

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)
文檔簡介
1、<p><b> 外文資料</b></p><p> SYSTEM OVERVIEW</p><p> The DTS is a lost cost,computer controlled test system which is capable of testing a wide range of linear IC,s.The system is
2、contained in a single cabinet and has a relatively small footprint.The major components of the DTS are:</p><p> Motorola Micorosystems VME series computer</p><p> Small profile printer</p&g
3、t;<p> Instrumentataion card cage</p><p> Power supply trays</p><p> Hewlett Packard 3456A or 3458DVM</p><p> 1.Motorola Microsystems Computers</p><p> The
4、VME/10 is a MC68010 based microcomputer built around the VMEbus architecture.The testers software runs under the VERSAdos operating system and the RMS68K real-time multitasking kernel. The computer has 384K bytes of main
5、 memory ,a memory management unit,a real-time clock/calendar, and 5 slot VMEbus card cage.Also include are a double-side ,double-density floppy disk drive and a 40Mb hard disk.Added in the card cage are a GPIB controller
6、 board,a dual parallel board,a 512Kb memory expansion bo</p><p> The VMEsystem 1131 is a MC68020 based machine designed around a twelve slot VMEbus compatible cardcage. The system unit,16Kb of instruction c
7、ache,2Mb of ram ,and a mass storage unit that houses a 70Mb hard disk, 655Kb floppy disk,and a 60Mb streaming tape drive.Added to this are a GPIB controller hard and an IBUS controller board and an IBUS controller board.
8、 The terminal used as the system console is a Motorola TM3000 terminal.</p><p> On both computer systems, the tester software runs under the VERSAdos operating system and the RMS68K real-time multitasking k
9、ernel.The DTS environment is designed to look and operate the same on both systems.</p><p> 2. Printer </p><p> The printers is a small,Centronics compatible dot matrix printer.Its dimensions
10、allow it to reside on an extendable shelf within the DTS cabinet.It is connected to the VME/10 through one of the available parallel ports,or to the SYS1131 via one of the serial ports.</p><p> 3 Instrume
11、ntation Card Rack</p><p> Most of the tester instrumentation is installed in the upper portion of the DTS cabinet . The card rack can hold up to sixteen test instrument cards:</p><p> DC measu
12、rement system board</p><p> Test head matrix board</p><p> Voltage source and nanoammeter board</p><p> Audio voltmeter board</p><p> Control and measure bits board
13、</p><p> Time measurement board</p><p> Handler or prober control board </p><p> Audio source board</p><p> Eight voltage and current source boards</p><
14、p> The card rack also contains an analog and a digital backplane for controlling each module.The digital backplane is connected to the computer via the IBUS cabling.</p><p> The power V/I source is a sp
15、ecial instrument that ,when installed in the system ,is mounted inside the back door as opposed to being in the card rack.</p><p> 3.1 The measurement board</p><p> Card slot one contains the
16、 measurement board.The measurement board is a differential DC voltmeter with a maximum input voltage of +65V to -65V.The measurement board has three measurement ranges,65V,20V,and 2V.</p><p> 3.2 The cros
17、s point matrix board</p><p> Card slot two holds the cross point matrix board.The cross matrix board consists of three sections:a timer interval generator,a sixteen input measurement matrix,The time interva
