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Hyper-Terminal

Terminal 終端仿真程序

Terminal 終端仿真程序，首先敲擊鍵盤的字符傳輸到串口，然后從串口中讀出數據顯示到視圖中。調用readcomm(),writecomm()函數功能。

標簽： Terminal 仿真程序

上傳時間： 2013-12-18

上傳用戶：jackgao
TC35i Fixed Wireless Terminal designed in OrCAD 15.7

TC35i Fixed Wireless Terminal designed in OrCAD 15.7

標簽： Wireless Terminal designed Fixed

上傳時間： 2013-12-24

上傳用戶：爺的氣質
linux terminal thread semophores

linux terminal thread semophores

標簽： semophores terminal thread linux

上傳時間： 2017-09-28

上傳用戶：英雄
W7800規格書,pdf datahsheet

W78XX規格書:The W7800 series of three-terminal positive regulator is available in TO –220, ISOWATT220 a

標簽： datahsheet W7800 規格書

上傳時間： 2013-08-05

上傳用戶：zhang469965156
MAX4968,MAX4968A數據手冊

The MAX4968/MAX4968A are 16-channel, high-linearity,high-voltage, bidirectional SPST analog switches with18I (typ) on-resistance. The devices are ideal for use inapplications requiring high-voltage switching controlledby a low-voltage control signal, such as ultrasound imagingand printers. The MAX4968A provides integrated40kI (typ) bleed resistors on each switch terminal todischarge capacitive loads. Using HVCMOS technology,these switches combine high-voltage bilateral MOSswitches and low-power CMOS logic to provide efficientcontrol of high-voltage analog signals.

標簽： 4968 MAX 數據手冊

上傳時間： 2013-10-09

上傳用戶：yepeng139
電壓基準的理解和應用

Specifying the right reference and applying it correctly isa more difficult task than one might first surmise, consideringthat references are only 2- or 3-terminal devices.Although the word “accuracy” is most often spoken inreference to references, it is dangerous to use this wordtoo freely because it can mean different things to differentpeople. Even more perplexing is the fact that a referenceclassified as a dog in one application is a panacea inanother. This application note will familiarize the readerwith the various aspects of reference “accuracy” andpresent some tips on extracting maximum performancefrom any reference.

標簽： 電壓基準

上傳時間： 2013-10-15

上傳用戶：liuwei6419
開關穩壓器的偏置低噪聲變容

Telecommunication, satellite links and set-top boxes allrequire tuning a high frequency oscillator. The actualtuning element is a varactor diode, a 2-terminal device thatchanges capacitance as a function of reverse bias voltage.1 The oscillator is part of a frequency synthesizingloop, as detailed in Figure 1. A phase locked loop (PLL)compares a divided down representation of the oscillatorwith a frequency reference. The PLL’s output is levelshifted to provide the high voltage necessary to bias thevaractor, which closes a feedback loop by voltage tuningthe oscillator. This loop forces the voltage controlledoscillator (VCO) to operate at a frequency determined bythe frequency reference and the divider’s division ratio.

標簽： 開關穩壓器低噪聲變容

上傳時間： 2013-12-20

上傳用戶：ABCDE
Switching Regulators for Poets

The above title is not happenstance and was arrived at afterconsiderable deliberation. As a linear IC manufacturer, it isour goal to encourage users to design and build switchingregulators. A problem is that while everyone agrees thatworking switching regulators are a good thing, everyonealso agrees that they are difficult to get working. Switchingregulators, with their high efficiency and small size, areincreasingly desirable as overall package sizes shrink.Unfortunately, switching regulators are also one of themost difficult linear circuits to design. Mysterious modes,sudden, seemingly inexplicable failures, peculiar regulationcharacteristics and just plain explosions are commonoccurrences. Diodes conduct the wrong way. Things gethot that shouldn’t. Capacitors act like resistors, fusesdon’t blow and transistors do. The output is at ground, andthe ground terminal shows volts of noise.

標簽： Regulators Switching Poets for

上傳時間： 2013-12-19

上傳用戶：奇奇奔奔
Microchip PIC系列單片機RS232通訊應用

Digitemp Junior – An RS-232 Port-Powered Digital Thermometer Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected to an RS-232 port on any PC, it will periodically measure and report in ASCII form the ambient temperature in degrees Celsius. These temperature readings can be monitored with any terminal program. If the terminal program supports capture to disk, the temperature readings can be saved to disk for further analysis with a spreadsheet program or other data analysis tool. The simple ASCII output format of Digitemp Jr. makes it rel- atively easy to write custom software for receiving, recording, and analyzing ambient temperature data. Best of all, Digitemp Jr. requires no external power sup- plies or batteries. It is powered directly by the RS-232 port.

標簽： Microchip 232 PIC RS

上傳時間： 2013-10-21

上傳用戶：baitouyu
PIC單片機的RS232通訊程序

Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected to an RS-232 port on any PC, it will periodically measure and report in ASCII form the ambient temperature in degrees Celsius. These temperature readings can be monitored with any terminal program. If the terminal program supports capture to disk, the temperature readings can be saved to disk for further analysis with a spreadsheet program or other data analysis tool. The simple ASCII output format of Digitemp Jr. makes it relatively easy to write custom software for receiving, recording, and analyzing ambient temperature data. Best of all, Digitemp Jr. requires no external power supplies or batteries. It is powered directly by the RS-232 port.

標簽： PIC 232 RS 單片機

上傳時間： 2013-10-20

上傳用戶：Maple