Several concepts:Power sensitivity (dBm dBmV dBuV)dBm=10log(Pout/1mW), where Pout is the power value in mW dBmV=20log(Vout /1mV), where Vout is the voltage value in mV dBuV=20log(Vout /1uV), where Vou...
[i=s] This post was last edited by hlwhlw on 2014-9-28 13:31 [/i] [b][size=5] Recently, eeworld forum has launched another activity to apply for TI samples for free! It is a great activity that can no...
Today, I encountered a problem when using a CF card to load a vxWorks image over the network, as follows: 0xe66d9dc(tShell):dosFsLib.c:ERROR reading the device boot sector 0xe66d9dc(tShell):dosFsLib.c...
Why does the following code run normally: OSIntCtxSw PUSH {R4, R5} LDR R4, =NVIC_INT_CTRL ; trigger the PendSV exception LDR R5, =NVIC_PENDSVSET STR R5, [R4] POP {R4, R5} BX LR NOP But if it is change...
I am a beginner. I want to make a communication program between PC (Windows) and ARM development board (Linux). The PC sends data to ARM development board, and when ARM development board receives the ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[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]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]