As shown in Figure 1, the input of the op amp is 220VAC (there is a string of voltage-dropping resistors before R1 and R2 that are omitted)
The waveform measured at point A is indeed the same as the t
[i=s] This post was last edited by xld0932 on 2019-4-26 21:23 [/i] [size=3] The GD32E231 series chips are MCUs based on the ARM Cortex-M23 core designed based on the ARMv8-M baseline architecture. In
Job Responsibilities:
1. Develop a test plan, including the time and resource allocation for testing work;2. Test requirement design, determine the test scope, test objectives, test methods, etc.;3. T
Abstract: This paper describes in detail the measurement methods of harmonics, voltage fluctuations and flickers of electrical equipment and the key points of their related technical standards. Keywor
Power modules are used in many scenarios in life, such as communications, industrial automation, power control, railways, mining, military industry, etc. There are two types of DC power conversion mod