A typical voltage-to-frequency converter is also called a VCO (voltage-controlled oscillator), where the input voltage of the IC has a simple regulation characteristic on the output frequency. Its gen...
How do you choose whether to use a 4-layer board or a 2-layer board? How do you choose whether to use a 4-layer board or a 2-layer board when doing PCB design? Is there any basis? EMC issues? The comp...
Thank you, wife.In the past four years, our family has improved financially, and we no longer have to be timid about daily expenses, but our relationship has not improved as the days go by. I miss the...
A netizen broke the news: a company employee resigned and the employee brought a large amount of explosives and blew up a floor of the company. The scene was filled with smoke, like a battlefield:The ...
The winning results of the building grab are as follows:
A total of 105 floors were generated during the event, so 105 was used as the base number.First is the building grabbing awardpercentage
Corres...
P_PIN1, P_PIN3, and P_PIN5 input 3-way PWM square wave, and then output P2 (under the electrode) and P3 (on the electrode) AC voltage. Now I don't know the relationship between the 3-way PWM input and...
Recently, GPD announced the new XP PLUS Android handheld on Twitter. Officials said that the handheld was originally planned to be equipped with Qualcomm's handheld chip Snapdragon G3x Gen1, bu...[Details]
Although the punch hole screen, bangs screen, water drop screen, etc. are all special-shaped screen designs, Samsung seems to still want to hide the screen hole as much as possible, and strive to pus...[Details]
WWDC 2020 (Worldwide Developers Conference) is Apple’s most important event in the first half of the year. Every year, WWDC releases extremely important consumer-grade hardware or software updates,...[Details]
With the continuous development of modern electronic technology, especially human-machine interface technology, touch buttons are increasingly widely used in electronic products and handheld inst...[Details]
With traditional instrumentation, approximately 40 important WLAN transceiver data points are acquired per test. The NI PXI vector signal transceiver is fast enough to perform a full gain table sweep,...[Details]
What kind of coding future are we pursuing?
Cloud
Imagine
Ubiquitous video penetration, explosive traffic growth, diverse scene technology requirements, users' "no compromise" ...[Details]
What does a 100Mbps download speed mean? What does a 50-times-faster-than-3G network mean? What does it mean to have more flexible communication methods, a wider spectrum, higher quality communication...[Details]
This article takes the STC12C5A60S2 series microcontroller as an example to introduce:
First, let's introduce the quasi-bidirectional port mode, which has a pull current of about 200mA. For example, ...[Details]
1. High temperature, high pressure and impact test:
Target: LED lamps (finished lamps including LED Driver)
Reference standard: Industry experience
Test Methods:
1. Place the five LED...[Details]
On December 10, Li Auto officially released OTA 5.0 and announced plans to launch full user push on December 19. Through three major software upgrades: intelligent driving (AD Max 3.0), intelligent s...[Details]
S3C2440 is actually a very good CPU, with low price, many internal resources, and most importantly, it is used by many people in China, so there is a lot of relevant information. ARM920T core, 400M ma...[Details]
This article introduces a battery automatic constant current charging circuit based on discrete components, focusing on the circuit composition, structural characteristics, working principle and ci...[Details]
In December 2021, Huawei's first vertical folding screen mobile phone P50 Pocket was released, with an initial selling price of 8,988 yuan. After the release of P50 Pocket, Chen Jin, general manage...[Details]
The mandatory provisions in GB50052-1995 "Design Specifications for Power Supply and Distribution Systems" stipulate: "For particularly important loads in the primary load, in addition to being po...[Details]
On November 3, the reporter learned from Panzhihua Urban Construction and Transportation (Group) Co., Ltd. that Panxi Financial Leasing (Shanghai) Co., Ltd. (hereinafter referred to as Rongzuo Company...[Details]