output impedance

简明释义

输出阻抗

英英释义

例句

1.The amplifier's output impedance 输出阻抗 should match the speaker's impedance for optimal performance.

放大器的输出阻抗 输出阻抗 应与扬声器的阻抗匹配，以获得最佳性能。

2.An operational amplifier typically has a very low output impedance 输出阻抗 to ensure high current delivery.

运算放大器通常具有非常低的输出阻抗 输出阻抗 以确保高电流输出。

3.The output impedance 输出阻抗 of this sensor affects its compatibility with the data acquisition system.

该传感器的输出阻抗 输出阻抗 影响其与数据采集系统的兼容性。

4.A low output impedance 输出阻抗 is crucial for driving heavy loads efficiently.

低输出阻抗 输出阻抗 对于有效驱动重负载至关重要。

5.When designing circuits, consider the output impedance 输出阻抗 to avoid signal distortion.

在设计电路时，考虑输出阻抗 输出阻抗 以避免信号失真。

作文

In the world of electronics, understanding the concept of output impedance is crucial for designing effective circuits. The term output impedance refers to the measure of how much a circuit resists the flow of current when it is delivering power to a load. This characteristic plays a vital role in determining how well a circuit can drive its connected devices, such as speakers or sensors.When designing an amplifier, for instance, engineers must consider the output impedance of the device. A low output impedance is generally desirable because it allows the amplifier to deliver more power to the load without significant voltage drop. This is particularly important in audio applications where the quality of sound is paramount. If the output impedance is too high, the amplifier may not be able to effectively drive the speakers, resulting in distortion or reduced volume.Additionally, the output impedance can affect the overall performance of a circuit in terms of signal integrity. When the output impedance matches the input impedance of the load, maximum power transfer occurs. This principle is known as impedance matching. For example, in radio frequency applications, achieving a proper match between the transmitter's output impedance and the antenna's input impedance is essential for efficient transmission of signals. Failure to do so can lead to signal loss and decreased performance.Moreover, the output impedance is not a fixed value; it can vary with frequency and other factors. Hence, engineers often use techniques such as feedback to stabilize the output impedance across a range of operating conditions. By employing negative feedback in an amplifier design, the output impedance can be lowered, leading to improved performance and reliability.In summary, the concept of output impedance is integral to the design and functionality of electronic circuits. It influences how effectively a device can drive a load, affects signal integrity, and can vary under different conditions. Understanding and managing output impedance is essential for engineers to create high-performance electronic systems that meet the demands of modern technology. As we continue to innovate in the field of electronics, a solid grasp of output impedance will remain a fundamental aspect of circuit design and analysis.

在电子学领域，理解输出阻抗的概念对于设计有效的电路至关重要。术语输出阻抗指的是电路在向负载提供功率时对电流流动的抵抗程度。这一特性在确定电路能多好地驱动其连接设备（如扬声器或传感器）方面发挥着重要作用。例如，在设计放大器时，工程师必须考虑设备的输出阻抗。通常，低输出阻抗是可取的，因为它允许放大器在没有显著电压下降的情况下向负载提供更多功率。这在音频应用中特别重要，因为音质至关重要。如果输出阻抗过高，放大器可能无法有效驱动扬声器，从而导致失真或音量降低。此外，输出阻抗还会影响电路的整体性能，特别是在信号完整性方面。当输出阻抗与负载的输入阻抗匹配时，最大功率转移发生。这一原理被称为阻抗匹配。例如，在射频应用中，实现发射机的输出阻抗与天线的输入阻抗之间的适当匹配对于信号的有效传输至关重要。如果未能做到这一点，可能会导致信号损失和性能下降。此外，输出阻抗并不是一个固定值；它可以随频率和其他因素而变化。因此，工程师通常使用诸如反馈等技术来稳定输出阻抗在一系列工作条件下的表现。通过在放大器设计中采用负反馈，可以降低输出阻抗，从而提高性能和可靠性。总之，输出阻抗的概念对于电子电路的设计和功能至关重要。它影响设备驱动负载的有效性、信号完整性，并且在不同条件下可能会变化。理解和管理输出阻抗是工程师创建高性能电子系统以满足现代技术需求的关键。随着我们在电子领域的不断创新，牢固掌握输出阻抗将始终是电路设计和分析的基本方面。