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7538及7540比较
详细介绍了ST公司的各代载波芯片的特点
1989: ST7536is the first monolithic Power Line Modem for Automatic Meter Reading (AMR) applications
2012-01-05
SSM2135 数据手册
The SSM2135 dual audio operational amplifier permits excel-
lent performance in portable or low power audio systems, with an operating supply range of 4 V to 36 V or ±2 V to ±18 V. The unity-gain stable device has very low voltage noise of 5.2 nV/√Hz, and total harmonic distortion plus noise below
0.01% over normal signal levels and loads. Such characteristics
are enhanced by wide output swing and load drive capability.
A unique output stage permits output swing approaching the
rail under moderate load conditions. Under severe loading, the SSM2135 still maintains a wide output swing with ultralow distortion. Particularly well suited for computer audio systems and portable digital audio units, the SSM2135 can perform
preamplification, headphone and speaker driving, and balanced
line driving and receiving. Additionally, the device is ideal for input signal conditioning in single-supply, Σ-Δ, analog-to-digital converter subsystems such as the AD1877. The SSM2135makes an ideal single-supply stereo output amplifier for audiodigital-to-analog converters (DACs) because of its low noiseand distortion. The SSM2135 is available in an 8-lead plastic SOIC package
APPLICATIONS
Multimedia audio systems Microphone preamplifiers Headphone drivers Differential line receivers Balanced line drivers Audio ADC input buffers Audio DAC l-V converters and filters Pseudoground generators
2011-12-17
基于FPGA的mif文件创建与使用
真正意义上的ROM应具有掉电后信息不丢失的特性,因此利用FPGA实现的ROM只能认为器件处于用户状态时具备ROM功能。使用时不必要刻意划分,而ROM单元的初始化则是设计人员必须面对的问题。本文讨论FPGA的ROM初始化问题,详细介绍mit文件的创建与使用
2011-03-01
载波资料 ST7538应用指南
手册好下载,应用指南难下载呀
The ST7538 is a Half Duplex synchronous/asyn-
chronous FSK Modem designed for power line
communication network applications. It operates
from a single supply voltage and integrates a line
driver and a 5V linear regulator. The device oper-
ation is controlled by means of an internal register,
programmable through the synchronous serial interface. Additional functions as watchdog, clock
output, output voltage and current control, pream-
ble detection, time-out, band in use are included.
Realized in Multipower BCDV technology that allows to integrate DMOS, Bipolar and CMOS structures in the same chip.
2012-01-05
ADS2015安装及破解说明(带破解文件)
ADS 2015破解文件,带破解说明,ADS2015可到官网下载
ads2015破解文件是一款多功能的ads程序破解工具。官方推出的ads2015版本如果用户没有付费购买是无法正常使用的,小编带来的这个破解文件也就是为了帮助大家实现免注册操作,简单几步设置,就可以长期使用正式版程序了!快来优快云下载吧!
2015-10-21
Multisim 10 使用指导
最好用的仿真软件,库全,DEMO多
利用multisim软件对高频电路中的单、双调谐回路放大器、高频功率放大器、高频振荡器、调制与解调等实验内容进行仿真研究。作出实现其功能的具体电路,分析其工作原理,
2010-01-31
科技查新中检索词的规范性研究
查新点填写的注意事项
创新之处,不同之处,描述尽量简洁。
突出重点:选择项目中的主要创新之处作为查新点
查新点应避免使用评价性和形容性的语句,如“首次”、
五:查新点中涉及的现有的技术必须要用专业术语或公认
的表述,不 能使用自创的名词和表述。
六:查新点中涉及多指标或多种条件的情况,需将具体指标
或条件列出。
2010-11-09
AM29LV160D.pdf
16 Megabit (2 M x 8-Bit/1 M x 16-Bit)
CMOS 3.0 Volt-only Boot Sector Flash Memory
2009-04-26
Multisim 10 Component Reference Guide.pdf
专门用来测量电路的信号失真度,失真度仪提供的频率范围为20Hz~100kHz。
Fundamental Freq(分析频率)处可以设置分析频率值;失真度仪提供的频率范围为20Hz~100kHz。选择分析THD(总谐波失真)或SINAD(信噪比),单击Set按钮,打开设置窗口如图所示,由于THD的定义有所不同,可以设置THD的分析选项。
2010-01-31
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