I would like to ask the following questions: 1. What is the function of the part composed of C1, C2 and R1 in the figure? 2. What is the function of transistors Q1 and Q2? Thank you!...
Another question: What kind of transistor is used to drive this relay? How to explain the words "１０A/28VDC, 5A/220VAC, DC5V" on it? It has no requirements for the pull-in current?...
I guess it's a firmware library problem again, as shown in the following figureAn error occurred when setting the channel according to the user manual. I would like to ask how to set the external inte...
The following figure shows the simulation schematic diagram and simulation waveform of the boost circuit, which is built using PSIM software. The inductor parameters are 4mH, the capacitor is 10uF, th...
[i=s]This post was last edited by qwqwqw2088 on 2018-7-26 08:24[/i] [size=4] At low frequencies, the impedance of circuit nodes in a system can vary greatly; this requires some circuit or experimental...
The current method is to directly connect the voltage to be sampled to the analog input of the microcontroller, so the measured voltage value fluctuates greatly. Let's see if anyone has any good solut...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
On August 21, WeRide officially launched WePilot AiDrive, a one-stage end-to-end assisted driving solution developed in cooperation with Bosch. This comes only half a year after the two parties' "t...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
Analog electronics
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