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Digital Electronic Circuit Articles


1: Applications M68HC908LJ12 single-phase multi-rate watt-hour meter designed to
1 Introduction With the rapid development of the national economy and people's rising living standards, electricity will be more striking. In 1995, China's full implementation of the TOU, by using the multi-rate watt-hour meter to facilitat...

2: TC35-type short message transceiver module in the gas monitor of
1 Introduction CO gas concentration monitor is used to measure CO in ambient air-related content in a portable intelligent instruments. At present, the domestic CO Gas Monitor and Control Center, the most common data communication through the CAN b...

3: LabVIEW development platform based on the design of the sound energy
Introduction Voice signals is that people communicate and exchange key media. Voice has the double property, one voice has the semantic function; the other hand, voice, after all, a voice, which is produced by the human mind through a set of ideas ...

4: LabVIEW development platform based on the design of the sound energy
Introduction Voice signals is that people communicate and exchange key media. Voice has the double property, one voice has the semantic function; the other hand, voice, after all, a voice, which is produced by the human mind through a set of ideas ...

5: Based on Labwindows / CVI Real-time optical network and the SBS Design of Virtual Oscilloscope
With the development of computer hardware and software technology continues to improve, virtual instrument technology has become key technologies in the field of measurement and control. The remote monitoring and control and simulation, the virtual ...

6: Non-compressed digital video transmission system design
Introduction Now, the international community for a variety of algorithms for digital video transmission standard has been a lot, but video compression will bring different levels of loss, when the compression is high and (low data transfer rate), ...

7: Dam safety monitoring UC7420 use of technical solutions
With scientific and technological development, people continue to turn our gaze to the realization of integrated automation of water conservancy, this new subject has been widely studied, a small number of integrated automation reservoir after many ...

8: Multimedia visual reversing Terminal Design and Implementation of Distance
Introduction At present, the reverse has developed two new technologies: ultrasonic distance measurement and a rearview camera. Reversing radar and a rearview camera have their own advantages and disadvantages, the former has to determine the exac...

9: LabVIEW RT based on a custom process measurement and control system
Introduction In the current measurement and control field, for each of the different objects have been monitoring and control, in the structures of their measurement and control systems will require targeted experiments to identify a separate monit...

10: High-Precision Automatic Weighing System Design
Introduction Automatic Weighing Systems mission is to host from time to time, or under the control of precisely weighing the added weight of the object will be displayed on its LCD screen, and transmitted to the host via the serial interface. In or...

11: Pre-design of zero-crossing detector
Relay is used to tone generator with the telephone line connected or disconnected. However, if the two are at different potentials, it will connect instantly with high transient currents, which can cause contact arcing and pitting, leading to relay ...

12: CML offers ultra-low power wireless micro-ADM Voice Codec
CMX649 is an innovative Adaptive Delta Modulation (ADM) voice codec - in a tiny SOIC package inside a complete multi-mode solution. CMX649 for both consumer and industrial applications of wireless digital voice / audio communications, such as cordle...

13: Multi-function Energy Meter Reference Design MAXQ3120
Why use a meter The current structure of commonly used mechanical meters have been in existence for about a century. In the meantime, it is recorded accurately and reliably power, so power companies can accurately to customers free of charge. Rotat...

14: Tax AT45DB161 in Application Developer
Introduction Tax control equipment is the state taxation department, the implementation of tax management information means of the inevitable, Tax Tax equipment as one device, it is in the computer and other electronic equipment under the tax funct...

15: MC9S12DG128 in the automotive high-speed CAN network
In modern cars, automotive electrical equipment for motor vehicles with the performance requirements of various aspects of continuous improvement is also gradually increased, from motor control drive system control, from the driving, braking, steeri...

16: Multi-voltage system monitor
Increasing component density and a lower speed processor core voltage, thus, multi-voltage system came into being. The first multi-voltage system is used for the logic of power and nuclear power dual-voltage monitor. And then the third way to increa...

17: HT7500 chip digital thermometer and its application
1 Overview ht7500 is a company holtek used to measure the body temperature thermometer cmos digital ic. ht7500 using adapter (bonding) options can be determined at (℃) or F () temperature, and lcd display driver. At the same time, the thermometer...

18: Chinese characters based on 51 single-chip LCD intelligent display module design
Introduction In the electronic product design, human-machine interface is essential for interactive display, the current liquid crystal displays in general are used in paragraph-style strokes, can only show a small number of figures and characters,...

19: MB1504 with PS1008 and pager signal-made multi-function instrument
1 Introduction Instrument commonly known as multi-functional pager pager signal codec made it as an important maintenance debug pager equipment, pager for the maintenance, testing, changing frequency are required. However, its market price is more ...

20: Multi-function electronic energy meter Design and Implementation
In this paper, multi-function electronic energy meter design, hardware design and software technology the key to the design process. And the NEC single-chip μPD78F0338 for example, have achieved a rate of four, six and two sets of rates load curve ...


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