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

Tuesday, September 9th, 2008 at 21:12 | No comments

Categories: SCM

Tags: sunplus

Short Content: Introduction    Along with digital signal processing technology development, pronunciation interactive embedded and network development already day by day mature. But because the embedded system has the storage space to be small, demonstration ability is insufficient the characteristic, must carry on widespread and the thorough embedded pronunciation compression, the voice communication aspect research and the analysis, some voice communication platform which consummates with the PC machine connected Taiwan principle. This article based on Taiwan Ling Yang company's SPCE061A model micro controller ...

Friday, August 15th, 2008 at 06:08 | No comments

Categories: SCM

Tags: sunplus

Short Content: 1 introduction　　The frequency conversion power source is one kind of power source transforms the equipment, because has the output wave shape to be pure, the output voltage is stable, output frequency and output voltage adjustable and so on merits. Its good performance, in domains and so on sensing, instruments and meters, industrial control has the widespread application. This article main introduction (PS21865A) realizes the high performance three-phase frequency conversion power source's development using SPMC75F2413A and IPM.2 chip characteristic synopsis　　SPMC752413A is ...

Thursday, August 14th, 2008 at 10:14 | No comments

Categories: SCM

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Short Content: Email: fubin@ sunnorth.com.cn Abstract: This application example uses SPMC75F2313A and general LIN Bus transceiver TJA1020 (or ATA6661) realizes LIN (Local Interconnect Network) is the low cost automobile network transmissionKey word: SPMC75F2313A, TJA1020, LIN 1.1   Introduction　　LIN is in the low cost network automobile communication protocol standard, LIN (Local Interconnect Network) is the low cost automobile network, it is the existing many kinds of automobile network in the function supplement, because can improve the quality, reduce the cost, LIN will ...

Wednesday, August 13th, 2008 at 23:20 | No comments

Categories: SCM

Tags: sunplus

Short Content: Abstract: This article main introduction has the SVPWM method using the SPMC75 monolithic integrated circuit.Key word: SPMC75, SVPWM, SPWM1.1   Foreword　　Along with the computer technology and the electric power electronic technology's development, the frequency conversion actuation technology relies on its outstanding performance, is exchanging the velocity modulation domain application to be getting more and more broad now.　　The frequency conversion actuation main use's actuation profile mainly has SPWM and the SVPWM two kinds. The SPWM principle simple, realizes easily, is the present ...