impedance amplifier的例句大全

The instrument used for the measuring electrode is a high precise multi-channel system constructed with a Σ-AADC as the core, a high input impedance amplifier and a low input current multiplexer.

对于硫属玻璃电极，我们以高精度的∑-△ADC为核心，配以高输入阻抗低噪声的仪表放大器和低漏电流模拟开关构成了多路高精度电极测量系统。

One of the things about amplifiers that affects how they can drive a speaker system is the amplifier's output impedance.

输出阻抗是能够影响放大器如何推动扬声器系统工作的诸多因素之一。

Technically, the damping factor is the specified load impedance ( in use, that'd be the speaker system) divided by the amplifier's output impedance.

技术上，阻尼因子就是指定的负载阻抗（践中，也就是扬声器系统）以放大器的输出阻抗。

This is a low impedance discrete level control which sits between the preamp active circuitry and the input to your power amplifier.

这是一个位于前级有源电路和后级放大器输入端之间的低阻抗的音量控制。

This system uses the battery as supply power, and adopts instrumentation amplifier wtih high performance as preamplifier, so that we can improve the CMRR and input impedance, and decrease the line frequency noise effectively.

本系统由电池供电，采用高性能的仪表放大器进行前置放大，以提高共模抑制比和输入阻抗，有效抑制工频干扰。

By means of applied technology of IC operational amplifiers, digital to analog converter and single chip microcontroller, a programmable precision measuring differential amplifier with low noise, low drift, high input impedance and high common mode rejection ratio is developed and introduced.

介绍了一种由DAC电压衰减器作为集成运放反馈电路的低噪声、低漂移、高输入阻抗和高共模抑制比的可编程精密差动测量放大器。

new method illation of negative feedback amplifier input impedance

负反馈放大器输入阻抗的新法推导

For the traditional Doherty power amplifier, the current of the peaking amplifier could not get to the maximum allowable level that the load modulation of both amplifiers was unable to achieve the optimized impedance at the maximum output and resulted in the efficiency degeneration because its low bias.

对于传统Doherty放大器，由于峰值放大器偏置的原因使其在最大输出工作状态时，无法达到最大电流而导致两个放大器的输出端无法实现最佳负载调制，造成整体效率下降。

Analog front-end circuit consists of preamplifier, low pass filter circuit and back stage amplifier circuit, preamplifier circuit instrumentation amplifier is used because it has a high input impedance, high common mode rejection ratio ( CMRR), low noise, and low drift.

模拟前端电路由前置放大电路、高低通滤波电路和后级放大电路组成，前置放大电路用的是仪表放大器，因为它有高输入阻抗、高共模抑制比（CMRR）、低噪声、低漂移。

The four stages power amplifier is using tree type network for power combination. Four paralleled transistors are matched with load-pull impedance at the last stage for maxium output power.

功率放大器采用4级放大，树状功率合成网络，末级是4个晶体管并联并按负载牵引匹配，在单片上获得尽可能大的功率输出。

Two types of power amplifier for measuring speaker impedance curve were analysed.

摘要分析了2种应用于测量扬声器阻抗曲线的功率放大器.

Input Output Impedance Analysis of the Feed Back Amplifier by Using Signal Flowing Graph

用信号流图法分析反馈放大器的输入输出阻抗

damping factors can be quite high ; for instance, an amplifier with an output impedance of.

如果它逐步变大的话,那么阻抗源(放大器的输出阻抗)也就在逐步变低.