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基于TOPSwitch器件的单片开关电源设计 总被引:1,自引:0,他引:1
介绍了基于TOPSwtich器件设计实现的单片开关电源,分析了其基本的工作原理,给出了实用电路及主要单元电路的设计方法。 相似文献
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单片开关电源的应用越来越广泛,文章首先分析了单片开关电源的功率测量技术,然后给出了主要参数的测试,最后详细介绍了单片开关电源电路的性能测量方法。 相似文献
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随着电子技术的发,无绳电话的电路设计已由分立的单一功能的集成电路走向单片综合功能的集成电路,这是提高无绳电话产品质量和可靠性的必由之路。本文着重介绍单片无绳电话IC的基本架构与控制;应用单片无绳电话IC中经常遇到的技术问题,如接收信号强度批示和噪声检测,PCB设计等,最后对常用的无绳电话单片机IC的主要性能进行了比较。 相似文献
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单片开关电源是一种新型高集成度、高性价比的开关电源集成的电路。文中介绍其性能特点,以及由它构成的精密开关电源模块的电路设计。 相似文献
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Kibar O. Marchand P.J. Esener S.C. 《Very Large Scale Integration (VLSI) Systems, IEEE Transactions on》1998,6(3):372-386
We present the theory, experimental results, and analytical modeling of high-speed complementary metal-oxide-semiconductor (CMOS) switches, with a two-dimensional (2-D) layout, suitable for the implementation of packet-switched free-space optoelectronic multistage interconnection networks (MIN's). These switches are fully connected, bidirectional, and scaleable. The design is based on the implementation of a half-switch, which is a two-to-one multiplexer, using a 2-D layout. It introduces a novel self-routing concept, with contention detection and packet drop-and-resend capabilities. It uses three-valued logic, with 2.5 V being the third value for a 5 V power supply. Simulations show that for a 0.8-μm CMOS technology the switches can operate at speeds up to 250 Mb/s. Scaled-down versions of the switches have been successfully implemented in 2.0 μm CMOS. The analytical modeling of these switches show that large scale free-space optoelectronic MIN's using this concept could offer close to Terabit/sec throughput capabilities for very reasonable power and area figures. For example, a 4096 channel system could offer 256 Gb/s aggregate throughput for a total silicon area of about 18 cm2 and a total power consumption (optics plus electronics) of about 90 W 相似文献
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本文主要介绍一款卓越的CD/MP3和压缩音频解码芯片CS7410,它是Cirrus Logic公司的音频解码系列产品,实现了具有超级片内集成、低成本、低功耗和体积小的优点,主要应用于便携式电子产品。 相似文献
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ArnoldMotley 《今日电子》2002,(6):33-35
越来越多的模拟外围元件正在设法成为微控制器(MCU)家族中的一员。目前市场上的一些MCU使得设计师们能够创造出各式各样的模拟功能,包括数-模变换器(DAC)、可编程增益放大器和双极滤波器功能。这种功能灵活性的增加要求数字设计人员提高自身的模拟设计技能。 当做出模拟设计方案的时候,设计师必须牢记这样的事实,即模拟信号的脉冲上升沿和下降沿通常较为平缓,且不如数字信号那么“干净”。当试图由模拟波形生成数字波形时,较为平缓的脉 相似文献
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A new architecture is presented for a single-chip tuner for digital terrestrial television, based on existing double conversion and direct conversion topologies. The new design forms part of a mixed-signal Digital Video Broadcasting-Terrestrial (DVB-T) receiver system, employing digital signal processing at baseband to ensure minimal performance requirements for the analog circuitry. To evaluate the potential performance of this new tuner/receiver system, high-level system simulations have been performed, followed by the construction of a prototype DVB-T receiver using a custom-designed analog ASIC which integrates all analog tuner blocks (including channel filtering) on one chip. Measured results from this chip, implemented in a 20-GHz bipolar technology, show an overall third-order input referred intercept point of 116 dB/spl mu/V, a noise figure of 14 dB and an automatic gain control range of 71.4 dB, drawing 250 mA at a 5-V supply. 相似文献
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Partial concentrators have been shown to be useful in the construction of various types of interconnecting networks. It is shown how a large class of combinatorial designs, which are well studied in the literature, can be used to construct partial concentrators and thus provide a direct link between the fields of combinatorial designs and switching networks. A construction efficiency factor called the cost ratio is introduced, and some lower bounds on the capacity of partial concentrators having certain characteristics are established. It is shown how to use various combinatorial designs to construct partial concentrators having these same characteristics and corresponding capacities 相似文献