screen grid voltage

简明释义

帘栅极电压

英英释义

例句

1.A high screen grid voltage 屏栅电压 can lead to increased distortion in the audio output.

高屏栅电压 screen grid voltage可能导致音频输出失真增加。

2.The technician measured the screen grid voltage 屏栅电压 to ensure optimal performance of the amplifier.

技术人员测量了屏栅电压 screen grid voltage以确保放大器的最佳性能。

3.The screen grid voltage 屏栅电压 should be monitored regularly during operation.

在操作过程中，应定期监控屏栅电压 screen grid voltage。

4.Ensure that the screen grid voltage 屏栅电压 is within the specified range to prevent damage to the circuit.

确保屏栅电压 screen grid voltage在规定范围内，以防止电路损坏。

5.Adjusting the screen grid voltage 屏栅电压 can significantly affect the output signal quality.

调整屏栅电压 screen grid voltage可以显著影响输出信号质量。

作文

In the realm of electronics, particularly in vacuum tube technology, the term screen grid voltage refers to a specific voltage applied to the screen grid of a vacuum tube. This component plays a crucial role in the amplification process by controlling the flow of electrons between the cathode and the anode. Understanding the significance of screen grid voltage is essential for anyone involved in designing or working with electronic circuits that utilize vacuum tubes.The screen grid is positioned between the control grid and the plate (anode) within a vacuum tube. Its primary function is to reduce the capacitance between the control grid and the plate, which allows for better control of the electron flow and thus enhances the overall performance of the tube. When a positive voltage is applied to the screen grid, it attracts more electrons from the cathode, increasing the current flowing to the anode. This results in a higher output signal, which is vital for audio amplification, radio transmission, and other applications.However, the application of screen grid voltage must be carefully managed. If the voltage is too high, it can lead to excessive current draw, potentially damaging the vacuum tube. Conversely, if the voltage is too low, the tube may not operate efficiently, leading to distortion in the output signal. Therefore, engineers must calculate the optimal screen grid voltage based on the specific requirements of their circuit design.In practical terms, the screen grid voltage is typically derived from the power supply used in the circuit. It is essential to ensure that this voltage remains stable and within the recommended range specified by the tube manufacturer. Variations in the screen grid voltage can significantly affect the performance of the vacuum tube, leading to issues such as reduced gain, increased distortion, and even complete failure of the tube.Moreover, the screen grid voltage interacts with other parameters of the vacuum tube, such as the control grid voltage and the plate voltage. Understanding these relationships is crucial for achieving the desired performance characteristics. For instance, a higher screen grid voltage can allow for greater control over the gain of the tube, making it possible to fine-tune the amplification for different applications.In conclusion, the concept of screen grid voltage is fundamental to the operation of vacuum tubes in electronic circuits. By carefully managing this voltage, engineers can optimize the performance of their designs, ensuring reliable and high-quality amplification. As technology continues to evolve, the principles surrounding screen grid voltage remain relevant, illustrating the enduring importance of vacuum tube technology in modern electronics. Whether in vintage audio equipment or contemporary radio transmitters, understanding and applying the correct screen grid voltage is key to achieving the best possible results in any electronic project.

在电子学领域，特别是在真空管技术中，术语屏栅电压指的是施加在真空管屏栅上的特定电压。该组件在放大过程中发挥着至关重要的作用，通过控制阴极和阳极之间的电子流动来实现。理解屏栅电压的重要性对于任何参与设计或使用真空管电子电路的人来说都是必不可少的。屏栅位于真空管的控制栅和板（阳极）之间。其主要功能是降低控制栅与阳极之间的电容，从而允许更好地控制电子流动，并增强管子的整体性能。当对屏栅施加正电压时，它会吸引更多来自阴极的电子，从而增加流向阳极的电流。这导致输出信号增大，这对于音频放大、无线电传输和其他应用至关重要。然而，屏栅电压的应用必须谨慎管理。如果电压过高，可能导致过大的电流消耗，从而损坏真空管。相反，如果电压过低，管子可能无法高效运行，导致输出信号失真。因此，工程师必须根据电路设计的特定要求计算最佳的屏栅电压。在实际操作中，屏栅电压通常源自电路中使用的电源。确保该电压保持稳定并在管子制造商规定的范围内至关重要。屏栅电压的变化会显著影响真空管的性能，导致增益降低、失真增加，甚至管子完全失效。此外，屏栅电压与真空管的其他参数（如控制栅电压和阳极电压）相互作用。理解这些关系对于实现所需的性能特征至关重要。例如，较高的屏栅电压可以允许对管子的增益进行更大的控制，使其能够针对不同的应用微调放大。总之，屏栅电压的概念是真空管在电子电路中运行的基础。通过仔细管理该电压，工程师可以优化设计的性能，确保可靠和高质量的放大。随着技术的不断发展，围绕屏栅电压的原理仍然相关，说明了真空管技术在现代电子学中的持久重要性。无论是在复古音频设备还是当代无线电发射机中，理解和应用正确的屏栅电压是实现任何电子项目最佳结果的关键。