1. Experimental results All the lights are off. Then I press a button and the ()th light comes on. Then I press another button and the ()th light comes on. When I release the button, the light goes ou...
Correctly testing MLCC : https://training.eeworld.com.cn/course/4830Have you ever encountered a situation where your MLCC (multilayer ceramic capacitor) measurement value is either low or out of speci...
SigmaTel recently announced the acquisition of Apogee Technology's DDX (Direct Digital Amplification) technology, design team and intellectual property. Ron Edgerton, president and CEO of SigmaTel, sa...
Is there a chip solution with dual adjustable PWM frequency and duty cycle? Can it be controlled by two voltages, one to control the output frequency and the other to control the output PWM?...
Although the EEPROM program I wrote before can be simulated successfully, it cannot be used when burned into the microcontroller. It is undoubtedly a timing problem. Today, I corrected the timing and ...[Details]
The vivo X60 is the first to use Samsung's 5nm processor Exynos 1080, equipped with the second-generation micro-gimbal with Zeiss optical lenses, and a new-order two-color cloud-step design. It has m...[Details]
On April 22, Celestial Microelectronics, a leading domestic analog chip company, was officially listed on the Shanghai Stock Exchange Science and Technology Innovation Board. The company's stock code...[Details]
The limited bipolar control method adopted by the full-bridge inverter is to make the two switch tubes of one bridge arm, such as V1 and V3, work in PWM mode, and the two switch tubes v2 and V4 of ...[Details]
OMNIVISION, in conjunction with Xilinx MPSoC and Motovision IP, demonstrated a field proof-of-concept using the next-generation OX08B40 CMOS image sensor, achieving increased range and wider ...[Details]
BERLIN (Reuters) - Mobile communications equipment maker Ericsson on Wednesday reported a bigger-than-expected rise in first-quarter revenue and said it would see strong growth in North America as it...[Details]
On July 24, the Henan Provincial Development and Reform Commission issued the "Notice of the Henan Provincial Development and Reform Commission on the Implementation of the Second Batch of Source-Grid...[Details]
●At present and for a long time in the future, energy demand will continue to slow down, and people’s expectations for energy industry reform and demand for product diversification will be more urg...[Details]
1. DAC conversion principle and technical indicators 1. Resolution Resolution refers to the change in the output analog quantity (voltage or current) corresponding to the change in the l...[Details]
TDA7482 Typical Application Circuit
SGS-THOMSON has launched three monolithic Class D power amplifier ICs, namely TDA7480 (10W), TDA 7481C (18W) and TDA7482 (25W). This article takes the TDA7482...[Details]
The reporter learned from the State Grid today (4th) that as of now, all 9 ultra-high voltage transmission channels under construction have resumed work and are being accelerated. The annual invest...[Details]
Testing is an essential part of ensuring product quality. Manufacturers need more accurate, flexible and economical testing systems. The faster the industry develops and the more widely used the produ...[Details]
I feel that the programs I write every day are becoming more difficult, or maybe it's because I'm too impatient. I think some of the transitional programs in the book are too simple, so I just read t...[Details]
1. Introduction
The asynchronous serial port (SCI) embedded in TI's TMS320LF2407 DSP microcontroller supports digital communication between the CPU and other asynchronous peripherals using s...[Details]
Circuit principle: Although OOK modulation has poor performance, its circuit is simple, easy to implement, and stable in operation. Therefore, it has been widely used. Such circuits are almost ...[Details]
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