51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Tuesday, March 31st, 2009 at 07:08 | No comments

Categories: Power Supply

Tags: Distributional, Power source

Short Content: Provides "the voltage is 5V along with distributional electrical power system (DPS) in the now telecommunication, the network and the calculating device appears, is day by day urgent to the highly effective power conversion's demand. This article has outlined the distributional power source construction tendency, introduced a highly effective DC-DC converter's example, and has provided the design equation, the schematic diagram and the performance result. First, distributional electrical power system's evolution and trend of developmentThe traditional power conversion system is ...

Tuesday, February 3rd, 2009 at 18:53 | No comments

Categories: Power Supply

Tags: accumulator cell, CAN main line, Distributional, DS18S20, intelligence node, Monolithic integrated circuit, SJA1000

Short Content: Abstract: This article elaborated based on CAN main line's accumulator cell intelligence supervisory system's realization, including the intelligent monitoring module's software and hardware structure, independent CAN the controller SJA1000 application, the digital single main line temperature detecting element, has given the series connection battery voltage examination one kind of feasible plan.Key word: Monolithic integrated circuit; CAN main line; SJA1000; DS18S20Introduction    Generally the power equipment can only carries on the survey to battery's whole output voltage and the electric current, cannot ...

Tuesday, October 28th, 2008 at 12:03 | No comments

Categories: Communication Networks

Tags: address dynamic disposition, Distributional, ethernet, IP, MAC

Short Content: Abstract: The distributional structure is widely applied in the core router and so on the large-scale system, the ethernet is in the distributional system between each subsystem the information transmission good platform. This article unifies the project practice, proposes in the distributional system interior ethernet the MAC address and the IP address one new dynamic collocation method. Proved through the practice that this method has the disposition nimbly, the nurse resources to buckle characteristics and so on easy large scale ...

Sunday, October 19th, 2008 at 09:37 | No comments

Categories: SCM

Tags: ARM, Distributional, IAP, RS485

Short Content: Picking   Wanting: This article based on the RS485 main line, as the core has constructed a distributional control system take ARM micro controller LPC2138, depended upon the ARM micro controller's formidable control handling ability and the rich peripheral device, has realized the intellectualized control and the greater degree system integration, in the article has given the partial circuit diagrams, elaborated the nonpolarity connection which and IAP in the system introduced (is applying the technology programmable).Key word: Distributional; RS485; ARM; IAP ...