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1 IntroductionThis test guide is mainly used to guide customers to test the various RF indicators and corresponding power consumption indicators of the Wi-Fi development board corresponding to the GD3...
I really don't understand, is information leakage so serious nowadays? The APP is speechless. Even to play an online game or register a new character, you need your mobile phone number to verify, and ...
[align=center][/align] [size=4] [/size] [size=4]This post collects some winning works of the 2012 competition. All of them can be downloaded directly without any points[/color][/size][size=4]. [/size]...
Contents1 Compile the driver2 Compile the application test program3 Run the test1 Compile the driver
Just like the driver test program in the previous chapter, a Makefile is required, except that the ...
Generally, we use the crystal oscillator port of 103RC . Here, we want to use the internal clock HIS and use the port of 103RC as a basic GPIO port.OSC crystal port is multiplexed with GPIO PD0 PD1The...
As a communications engineer, especially one working on RF, how can I survive if I can’t quickly convert between dBm and W?Today we will introduce a classic oral calculation method that can convert dB...
This article explains the effects of DC bias supplies on operational amplifiers (op amps) used in sensitive analog applications. It also covers power supply sequencing and the effects of DC supplies ...[Details]
Preface How can we make the car cabin more functional and the engine more powerful while meeting the mileage per gallon requirements of various governments? Only by using a new generation of lo...[Details]
In the future, the energy-saving potential of high-efficiency motors will have a broader market. Generally speaking, the energy saving of speed-controlled motors must be achieved with the help of f...[Details]
For circuit designs that use complementary bipolar transistors , it is sometimes necessary to screen NPN and PNP transistors that match their DC gain (β). An example of such a circuit that requires ma...[Details]
1 Introduction Since the advent of the first light-emitting diode in the 1960s, LED has experienced more than 50 years of development. Although the luminous efficiency of LED is not high, its spectru...[Details]
Gallium nitride (GaN) is a hot topic in the power electronics industry because it enables designs such as the 80Plus Titanium power supply, 3.8kW/L electric vehicle (EV) onboard charger, and EV c...[Details]
1 Introduction
High-power
white LED,
as a semiconductor light source, has the characteristics of energy saving, long life, green environmental protection, low voltage and short swi...[Details]
The network graphics of the power system is the basis of power system analysis. Based on the experience of predecessors, this paper introduces the OOA model and design ideas of the object-oriented ...[Details]
This article takes a flyback switching power supply as an example to explain the generation and propagation mechanism of its conducted common-mode interference. Based on the idea of balancing the a...[Details]
1 Introduction 1.1 Application of digital power controller UCD3138 Digital power controller UCD3138 is usually placed on the secondary side of DC/DC power supply due to its good feedforward functi...[Details]
Generally, a low-frequency energy storage capacitor CB is required inside the single-stage PFC converter circuit to balance the instantaneous power input and output, and filter out the secon...[Details]
1. Adjustment points 1. Solder LM317 and LM337 and their associated voltage stabilizing components, add +55V and -55V voltages, adjust resistors Ra and Rb, and adjust the output voltage to +42.0V and...[Details]
The biggest difference between LED
lighting
fixtures and traditional lighting fixtures is
that
LED lighting
fixtures are completely electronic products, while ...[Details]
1 Introduction
Power metal-oxide-semiconductor field-effect transistors (MOSFETs), insulated gate bipolar transistors (IGBTs), and intelligent power modules (IPMs) are known as representativ...[Details]
As power levels increase and modern power systems become more complex, the demands on high-voltage systems have changed significantly. To effectively meet these demands, it is necessary to us...[Details]