[color=#000][font=宋体] [/font][/color]I saw this question on Sina Weibo this morning and shared it with you. [align=left][color=#000][font=宋体] Many college students have written to me, asking what elec...
This is the constant voltage at the back end of the LED driver. How do I change it to a constant current circuit? By the way, what is the function of the diode in this circuit?...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Combined with Samsung's ARM9 series embedded processor S3C2410, this paper explains how to perform modular programming of LCD driver and how to statically load the driver into the system kernel.
...[Details]
Talking
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