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Meterage Articles


1: Unknown PC-based serial communication baud rate detection
With the increasing popularity of computer applications, information and computer terminals to interact more and more, which is a serial communication between computer terminals and the main means of communication. Under normal circumstances, the re...

2: GMR sensor array-based detection of biological
0 Introduction Biosensor research has tremendous applications in recent years, with the discovery of the phenomenon of electron spin, a combination of semiconductor microelectronics prepared GMR technology equipment, in the field of biological test...

3: Reconfigurable Virtual Instrumentation Measurement Technology Teaching Platform
1 Introduction Testing technology is the engineering of our professional colleges and universities based on the professional classes, with different courses, professional content and a slight name change, such as testing technology, testing technol...

4: The Boeing Company to use NI's PXI hardware and LabVIEW software platform
Author (s): James Underbrink - Boeing Aero / Noise / Propulsion Laboratory Industry: Aerospace / Avionics Products: PXI / CompactPCI, LabVIEW The Challenge: Create a scalable cost-effective system to test the effectiveness of the new design, ...

5: Four-channel Oscilloscope RIGOL DS1000B series
Many areas of measurement are used to measuring multi-channel oscilloscope at the same time demand signals, such as multi-channel analog signal testing, testing time-dependent signal, digital signal timing relationship between the surveying. At pres...

6: High-precision solutions for field test WiMAX/3G
Of RF and microwave systems, the spectral analysis is a basic test. However, before engineers, including WiMAX and 3G wireless communication systems, such as on-site tests, need to carry dozens of kilograms of the spectrum analyzer, such as road sid...

7: Based on high-speed parallel A / D conversion of the z scanning laser pulse of high-frequency signal amplitude measurement system design
O INTRODUCTION Z scan is a measurement used in non-linear optical methods, this method can measure the refractive index of nonlinear optical materials, size, plus or minus, as well as non-linear absorption coefficient. Optical materials because the...

8: Scan-based fault diagnosis of integrated circuit technology
O INTRODUCTION The ordinary meaning of the integrated circuit testing, only to impose the test circuit under test to determine whether there is failure, not on the fault location, fault type to determine clearly the root causes of failure. With the...

9: Taiwan group turbot UPS battery monitoring technology
A, UPS battery to maintain the importance of UPS power supply is the driving force for enterprise data centers to ensure to ensure the continuity of the power supply and security, time plays an important role in security. UPS battery is an importan...

10: C8051F005 MCU-based low resistance tester
1, Introduction Testing process in the circuit will encounter often overlooked as a result of the impact of some small resistance caused by the experimental data with the theoretical value of the error between the larger, thus affecting test result...

11: Oscilloscope and logic analyzer comparison
In the field of electronic test, oscilloscope is one of the first test equipment, originated from the principle of radar to scan the signal waveform acquisition and reproduction, from the traditional analog signal and analog circuits on a test basis...

12: ARM-based characteristics of the detector design and implementation of measurement
1 Introduction Oil is the industry's life. As a high-quality energy and chemical raw materials, oil industry, more and more in the modern attention. As China's sustained economic development and people's living standards, demand for oil...

13: The work of the FPGA and PCB real-time welding connection failure detection
Problem description: 81% of the electronic systems in the use of FPGA, including many commercial products and defense products, and most of FPGA using a BGA package. BGA package is characterized by a small ball of welding and welding of small diame...

14: Capacitor detection method based on knowledge and
First, the basic knowledge Energy storage capacitor is a component in the circuit for tuning, filtering, coupling, bypass, energy conversion and delay. Capacitor is usually called the capacitance. Its structure can be divided into fixed capacitors...

15: Direct digital synthesizer technology of the three programs
In 1971, the American scholar J. Tierney, who wrote "A Digital Frequency Synthesizer" - the first time put forward the text to all-digital technology, from concept phase direct synthesis of waveforms required to as a new principle. Was lim...

16: NI data acquisition module based on the logging data acquisition and control system design
Application areas: research and development Products: PCI-6070E; PCI-6024E; PCI-6534; PCI-6533; PCI-6602; PCI-6601; Measurement Studio 6.0; Challenge: the use of standard industrial data acquisition product design and development of oil well loggi...

17: Common-mode rejection and instrumentation amplifier
1 Introduction In industrial applications, the common-mode voltage is a regular threat. Usually measured with a large common-mode component of the weak differential mode signal. These long-range signal and the internal grid 50Hz/60Hz inherent inter...

18: Crystal detector circuit
As shown by the principle of VTl, consisting of crystalD sJ-type high-frequency crystal oscillator. When the crystal sJT access through the provision of sJT Crystal - VTl positive feedback loop to the base, vTl from vibration, oscillation of the wea...

19: Array ultrasound signal acquisition and processing system
Ultrasonic Phased Array technology in medical and industrial non-destructive testing has a broad application prospects in recent years, very extensive research. This article describes the computer-based linear array of ultrasonic signal acquisition ...

20: DFT test coverage to improve the design of an effective method
Modern large-scale integrated circuits along with the rapid development of manufacturing technology, design engineers need to face the chip manufacturing process of the physical defects that may arise. Today's popular design for testability (DFT...


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