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EDA/PLD Articles


81: Electronic product design stage of cost control
We are in the design process of electronic products are usually designed to carry out cost control circuit is always as simple as possible to reduce the components to try to simplify the installation process. These are directed at the general simpli...

82: Automatic routing to achieve high-performance PCB design techniques and elements
Although the EDA is now a very powerful tool, but with the requirements of PCB size is getting smaller and smaller, getting higher and higher density devices, PCB design is not a small degree of difficulty. How to achieve high PCB buton rate and sho...

83: To ensure that the circuit board signal integrity design criteria
Signal integrity (SI) problem is resolved sooner, the higher the efficiency of the design, which can be avoided in the circuit board design is completed after the termination device to increase. SI design and planning of a number of tools and resour...

84: Printed Circuit Board plating tank the size of the accounting method
Electroplating tank size and the average loading capacity of the cathode current density, current density, such as the size of the relationship between; In general the size of plating tank, plating tank refers to the volume of electrolyte L, also k...

85: PCB design notes
As an electronic engineer to design the circuit is a necessary hard work, but the principle of perfect design and then, if the circuit board design unreasonable performance will be adversely affected, not even serious work. In my experience, I concl...

86: Protel software in the high-frequency circuits in wiring techniques
Digital devices are moving towards high-speed, low power, small size, high anti-interference of the direction of development, the development trend of printed circuit board design a lot of new requirements. Protel software applications in China has ...

87: Complete next-generation board-level design tools-Protel 2004
PCB has many engineers are still using Protel99 or perhaps protel99se in their familiar editing environment PCB design, they have a great experience to protel99 or protel99se on a piece of great design PCB. However, sometimes they even do not believ...

88: With rapid design STATECAD finite state machine
Digital systems are generally classified as information-processing unit and control unit. Information on the main unit of the transmission of information and computing, and the control unit's main task is to control information processing unit o...

89: Collaborative multi-state machine design
With the rapid development of microelectronic technology, there is also demand for digital systems to improve [1]. Not only the function of the need for a sound, but also put forward a very high speed requirements. For most digital systems can be di...

90: Virtex5 high-performance FPGA-based pulse laser ranging system design
1 Introduction Traditional laser pulse time ranging system used by analog circuit detection threshold to achieve identification at all times. This method is relatively simple, but the impact of changes in pulse amplitude larger, and of very high si...

91: The Actel Fusion FPGA-based sensorless brushless motor controller
1 Introduction Brushless DC motor (BLDC) has a small size, no mechanical contacts, long life, the advantages of easy installation and have always been the application of hot motor. Basically, the current control of brushless motor Hall sensors are ...

92: FPGA-based 160-channel Data Acquisition System Design
l Introduction As science and technology and development of the national economy, the increasing power demand, power quality requirements of the increasingly high. This is the monitoring of power quality challenges. Power quality monitoring often r...

93: Digital Signature Algorithm SHA-1 of the FPGA to achieve high-speed
Introduction With the rapid development of the security needs of the more important. However, despite the fast progress of network technology, security is still relatively backward, and in many cases to rely on virtual private network VPN and firew...

94: FPGA device configuration online
Introduction   In today's changing market environment, the products are easy to upgrade the site, whether to facilitate flexibility in the use of the products entering the market as a key factor. In this context, Altera's SRAM LUT-bas...

95: Based on harmonic analysis of a new type of FPGA Design
Introduction With the energy-saving technologies and automation technologies, power electronic devices such as frequency conversion equipment, variable-flow devices, increasing capacity, increasing the number, so that the harmonic power grids have ...

96: FPGA-based high-frequency clock frequency and distribution of design
1 Introduction With the application systems to high-speed, low power consumption and low-voltage direction of the development of circuit design have become increasingly demanding  traditional integrated circuit design technology has been unable ...

97: CPLD in multi-channel high-speed synchronous data acquisition system
Introduction CPLD (Complex Programmable Logic Device, complex programmable logic device) is in the traditional PAL, GAL based on the growth would come with a variety of working methods and a high level of integration, high-speed, high reliability, ...

98: FPGA-based high-speed high-precision frequency measurement research
Introduction Technology in the electronic measurement, frequency measurement is one of the most basic measurements. Commonly used method of directly measuring frequency in a greater practical limitations, the measurement accuracy with the decline i...

99: Error detection and correction circuit design and implementation of
Introduction Comparison of electromagnetic environment in some extreme cases, some large-scale integrated circuits are often subject to interference, which could work. Such as the RAM in particular the use of bistable storage devices, tend to occur...

100: CPLD device in the time of the application of a uniform system
Introduction With the development of electronic technology, telemetry signals to the programmable frame structure, the integration of the increasingly high demand for a uniform system for the time the source code of the design of B tends to a high ...


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