The picture is a curve chart of MMBT3904. There are 4 questions as follows:
1. What does the "Base-Emitter Saturation Voltage" in the figure mean? How is it different from the base-emitter voltage dro...
In a single-ended flyback switching power supply, the primary input of the transformer is a DC voltage, and the secondary output is also a DC voltage.
How is the input DC converted into AC through the...
Figure 1 is the circuit in use, but because the external input terminal is in high impedance state when there is no input, it is sometimes unstable. I want to connect a 50K resistor directly between p...
For those who like to use KiCad, the new version Kicad5.1.6 is released
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Live broadcast time : October 20, 2020 (Tuesday) 10:00-11:30 amLive broadcast topic : Flyback isolated power supply design without optocouplerLive broadcast intr...
According to Nikkei Chinese, Mitsubishi Gas Chemical will build a new semiconductor cleaning liquid factory in China. This product is used to remove tiny impurities in the production process of semic...[Details]
Strategy Analytics' latest research report points out that Amazon's powerful ecosystem, low retail prices, updated product portfolio and Prime Day promotions in July have driven Amazon's tablet sales...[Details]
"In the past few years, Chinese panel manufacturers have been actively developing OLED, but now they have also recognized the development potential of Micro LED technology and have begun to transfer ...[Details]
Abstract: Traditional medical electronic devices do not have wireless functions and cannot achieve medical monitoring anytime and anywhere. This paper proposes a routing protocol based on IPV6 for ...[Details]
Morse Microelectronics Launches Wi-Fi CERTIFIED HaLow™ Platform and Industry’s First 8MHz Reference Design The new Wi-Fi HaLow™ certified solution will bring innovation to a wide range of low-power...[Details]
BIOPAC Systems, Inc. has announced a new eye tracking integration for researchers who want to conduct experiments with mobile participants in various locations. ETVision (EYE-ETV) eye-tracking glasse...[Details]
There are many fixed voltage switch mode power supplies (SMPS) available today, and several of these can be connected in series to achieve higher fixed voltages. To get an adjustable output from an...[Details]
Working principle of variable frequency motor
When it comes to the construction principle of variable frequency motors, it is simply the combination of motors and frequency converters. Through...[Details]
In 2020, the market size of the smart home industry will exceed 200 billion yuan. Smart homes have finally begun to move from concepts to thousands of households. It can be said that there are no sma...[Details]
On April
1, the four-day 2023 ITES Shenzhen Industrial Exhibition ended at the Shenzhen International Convention and Exhibition Center, with more than 1,300 companies appearing at the exhib...[Details]
Pointers
Cx51 supports the use of the character * to declare a pointer type variable. Cx51 pointers can perform all the functions of standard C. However, due to the special architecture of 8051 and i...[Details]
Abstract: LCD display and touch screen control are added to the wireless spread spectrum communication platform with DSP and FPGA as the core, thereby enabling the editing and wireless transmissi...[Details]
Detailed explanation of the manufacturing process of crystalline silicon solar cells
The manufacturing process of crystalline silicon solar cells is described as follows:
...[Details]
1 Introduction
With the development of ultra-large-scale integrated circuit technology, it has become a reality to integrate millions or even hundreds of millions of transistors on a chip. Now, c...[Details]
High-voltage soft start cabinet is a device used for high-voltage motor starting. Its main function is to reduce the current impact when the motor starts and extend the service life of the motor. T...[Details]