Dielectric filter is a microwave filter that uses dielectric resonant cavity through multi-stage coupling to achieve frequency selection. After entering the 21st century, dielectric filter has gradual...
I am testing a board made with RM48 chip. The boards use CAN communication. However, the ID of the msg can be received at the receiving end, but the content of the msg cannot be received. What is goin...
My teacher asked me to write an SCI initialization code. After reading the documentation of this chip, I still feel confused. It’s due the day after tomorrow and I’m so anxious... I still can’t figure...
I recently encountered such a circuit. The power supply on the left. The switch gives a pulsed closing signal. What is the signal at both ends of L2? I still can't figure it out. Is there something wr...
rt, I use LPCxpresso compiler. #define NO_CRP 0xFFFFFFFF #define NO_ISP_MAGIC 0x4E697370 #define CRP1_MAGIC 0x12345678 #define CRP2_MAGIC 0x87654321 /**** DANGER CRP3 WILL LOCK PART TO ALL READS and W...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
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