differential amplifier

简明释义

差动放大器；微分放大器

英英释义

例句

1.The design of a differential amplifier 差分放大器 includes feedback loops to improve stability.

一个 差分放大器 differential amplifier 的设计包括反馈回路以改善稳定性。

2.The differential amplifier 差分放大器 is commonly used in audio equipment to enhance sound quality.

在音频设备中，差分放大器 differential amplifier 通常用于提高音质。

3.A differential amplifier 差分放大器 can be found in instrumentation systems for accurate measurements.

在仪器系统中可以找到 差分放大器 differential amplifier 以便进行精确测量。

4.In medical devices, a differential amplifier 差分放大器 can amplify the small signals from biological sensors.

在医疗设备中，差分放大器 differential amplifier 可以放大来自生物传感器的小信号。

5.Engineers often use a differential amplifier 差分放大器 to reduce noise in signal processing applications.

工程师们常常使用 差分放大器 differential amplifier 来减少信号处理应用中的噪声。

作文

In the realm of electronics, one of the most significant components is the differential amplifier. A differential amplifier is an electronic device that amplifies the difference between two input voltage signals while rejecting any signals that are common to both inputs. This unique property makes it invaluable in various applications, including audio processing, sensor signal conditioning, and communication systems.The basic operation of a differential amplifier relies on its ability to compare two input signals. For instance, when a small voltage difference exists between the two inputs, the differential amplifier boosts this difference to a higher output voltage. This amplification process is critical in situations where the desired signal is weak and may be overwhelmed by noise or interference. By focusing on the difference between the inputs, the differential amplifier enhances the signal-to-noise ratio, leading to clearer and more accurate outputs.One of the most common configurations of a differential amplifier is the operational amplifier (op-amp) setup. An op-amp can be configured as a differential amplifier using resistors to set the gain for each input. The gain determines how much the input voltage difference is amplified. This flexibility allows engineers to design circuits tailored to specific requirements, making the differential amplifier a versatile tool in electronic design.The applications of differential amplifiers are vast and varied. In medical instrumentation, for example, they are used in electrocardiograms (ECGs) to amplify the small electrical signals generated by the heart. The differential amplifier effectively isolates these signals from the larger noise produced by muscle movements or external electromagnetic interference. Similarly, in industrial settings, differential amplifiers are used to read sensor outputs, ensuring that the data collected is accurate and reliable.Moreover, the importance of differential amplifiers extends to audio technology. In microphone preamps, a differential amplifier can eliminate noise that may be picked up during sound capture, resulting in a cleaner audio signal. This function is particularly crucial in professional recording environments where clarity and fidelity are paramount.In summary, the differential amplifier is a fundamental component in modern electronics, serving as a critical building block in various applications. Its ability to amplify the difference between two signals while rejecting common noise makes it indispensable in fields ranging from medical devices to audio engineering. Understanding the principles and applications of the differential amplifier enables one to appreciate its role in enhancing signal integrity and accuracy in numerous technological advancements.

在电子学领域，最重要的组件之一是differential amplifier（差分放大器）。differential amplifier是一种电子设备，它放大两个输入电压信号之间的差异，同时抑制任何在两个输入中共同存在的信号。这种独特的特性使其在各种应用中不可或缺，包括音频处理、传感器信号调理和通信系统。differential amplifier的基本操作依赖于其比较两个输入信号的能力。例如，当两个输入之间存在微小的电压差时，differential amplifier会将这种差异增强为更高的输出电压。这一放大过程在期望信号微弱且可能被噪声或干扰淹没的情况下至关重要。通过关注输入之间的差异，differential amplifier提高了信噪比，从而导致更清晰、更准确的输出。differential amplifier最常见的配置之一是运算放大器（op-amp）设置。运算放大器可以通过使用电阻器来设置每个输入的增益，从而配置为differential amplifier。增益决定了输入电压差被放大的程度。这种灵活性使工程师能够设计出适合特定要求的电路，使differential amplifier成为电子设计中的多功能工具。differential amplifiers的应用广泛且多样化。例如，在医疗仪器中，它们用于心电图（ECG），以放大心脏产生的小电信号。differential amplifier有效地将这些信号与肌肉运动或外部电磁干扰产生的较大噪声隔离开来。同样，在工业环境中，differential amplifiers用于读取传感器输出，确保收集的数据准确可靠。此外，differential amplifiers的重要性还扩展到音频技术。在麦克风前置放大器中，differential amplifier可以消除在声音捕获过程中可能拾取的噪声，从而产生更干净的音频信号。这一功能在专业录音环境中尤为重要，因为清晰度和保真度至关重要。总之，differential amplifier是现代电子学中的基本组件，在各种应用中作为关键构建块。它放大两个信号之间的差异，同时抑制共同噪声，使其在从医疗设备到音频工程等领域中不可或缺。理解differential amplifier的原理和应用使人们能够欣赏其在增强众多技术进步中信号完整性和准确性方面的作用。