The previous post [url=https://en.eeworld.com/bbs/thread-1061487-1-1.html]PWM Analysis and Use (Part 1)[/url] analyzed the official PWM routine. In this post, we will modify the routine. Open the cysc...
Author: Joshua Zhu, ST engineer
Click to download the pdf document:Keywords: S2-LP, sub 1GHZQuestion: Some customers have reported that some boards cannot work properly after waking up. The schematic ...
The main features, functions and structure of the TMC2310 chip are understood, and the circuit principle block diagram and software design process of the underwater acoustic signal processing system u...
Pulse Width Modulation (PWM) is a common method to generate analog voltages from digital devices such as microcontrollers or FPGAs. Most microcontrollers have built-in dedicated PWM generation periphe...
As shown in the figure, the yellow is the input signal, and the blue is the output signal amplified 100 times. [color=#ff0000]Why is the peak value of the output signal fluctuating? [/color] The op am...
Common emitter circuit, when the V1 power supply (5V) is not enough to provide the transistor collector, Ic
"When V1 is 5V, how do you calculate the current at the b pole?" Of course you can calculate...
Recently, IDT, a supplier of leading mixed-signal semiconductor solutions with superior technologies in analog and digital fields, launched a new power management solution, IDTP9145. Arman Naghavi,...[Details]
Like a scene from a James Bond movie, a newly hacked USB cable plugged into a computer can allow an attacker to execute commands over WiFi as if they were using a computer keyboard. When this special...[Details]
The task of the rectifier
circuit
is to use the unidirectional conductivity of the diode to convert the positive and negative alternating 50Hz grid voltage into a unidirectional pulsating D...[Details]
1. What is the pointer of a microcontroller? The microcontroller pointer refers to the memory address of the storage area where a certain variable or data is located. 2. What is the function of the m...[Details]
Voltage - Higher supply voltage means greater voltage swings and more emissions, while lower supply voltage affects sensitivity. Frequency - High frequencies produce more emissions, and periodic sign...[Details]
From the previous analysis, it is known that the dynamic performance of the BJT inverter with a resistive load is not ideal. Under the premise of keeping the logical function unchanged, several compon...[Details]
Bit operation application tips: To clear a bit, use AND. To set a bit, use OR. If you want to invert or swap, just use XOR! Key points of shift operation 1 They are both binary operators, both...[Details]
Many of the inspirations for human inventions come from some animals in nature, such as the inspiration for airplanes comes from flying animals, and the invention of radar was inspired by bats, etc...[Details]
At present, most audio signal processors are not only large in size but also expensive, and are difficult to be popularized in some special aspects. Embedded system analyzers are small and re...[Details]
Overview
Since the first radio waves were transmitted, engineers have continued to invent new ways to optimize electromagnetic microwave signals. RF signals have been widely used in many appli...[Details]
Shanghai is the place with the largest number of plug-in hybrid vehicles in China. The four typical categories highlighted in the "2019 Shanghai New Energy Vehicle Big Data Research Report" are perso...[Details]
The PHY1066 is an active equalizer and retiming active driver with programmable pre-emphasis designed for 10Gbps copper cable and backplane applications. The low latency chip is also ideal for laten...[Details]
This article will introduce the mechanism, characteristics and application materials of epoxy resin encapsulation plastic powder, hoping to help IC packaging engineers in selecting materials and ...[Details]
On April 25, Jiangsu Jiejie Microelectronics Co., Ltd. issued an announcement stating that the board of directors meeting agreed that the company would build a "high-end power semiconductor industria...[Details]
As climate change becomes increasingly serious, humans must take strong measures to significantly reduce carbon emissions. Under the new legislative and policy framework, the automotive industry is...[Details]