18、l generator is used to time and control program waits in the DTS system.The measurement matrix is input matrix for the measurement board.It provides sixteen that can be used to connect the measurement board to different
19、measurement points on the load board.</p><p> 3.3 The voltage source/nanoammeters(vs/na) board</p><p> Provides eight individually programmable voltage sources capable of forcing voltages fr
20、om -65V DC to +65V DC at currents up to 10mA.Voltage sources one through four also have built in current measurement capability.The VS/NA board is located in card slot three of the instrument card rack.。The VS/NA board h
21、as two voltage forcing ranges.65V DS and 10V DC.and has two current measurentment ranges,a 20uA range ang a 2uA range.</p><p> 3.4 The audio voltmeter(AVM) board</p><p> Card solt four holds
22、 the audio voltmeter board,which provides the capability of measuring AC signals in the audio frequency range.The AVM board provides DC suppression and filtering of the input signal,and has an input frequence range of 50
23、HZ and 100KHZ.The AVM has six voltmeter ranges:16,4,1.6,0.4,0.1,and 0.025V RMS,and the following user selectable filters:</p><p> Highpass:50HZ,300HZ,and 3KHZ</p><p> Bandpass:None,1KHZ,10KHZ,
24、19KHZ,38KHZ,and Distortion</p><p> 3.5 The CBITS/MBITS board</p><p> Card solt five contains the CBITS/MBITS board,which provides 32 control lines to the performance board,and 16 read-back bi
25、ts(MBITS) form the performance board.</p><p> 3.6 The large timer board</p><p> The large timer board is located in card slot six,and is used to measure the elapsed time between two events,o
26、r to count the number of events which occurred during a known time interval.</p><p> 3.7 The handler control board </p><p> The handler control board provides the interface between the DTS an
27、d the device handler or prober.It receives a start test signal from the handler when a decice is sitting in the handler`s contacts and is ready for testing.After testing has been completed,the handler control board provi
28、des a bin result and the end of test signal to the handler.</p><p> 3.8 Audio source board </p><p> Card slot eight contains the audio source board,which is a programmable waveform generator
29、capable of producing arbitrary waveforms from -30V to +30V in the amplitude.</p><p> 3.9 The voltage/current source(VI) board</p><p> The VI board are installed in card slots nine through six
30、teen,and provide voltages of from -65V to +65V DC with current limiting from -200mA to +200mA. </p><p> 4 . Power Supply Trays</p><p> The system power supplies are located in the base o
31、f the cabinet on two extendable trays.These supplies are powered by the standard 110V,30A service that runs the DTS.They provide various DC voltages from +5V to +/-75V.</p><p> 5. Hewlett Packard 3456A or
32、 3458 DVM</p><p> The Hewlett Packard DVM is used primarily as the calibration standard for the DTS.The Motorola calibration lab verifys the performance of the meter as a working standard and it is placed i
33、nside the tester cabinet .It is controlled by the computer via the GPIB controller The DVM is also available to user programs as a standard GPIB device at address 22 with the available DTS cable 40 retrofit.</p>&
