什么是示波器？

数字存储示波器 (DSO)：这是一种传统的数字示波器，专为低重复率或单次高速多通道设计应用打造。

数字荧光示波器 (DPO)：DPO 采用全新的示波器架构，与 DSO 不同，可实时提供 Z 轴（强度）信息。DPO 是适用于各种应用的最佳通用设计和故障诊断工具，它们经常被用于高级分析、通信屏蔽测试、间歇信号的数字调试、重复数字设计以及时序应用。

混合信号示波器 (MSO)：是一种 DSO，MSO 用于显示和比较模拟信号和数字信号。它凭借强大的数字触发功能、高分辨率数据采集能力以及分析工具，成为了快速调试数字电路的首选仪器。

混合域示波器 (MDO)：这些示波器不仅具备与混合信号示波器相同的功能，还额外提供了内置频谱分析仪，从而在模拟和数字功能的基础上，进一步增加了射频调试的能力。

数字采样示波器：对于需要分析超高速信号的应用，采样示波器通过支持超低抖动采集功能，提供抖动和噪声分析。对于重复信号，它能够提供比其他示波器高出 10 倍的带宽和高速定时。

阅读更多有关示波器类型和特性的信息，找到适合您应用的示波器。

如何选择最合适的示波器

在选择合适的示波器时，需要综合考虑多个因素，包括带宽、波形捕获率、采样率、上升时间、触发能力以及价格等。就像相机的快门速度、照明条件和光圈都会影响其清晰准确地捕捉图像的能力一样，示波器的性能考虑因素也会显著影响其获得所需信号完整性的能力。要进一步了解这些标准以及它们与您的应用之间的关系，请阅读我们关于如何评估示波器的深入探讨。

History of the oscilloscope

In 1897, a German physicist named Karl Ferdinand Braun invented a cathode ray tube and, along with it, the first oscilloscope, which was expanded upon decades later by the company A. C. Cossor. In 1934, the first commercial oscilloscope was released by General Radio, and it became the first to be used outside of a laboratory. And in 1946, Howard Vollum and Melvin Jack Murdock founded Tektronix, which has gone on to become a world leader oscilloscopes. Since then, Tek has continued releasing innovative new technologies, including the first digital oscilloscope in 1971 and the first oscilloscope-to-cloud software solution—TekDrive—in 2020. Oscilloscopes are a staple of any engineer’s bench and have even been featured in famous films throughout history. You can visit the Tek museum website to see a complete list of oscilloscopes in films.

Oscilloscope resources

Digital oscilloscopes are the key to helping engineers meet today's demanding measurement challenges. Tektronix is the world leader in oscilloscopes and offers a variety of oscilloscopes to meet the needs of even the most advanced applications. Shop oscilloscopes today or contact a Tektronix representative to request an oscilloscope demo.

Not ready to "pull the trigger”? Download our XYZs of Oscilloscopes primer to learn everything you need to know in order to choose and use the best oscilloscope for your application.