无线多媒体通信和计算市场的迅猛发展既对电源提出了越来越高的要求,同时也为电源以及电源管理IC市场的发展注入了一股强劲的增长动力。近几年来电源管理IC的市场规模和潜力一直处在急速膨胀之中。据美国风险发展公司(VDC)估计,2004年电源管理IC的销售收入将超过75亿美元,平均年增长速率将超过16%。电信和计算机将是其中增长最显著的两大应用领域。One of the major goals of po...
I have just learned 430. Relying on TI's routines and my own ideas, I wrote the following program. The function I want to achieve is: through serial port 1 receive interrupt, the data received by seri...
Windows, VC2008 After installing the driver, the current sound card will come with a sound card settings program. In this sound card settings program, there are various volume settings, which can be a...
The application range of pressure sensors is also very wide. They are used in many industries such as medical, industrial, aerospace, and construction. If the pressure sensor is in a high temperature ...
When DM6467 writes to 5147 through I2C bus, after DM6467 sends 2 bytes and 5147 responds, when it should be finished, the SCL clock is pulled low strangely and resumes to the next read operation, that...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]