Introduction: ADI's bottom-port MEMS microphone is a high-performance acoustic sensor that can provide an extended broadband frequency response. . ....
I am currently using a vxworks platform with a powerpc MPC8248 CPU. In my bootrom program, RAM_LOW_ADRS and RAM_HIGH_ADRS were set to 0x00010000 and 0x01e00000 respectively. Now my vxworks image is to...
Do you remember that a month ago, I asked a question about CAN-BUS learning here. A whole month has passed. Now I have mastered the principles of BASSIC CAN and PELI CAN, and successfully debugged the...
Structure byte alignment problem 2008-04-29 14:40 When the alignment is 4, struct BBB { long num； char *name; short int data; char ha; short ba[5]; }*p; p=0x1000000; p+0x200=____; (Ulong)p+0x200=____;...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[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]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
Test/Measurement
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