library ieee; use ieee.std_logic_1164.all; USE ieee.std_logic_unsigned.all; use ieee.std_logic_arith.all; entity vga isport(reset : in std_logic;clk : in std_logic;vga_hs_control : out std_logic;vga_v...
[backcolor=rgb(239, 245, 249)]I am a newbie and would like to ask you a question. I want to use TNY276 to make a power supply with 220v input and +5v +12v -12v output, single-ended flyback. The +5v ou...
Is there a mechanism similar to "PostThreadMessage" in Windows to send messages to tasks in vxworks? There is no need to create a message queue by yourself, just use the message queue of the vxwork ta...
The design and performance of the local oscillator (LO) has a significant impact on whether a mobile phone can meet or exceed the original design goals. Most CDMA mobile phones designed for the North ...
How can one host control the rotation of multiple optical transceivers? I tried to control the rotation of one optical transceiver with one host, but when connected in parallel, the rotation of anothe...
ARM Cortex-M0 Starts HereFor beginners, the selection of microcontrollers may be a headache. From 8-bit to 32-bit, there are many types of microcontrollers. The more common cores are 8051, AVR, PIC, A...
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
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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
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