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...
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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...
On October 8, China Micro Corporation issued an announcement stating that in order to seize the development opportunities of the integrated circuit industry, the company plans to use 50 million yuan ...[Details]
Active computer speakers sold on the market are large in size, have a single function, and cost more than 100 yuan. Active speakers on computers do not have high requirements for sound quality and are...[Details]
With
the improvement
of
LED
luminous efficiency
and lifespan, coupled with the advantages of power saving,
energy saving
and environmental protection, the feasibility of LED ...[Details]
1 Special conditions of mobile base stations and requirements for communication power equipment
With the rapid development of mobile communications, the number of mobile base stations is incre...[Details]
Facebook told U.S. senators that the initial currencies backing its Libra cryptocurrency could include the U.S. dollar, euro, yen, pound sterling and Singapore dollar. Previously, a US congressman ...[Details]
High voltage output circuit
The figure shows a voltage polarity change circuit with 3V input and 22V output. When the input is 2V, the output current can reach 7MA. If it is changed to 5V input...[Details]
This is not the first time that Tesla has been hacked, and there is no lack of motivation to become famous in one battle. With every step forward in smart cars, digital risks will also increase simul...[Details]
The core Cortex-M3 processor of STM32 is a standardized microcontroller structure. I hope you will think about what standardization means. In short, the Cortex-M3 processor has a 32-bit CPU, a paralle...[Details]
Abstract: Through the analysis of the kinematic model of the soccer robot, taking into account the time-varying, nonlinear, and large interference characteristics of the system, a method combining ...[Details]
Abstract:
This paper mainly proposes a design scheme of a new tire pressure monitoring system (TPMS) based on a new wireless technology - ZigBee. In view of the low cost and low power consump...[Details]
Lithium-ion batteries used in electric vehicles and solar power systems will be the driving force behind the green revolution. Take the typical electric car, the Tesla Model S, for example, which ...[Details]
Samsung Electronics is counting on Europe to maintain growth momentum in its network equipment business as 5G rollout widens and industry leader China's Huawei Technologies Co Ltd focuses on its dome...[Details]
On the morning of May 24, Apple recently updated its product support documents, officially confirming the support of the HomePod series of products, AirPods series of headphones, and Apple TV s...[Details]
According to foreign media reports, Solidion Technology, a provider of advanced battery technology solutions, announced that its battery scientists have successfully developed a cost-effective stra...[Details]
Analog electronics
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