output current, buffer amplifier.
如果输出电压大于预定的电压电平,则跨导放大器产生使过电压标志置位的电流。
If the output voltage is less than the predetermined voltage level, a transconductance amplifier generates a current that sets an overload flag.
例如当一个互导放大器提供一输出电流i0到负载电阻RL,而全部网络给出电压增益为VL/Vi时,就可出现这种情况。
This situation can arise, for example, when a transconductance amplifier feeds an output current i0 to a load resistor RL, but the overall circuit is considered to give a voltage gain VL/Vi.
本文介绍了电流反馈放大器(CFA)的基本原理,用四个CFA和几个电阻、电容设计了一种三输入单输出的新的通用滤波器。
The fundamental of current feedback amplifiers(CFA) has been introduced. A new universal filter with three inputs and single output using four CFAs and a few of resistors and capacitors is presented.
增加放大器地输入信号会导致输出到阀电磁铁的电流相应的增加。
Increasing the input signal to the amplifier results in a corresponding increase in output current to the valve solenoid.
由偏置在AB类的电流驱动的共源放大器构成输出级;
A current-driven common source amplifier which is biased on class AB constitute the output stage.
若考虑伺服放大器效率及电源功率等因素,伺服放大器电源电压应取额定输出电流所对应的伺服放大器输出电压的3倍左右为宜。
If the efficiency of servo amplifier is considered, it is practicable that the power supply voltage is about 3 times as large as the servo amplifier output voltage corresponding to rated current.
完成启动后,放大器很低的输出阻抗将会降低因流经R1的电流不足以影响稳压管上的电压稳定性。
After start-up, the low amplifier output impedance reduces reference current variations due to the current through R1.
通过讨论输入失调电流对集成运算放大器输出的影响,推导出集成运算放大器外围阻抗的最佳取值关系。
After discussing how the input offset current influences the output of operational amplifier, the optimal relationship between peripheral impedance is obtained.
采用V 的COM放大器的额定60mA的连续输出电流和200mA的峰值。
The V COM amplifiers are rated for 60mA continuous output current and 200mA peak.
提出采用超前校正和负反馈校正提高电流放大器输出电流响应速度方法。
Two kinds of methods such as lead net rectification and negative feedback rectification are proposed, which can increase the output current speed of the current amplifier.
放大器地输出(电流)由输入信号控制,所有零输入信号,电流输出也是零。
The output of the amplifier (electrical current) is controlled by the input signal so with zero input the output current is also zero.
放大器地输出(电流)由输入信号控制,所有零输入信号,电流输出也是零。
The output of the amplifier (electrical current) is controlled by the input signal so with zero input the output current is also zero.
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