I would like to ask what does Ground plane removed under Vin- mean in this picture? Does it mean that V- should be separated when laying ground in PCB design? Why should it be separated?...
USB audio solution, USB sound card solution1. Product description
ATE1133 is a chip that includes an audio codec, a HIFI-level single microphone input, and a stereo headphone output solution. It integ...
Customers often ask us, because the terminal is used in a harsh environment and is basically constantly vibrating, what kind of LCD screen should be used for a long time in a vibrating environment?
Wh...
Welcome the New Year, everyone has a happy New Year~ I am here to report to the admin~ I started working today~ After the New Year, what new developments are there in the evaluation industry? Let's ta...
The NTC on the expansion board is connected to the A0 interface of the development board, which corresponds to the PA3 pin, the ADC of the 8th channel.
This time we use the ADC_MultiChannelSingleConve...
Introduction to ARM7 LPC2138
Philips' 32-bit ARM7 LPC2138 microcontroller has powerful storage space, embedded with 32 KB on-chip static RAM and 512KB Flash memory; it can realize in-system pro...[Details]
Scientists from the University of Alberta have developed a new diagnostic method that allows men to detect aggressive prostate cancer through a painless tissue biopsy. This test combines a unique nan...[Details]
UCSP package
UCSP is a packaging technology that eliminates the traditional plastic package of sealed integrated circuits (ICs) and directly solders the silicon die to the PCB, savi...[Details]
— Following previous collaboration to achieve 5G SA and mmWave data connectivity milestones, the two parties have achieved the latest achievements in promoting the rapid evolution of 5G — Last mo...[Details]
The function of terminal resistors is to eliminate signal reflections, but terminal resistors are not required in all situations. Sometimes, terminal resistors may affect signal quality. This article...[Details]
A model with the model number RMX2202 appeared in the database of the benchmarking website Geekbench. This phone is the realme GT 5G flagship phone to be released by realme. The phone runs Android 11...[Details]
Next, let's look at the consequences of accessing a valid address and writing to a prohibited address. The purpose of the first program is to store the two data 31H and 11H into two units of the ex...[Details]
If it is not properly maintained, even if it is a high-quality brand mobile power bank, its service life will be greatly affected, and it may even cause safety problems. So how to maintain a mobile...[Details]
TSMC's salary is indeed attractive. In the corporate social responsibility (CSR) report uploaded by TSMC yesterday (30), it was revealed that the median total salary last year was NT$1.81 million (Ne...[Details]
Due to the size and cost constraints of the microcontroller, the M4K core does not support standard functions such as instruction cache (I-cache) or data cache (D-cache). This article focuses on one ...[Details]
The mains over-voltage and under-voltage protector circuit consists of a voltage detection circuit and a control circuit, as shown in the figure:
The voltage detection circuit is composed ...[Details]
As the demand for switching power supplies for electronic products continues to grow, the power loss measurement and analysis of the next generation of switching power supplies is becoming increasi...[Details]
Recently, the team led by Academician Huang Ru and Professor Yang Yuchao from the School of Integrated Circuits at Peking University has made important progress in the research of deep reservoir comp...[Details]
Many battery-powered portable devices need to implement multiple power supply functions in a small space. For example, PDAs are powered by only one lithium battery, but they have multiple power suppl...[Details]
The mass production time of the low-priced version of Vision Pro has been postponed to after 2027 for some time.
Guo Mingchi said that this means that in 2025, Apple’s new head-mounted d...[Details]