The measurement quality and accuracy of a vector network analyzer are directly related to the calibration method used. In this webinar, Keysight will analyze different calibration methods and introduc...
[i=s]This post was last edited by Wang Xiangming on 2022-11-7 20:44[/i]When the RS485 bus is idle, the differential voltage on the line is guaranteed to be in a high level state to maintain trouble-fr...
I am using the stm32f407 board. J-link keeps reporting errors. I have modified the external crystal oscillator. The main program is also the simplest marquee program. There is no possibility of proble...
In last week’s report ( https://en.eeworld.com/bbs/thread-1179439-1-1.html ), the board was connected to the network and a simple performance test was performed. This week, we became more familiar wit...
[i=s]This post was last edited by sipower on 2019-1-16 14:38[/i] [align=left] [b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]sipower[/size]. If you need to reprint ...
Today, power users are faced with countless choices. The numerous performances of power products and the long product specifications of power suppliers make purchasing power a headache. Fortunately, t...[Details]
In actual use, the microphone or speaker has different degrees of rustling sound. The analysis of the voice module circuit shows that the audio output signal has noise. After analyzing the voice mo...[Details]
I strongly recommend a high quality and cost-effective UNI T UT61C automatic range digital multimeter. The following picture shows a model I bought eight years ago. The price was a bit expensive at t...[Details]
1. Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum an...[Details]
Almost all electrical engineering books have introduced that two wattmeters are a widely used method for measuring three-phase three-wire power. However, for power analyzers, we recommend the 3V3A wir...[Details]
/*This program is used to make the CCP1 module generate a PWM waveform with a resolution of 10 bits and a duty cycle of 50%*/
#include "p18f458.h"
/* Initialization subroutine of CCP1 mod...[Details]
0 Introduction
Large and medium-sized satellite stations all have corresponding and complete antenna tracking servo systems. The antenna servo tracking system determines the direction of the antenna...[Details]
At the Barcelona International Mobile Communications Exhibition in February this year, Arm and China Unicom signed the Pelion cooperation project and made their cooperation plan public for the first ...[Details]
According to news on June 19, well-known analyst Ming-Chi Kuo just issued an article stating that Apple will actively upgrade hardware product specifications to build a more competitive Vision Pro ec...[Details]
On September 5, 2020, the China Automotive Industry Development (TEDA) Forum was held in Tianjin Binhai New Area. The theme of this year's forum is "Dual Upgrade of Industry and Consumption to Recons...[Details]
After Google released the Pixel 6 series last week, which did not attract much attention, the official version of Android 12 was finally released. Unlike the Pixel 6, which has just been on sale, A...[Details]
In order to fully understand the development of electric vehicle charging infrastructure in Hainan Province and promote the effective implementation of national electric vehicle charging infrastruc...[Details]
From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]