实用电路图第43集课件.ppt

1、图 例12V220V220V220V2.G3.O1.I78053.O1.G2.I7905CDQQRSJQCQSRKQcpQcpDLLNPN型晶体管PNP型晶体管单结晶体管IGBT晶体管TXUcp-+cYYPON型达林顿管P型达林顿管N结型场效应管P结型场效应管P沟场效应管N沟场效应管N沟场效应管单向可控硅双向可控硅晶体二极管稳压管双向触发二极管变容二极管发光二极管恒流二极管整流桥整流桥与电容电子管红外发射管红外接收器双发光二极管双发光二极管光电二极管光电三极管光电可控硅光电耦合器摄像头数字表数字时钟D触发器JK触发器RS触发器与门与非门或门或非门异或门异或非门非门同相器运算放大器施密特触发器三

2、端稳压器三端稳压器音乐片电解电容无极电解电容电容可变电容微调电容穿心电容开关单插孔常开按钮开关常闭按钮开关常闭常开按钮插头插孔磁钢避雷器高频插座感应板触摸板穿心磁珠电磁铁插头插座保险丝常闭触点常闭常开触点常开触点继电器电键放音磁头录放磁头摸音磁头电唱头滤波器电动机三相电动机伺服电动机接AC220VAC220V插头AC220V插座零线火线探头热端探头冷端天线双向干簧管常开干簧管常闭干簧管DSE12 345 678 9电风扇互感器电话机电感线圈单圈线圈铁芯线圈变压器磁芯线圈变压器磁芯可调线圈空芯线圈变压器电池晶体荧光灯表头灯泡闪光灯湿敏触摸电阻负载电阻光电池光敏电阻热敏电阻放电器放电板耳机扬声器高

3、音扬声器蜂鸣器讯响器话筒压电陶瓷片屏蔽线氖管水银开关热释电探头气敏元件键盘各式电阻电位器输入输出接地接大地或外壳制图:何应成QQ3341795246制图:何应成QQ334179524678910111213141516171819212223242526272829303120CZ100CZ101CZ102CZ103CZ104CZ105CZ106CZ107CZ108数字万用表交流电压测量电路数字万用表晶体管hfe测量电路数字万用表集成电路L7106微型万用表电视机收音机综合检测仪：方框图电视机收音机综合检测仪改进型小巧多用仪高频全波整流电路催眠节拍闪光三用单结管检测器CZ109CZ110CZ1

4、11HT5型短波综合测试仪：电源HT5:高频信号发生器主振缓冲调制器HT5:高频信号发生器检波输出衰减器CZ112CZ113CZ114CZ115CZ116CZ117HT5：高频信号发生器调幅度测量器HT5：高频功率测量器HT5：高频功率调幅校准测量器HT5：低频信号发生器HT5：毫伏表/输入电路HT5：毫伏表/输出电路CZ118CZ119CZ120CZ121CZ122CZ123CZ124HT2：频偏计-输入衰减与变频HT2：频偏计-中放与限幅HT2：频偏计-鉴频与输出指示HT2：音频信号发生器HT5：晶体校准电路HT5：晶校检出电路HT2型超短波综合测试仪：方框图323334353637383

5、94041424344464748495051525354555645CZ125CZ126HT2：调制电压分压器HT2：超高频发生器-晶振调制与谐放CZ127CZ128CZ129CZ130CZ131CZ132CZ133CZ134CZ135HT2：超高频信号发生器-频率调节器HT2：电压表-输入电路HT2：电压表：放大电路HT2：中频信号发生器：主电路HT2：中频信号发生器：选频电路HT2：超高频.中频信号输出衰减电路HT2：功率计电路HT2：电源电路HT2：表头指示电路CZ136 RR2型干扰场强测量仪：方框图CZ137CZ138CZ139CZ140CZ141CZ142CZ143CZ144RR

6、2型干扰场强测量仪：天线变换器RR2干扰场强测量仪:校准脉冲发生器RR2干扰场强测量仪:低通高频衰减器RR2型干扰场强测量仪：高频放大器RR2型干扰场强测量仪：第一混频器RR2型干扰场强测量仪：第一本振RR2型干扰场强测量仪:455KHz预中放RR2型干扰场强测量仪:3.1MHz预中放CZ145CZ146CZ147CZ148CZ149RR2型干扰场强测量仪：第二混频器RR2型干扰场强测量仪:465K主中放1RR2型干扰场强测量仪：465KHz功放RR2型干扰场强测量仪:中放拍振检波RR2型干扰场强测量仪:465K主中放25758596061626364656667686971727374757

7、6777879808170CZ150CZ151CZ152CZ153RR2型干扰场强测量仪：音频放大器RR2型干扰场强测量仪:检波直放指示RR2型干扰场强测量仪:-9V主电源RR2型干扰场强测量仪：偏压电源CZ154CZ155CZ156CZ157CZ158CZ159CZ160CZ161950型综合测试仪：频偏测量部分950型综合测试仪：晶振部分950型综合测试仪：1KHz部分950型综合测试仪：振荡器控制部分950型综合测试仪：VAR测量部分950型综合测试仪：测量部分950型综合测试仪：直放指示部分950型综合测试仪：方框图CZ162 950综合测试仪：1-12.20-50MHz部分CZ163