34、lt;p><b> 中文翻譯:</b></p><p><b> 系統(tǒng)概述:</b></p><p> DTS是一個低成本,微機控制的寬范圍測試線性IC的測試系統(tǒng)。這個系統(tǒng)被放一個單一的櫥柜中,有一個相關(guān)的區(qū)域。DTS主要的部分是:</p><p> 摩托羅拉為控制系統(tǒng)VME系列計算機</p>
35、<p><b> 小外型打印機</b></p><p><b> 器件備置卡片夾</b></p><p><b> 電源供應(yīng)插槽</b></p><p> HEWLLET 包裝3456或3458 DVM</p><p> 1.摩托羅拉微控制系統(tǒng)計算機<
36、/p><p> VME/10是以VMEbus為結(jié)構(gòu)建造的以MC68010為基礎(chǔ)的微型計算機。測試軟件是在VERSdos操作系統(tǒng)和實時RMS68K多處理環(huán)境下運行的。這個計算機擁有384Kbit的主能存,一個存儲管理單元,一個即時的時鐘/日歷和5條VMEbus卡片籠。也包括雙邊雙密度盤片軟盤驅(qū)動和一個40M的硬盤。在卡片夾增加的是一個GPIB控制板,一個雙向平行板,一個512Kb存儲擴充卡,一個工具總線(IBUS)控
37、制器。</p><p> VMEsystem 1131是圍繞12個VMEbus適配器而設(shè)計的一部以MV68020為基礎(chǔ)的計算機。這個系統(tǒng)包括一個浮點型處理器,2Mb的RAM,和一個70Mb的大容量存儲單元硬盤,655Kb軟盤和一個60Mb流音式驅(qū)動器。加到這是一個 GPIB 控制板和一個IBUS 控制板。用在這個系統(tǒng)控制臺的終端是一個摩托羅拉TM3000終端。</p><p> 在這兩
38、個計算機系統(tǒng)中,測試的軟件運行在VERSdos操作系統(tǒng)和RMS68K實時多任務(wù)核心下運行的。在兩個系統(tǒng)上DTS環(huán)境被設(shè)計成相同的查看和操作。</p><p><b> 2.打印機</b></p><p> 打印機是一個小巧的原子兼容點矩陣式打印機。它尺寸能使它能放在DTS內(nèi)閣里面一個擴展架上。它通過可得的平行端口中的一個連接到VME/10,或通過連續(xù)端口中的一個連
39、接到SYS1131。</p><p><b> 3.器件卡槽</b></p><p> 大多數(shù)的測試期間被安裝在DTS內(nèi)閣的上部分。卡片機架上有十六個測試儀器卡片:</p><p><b> 直流測量系統(tǒng)板</b></p><p><b> 交叉點矩陣電路板</b>&l
40、t;/p><p> 電壓源和毫微安計電路板</p><p><b> 聲頻電壓表電路板</b></p><p><b> 數(shù)字控制電路板</b></p><p><b> 時間測量電路板</b></p><p> 處理機和探測器控制板</p&
41、gt;<p><b> 音頻源電路板</b></p><p><b> 8個電壓和電流源板</b></p><p><b> 3.1測量板</b></p><p> 卡片槽的第一個是測量板。這個測量板是一個微分DC電壓表,在大輸入電壓為-65V到+65V。這個測量板有三個測量檔,
42、65V,20V,和2V。</p><p> 3.2交叉點矩陣電路板</p><p> 第二個卡槽是交叉點矩陣電路板。這個交點矩陣板有三部分組成:時間間隔發(fā)生器,16位輸入測量矩陣和一個4×16交叉矩陣。</p><p> 在DTS系統(tǒng)中這個時間間隔發(fā)生器被用作測時和控制車程序的等待。</p><p> 這個測量矩陣是為測試板
43、提供的一個16位輸入矩陣。它提供了16條可控線從測量板到測試板的不同測試點。</p><p> 這個交叉矩陣是一個4×16開爾文矩陣,他被用作連接不同的器件到測試板的不同點。</p><p> 3.3電壓源和毫微安計電路板</p><p> 提供了8個獨立的可編程的電壓源,所加電壓的能力從-65VDC到+65VDC在電流在達到10MA下。一到四電壓源
44、已被建成具有電流測量的能力。這個VS/NA板坐落于期間卡槽的第三個。</p><p> 這個VS/NA板有兩個電壓范圍,65VDC和10VDC,和兩個電流測量范圍,20UA和2UA范圍。</p><p> 3.4聲頻電壓表電路板</p><p> 第四個卡片槽是聲頻電壓表電路板,它有測量AC信號能力在音頻頻率范圍。這個AVM板提供了抑制支流和過濾輸入信號,和有
45、一個50HZ,100HZ的輸入頻率。這個AVM有六個電壓表范圍:16,4,1.6,0.4,0.1,和0.0025V RMS,和下列用戶選擇濾波器:</p><p> 高通:50HZ,300HZ,and3KHZ</p><p> 帶通:無,1KHZ,10KHZ,19KHZ,38KHZ,和失真</p><p> 3.5數(shù)字控制電路板
46、 </p><p> 第五塊卡板是數(shù)字控制電路板,它提供了32條可控線到作用板,和16條反
47、饋位(MBIT)從作用板。</p><p><b> 3.6大定時板</b></p><p> 大定時板位于第六個卡片槽中,他被用作測量兩個事件的共用時間,或者在已知的間隔時期內(nèi)計事件發(fā)生的數(shù)量。</p><p><b> 3.7測試機控制板</b></p><p> 測試機控制板為DTS和
48、測試器件的測試機或探測器提供一個接口。當(dāng)器件正被測試機接觸和準備測試時測試機接到一個開始測試信號從測試系統(tǒng)。在測試結(jié)束后,測試機控制板提供一個BIN的結(jié)果和結(jié)束測試信號到測試機。</p><p><b> 3.8音頻源電路板</b></p><p> 第八塊卡槽是音頻源電路板,它是一個可編程的信號波形發(fā)生器,能產(chǎn)生人意的波形從-60V到+60V。</p>
49、;<p> 3.9八個電壓和電流源板</p><p> 電壓電流源板被裝在卡槽的第九個到第16個,它們提供電壓從-65V到+65VDC和它的電流限值從-200mA到+200mA。</p><p><b> 4.電源供應(yīng)箱</b></p><p> 系統(tǒng)的電源位于內(nèi)閣的底部兩個可伸張的盤子。這些供應(yīng)由標準110V,30A為D
50、TS運行提供服務(wù)。它們提供各種各樣的直流電壓從+5V到+/-75V.</p><p> 5. 惠普3456A或3458 DVM</p><p> 惠普DVM被用作DTS早期校準的標準。摩托羅拉校準實驗室證實了作為工作標準的表現(xiàn)和它被放置在測試器的內(nèi)閣里面。它通過GPIB控制器受計算機的控制,DVM對于用戶程序也是可得的作為一個標準的GPIB器件在地址22通過可得的DTS 40式纜繩。&
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 外文翻譯---微機系統(tǒng)
- 外文翻譯----微機發(fā)展簡史
- 微機發(fā)展簡史外文翻譯
- 外文翻譯---微機發(fā)展簡史
- 外文翻譯--基于微機控制器的超聲波測距設(shè)計
- 微機電系統(tǒng)的未來(mems)外文文獻翻譯@中英文翻譯@外文翻譯
- 有關(guān)單片機外文翻譯---微機發(fā)展簡史
- 計算機專業(yè)外文資料翻譯----微機發(fā)展簡史
- 成本控制【外文翻譯】
- 溫度控制外文翻譯
- 外文翻譯---簡易微機電系統(tǒng)設(shè)備的無線供電方案
- 一種采用單臺微機控制的標簽粘貼機畢業(yè)論文外文翻譯
- 智能控制外文翻譯
- pid控制外文翻譯
- 內(nèi)部控制【外文翻譯】
- 外文翻譯--控制技術(shù)
- 外文翻譯--微機電系統(tǒng)的未來(mems) 英文版
- 外文翻譯---簡易微機電系統(tǒng)設(shè)備的無線供電方案
- 財務(wù)控制外文翻譯
- 外文翻譯---尺寸控制
評論
0/150
提交評論