Power amplifiers are usually optimized for ACPR and efficiency at maximum output power, but cellular phones operate in the medium/low power range in most cases, during which the efficiency of the powe...
Headhunting position [Shanghai] Job responsibilities: 1. Transplant core algorithms to embedded chip platforms to ensure consistency of algorithm effects; 2. Perform heterogeneous design of algorithms...
Under Linux, the access function is declared in the unistd.h file and is declared as follows:
int access(const char *pathname, int mode);The access function is used to determine whether the specified ...
[font=微软雅黑][size=14px][color=#333333]I found that [/color][/size][/font][size=14px][url=https://www.eeworld.com.cn/zt/Qorvo/]RF Technology Research Club[/url][/size][font=微软雅黑][size=14px][color=#33333...
I made a 18650 lithium battery charging circuit. The charger uses a 5V 2A mobile phone charger. A TP5100 is used as a lithium battery charging IC on the board. The circuit diagram is as follows. The c...
[size=4]There are three main alignment issues: variable alignment, structure alignment, and data alignment. The first two are variable mapping and structure layout determined by the compiler. The last...
Average selling prices for NAND memory and solid-state drives have been declining in recent quarters due to slowing demand and oversupply. But as more applications adopt SSDs, its unit and dollar sal...[Details]
1. S7-200 series
S7-200 is a small programmable controller, suitable for automation of detection, monitoring and control in various industries and occasions. The powerful functions of the S7-2...[Details]
On August 21, according to Galaxy Club, the battery model of Samsung Galaxy S21+ is EB-BG996ABY (the model of Galaxy S21+ is expected to be SM-G996). The battery has a rated capacity of 4660...[Details]
With the increase in the number of cars in China and the construction of the national highway network, the travel between cities is becoming more and more frequent. Driven by economic interests, the l...[Details]
LEDs have the advantages of energy saving and environmental protection, and have become a major trend in the development of the lighting industry. Since the technology and product properties used b...[Details]
That’s right, the automotive 12V lead-acid battery is on its way out.
Europe has mandated that
all new cars no longer use lead-acid batteries after 2030, creating a huge challenge for OEMs ...[Details]
Introduction To make up for the defects of single centralized power supply in large power grids, distributed generation, a new power generation method, has developed very rapidly. Distrib...[Details]
Toyota proposed the concept of a free piston engine linear generator (FPEG) at the 2014 Detroit International Automotive Engineering Symposium and recently demonstrated a prototype. Toyota said that ...[Details]
A: Star connection: As shown in Figure A above, the star connection of the motor is to connect one end of each phase winding to one point (U2, V2, W2), and their other ends are used as lead wires, ...[Details]
- As part of the application, the company provided significant data on hazardous incidents associated with electrical wiring installations. SKYX's ceiling socket platform enables lights, ceiling fans...[Details]
1. Introduction
With the development of RFID technology, car anti-theft devices are becoming more and more rigorous, complete and easy to use, and the development direction of car anti-theft is...[Details]
Suppose you are tasked with designing a monitor circuit for a new, battery-based power system. What strategies would you adopt to optimize the cost and manufacturability of the design? The initia...[Details]
The accelerometer of the elbow flowmeter is an electronic device that can measure acceleration force. Acceleration force is the force acting on an object when it is accelerating, that is, the earth'...[Details]
The ability to resist mains voltage disturbance (Line rejection) is also called audio signal attenuation rate or audio ripple attenuation rate (Audio-su-sceptibility), that is, the output-input (gr...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It controls various mechanical equipment through programming and has the charac...[Details]