8、CZ164CZ165CZ166CZ167CZ168CZ169CZ170CZ171950型综合测试仪：探头部分950型综合测试仪：面板开关正视图HH-1型全能无线电电视检修仪：主机HH-1型：音频发生器HH-1型：交直流毫伏表HH-1型全能无线电电视检修仪：电源HH-1型：信号寻迹器555多功能测量器小型电台综合测试仪:功率测量控制CZ172CZ173CZ174小型电台综合测试仪：前级放大器小型电台综合测试仪：输出级4K/V微型万用表828384858687888990919293949697989910010110210310410510695CZ175CZ176CZ177CZ178CZ179

9、CZ180低档万用表附加器低档万用表附加器电源数字万用表延时自动关机电路SMB-35型面板表：直流电压测量SMB-35型面板表：直流电阻测量SMB-35型面板表：直流电流测量CZ181CZ182CZ183CZ184CZ185CZ186SMB-35型面板表：20mV毫伏表SMB-35型面板表:交流电压电流测量SMB-35型面板表：电容测量电路SMB-35型三位半数字面板表:主电路音频设备测试器多用测试器CZ187CZ188CZ189数字万用表附加频率计1数字万用表附加频率计2普通万用表附加频率计CZ190CZ191CZ192CZ193CZ194CZ195多功能数字频率计1多功能数字频率计2多功能

10、数字频率计3多功能数字频率计4自制三位半LED数字万用表1自制三位半LED数字万用表2CZ196CZ197CZ198CZ1993211B自动量程数字万用表用毫安表改制简易三用表数字万用表常用A/D芯片参数表微型电阻箱CZ100 数字万用表集成电路L7106710671061262728293031323334353637383940+9V+-osc1osc2osc3TestA/ZBUFFINTV-V+RefhiRefloCOMINloINhiC+C-2-25脚接显示屏1515513341545641842241614CZ101 数字万用表交流电压测量电路71067107INhiINloACVC

11、OMRefhiReflo9VWCZ102 数字万用表晶体管hfe测量电路71067107INhiINloCOMRefhiReflo9Vbcee9VRbRbgWCZ103 微型万用表ccbbeenpnpnp100mA10mA250Vac500V-50V-1k直流电压灵敏度2.5k/v交流电压灵敏度1.1k/v电阻档中心阻值3k档0-250电流档电压降0.24V200A600cpcp426.15121.62.42753125412426162181425262521V5+-CZ104 高频全波整流电路+12V-12Vinout5V2.5V0.1-20MHz39318233272152152393B

12、SX20BSX2022.11.51.CZ105 催眠节拍闪光三用单结管检测器123VK15113511472153BT33G6Y4.7CZ106 改进型小巧多用仪CKEBCpnppnpnpnnpn36.24474KK22K226VCZ107K7K1-5K6电视机收音机综合检测仪：方框图124KHz6.5MHz6.5MHz1KHz400-2800KHz64s方波振荡器音频振荡器振荡器调频振荡器高中频波产生器阶梯波信号发生器调频信号发生器收音机高频信号发生器调制器射极输出器阻抗匹配放大器电视收音高中图声视音伴放大器阶梯振荡器高频电路K1-5472512CZ1CZ2CZ108K7K7K6K6K2K3

13、K4K5K1K2K3K4K5电视机收音机综合检测仪CZ3CZ1CZ2TTF218TD4d.618TK10100uh33uh470uh电视电视收音收音音频6.5MHz调频八级阶梯波视频38MHz中频ch2-61MHz高频125KHz多谐振荡器125KHz开关阶梯波形成阻抗匹配放大器稳压器1KHz振荡器6.5MHz振荡器调制器视视伴音伴音伴音放大器高中频振荡器调幅高频放大器0.4-2MHz振荡器射随器10T90T40TG6AG14CG4G6G6G6G6G6G6G6G6G6G6G6G6G69V33233233347331681*13*14*151356151215456313134745121382

14、211471*274*24*562*363512472512*14222471512222*254*222222222472472332153222681512145/25.5/25.68247.12.1112.322.21425112156.2232232232222226V82424241512321456247121134.7ap9ap9ap92CC1C23223473473CZ109 HT5型短波综合测试仪：电源-E12VK5K5*1311223332136V2X22X63X22-12V0CZ110L1-5L6-103mhAHT5:高频信号发生器/主振缓冲调制器-E3p5pK1:2K2

15、aK2cK2eK2gK2iG6G6G651213151151*113322251.153472511152152133314载波调节15313131313473111111211212/180.3/15.12/180.3/15.131347347347324241512424471CZ111ABHT5:高频信号发生器/检波输出衰减器输出倍乘13 10 50 1000-1mV0-100mV4951K368232512151ap9562562155.796.366.7 96.396.3155.5151.7155.5151.7CZ112BHT5：高频信号发生器/调幅度测量器-E2p3p6p7pG6G

16、650uA11115.113112ap9ap9ap947247215439251256151.472472562152*153K1eCZ113K1eK1aHT5：高频功率测量器P:6WP:24W501008p9p8p9p5.472472184272682355151323232ap7ap750uACZ114 HT5：高频功率调幅校准测量器10p11p10p11p-E50uA5.11111111ap9ap912K1eX22K1a15322247247239168375313472752472CZ115 HT5：低频信号发生器0-1V0-30mV-EK2bX22X22G6681调制度调节ap9*2

17、123391.15147151233213363*363*6227512343243212515111CZ116K4aHT5：毫伏表/输入电路-E1A10mV30mV300mV100mV1V10V3V毫伏表输入G6G613515/20.1312125212K4b161475324336311212271CZ117 HT5：毫伏表/输出电路-E1A-E4p5p50uA5.1111121212K1e12391ap9752*333*682*33351.68127233175233115291282233472G6G611ap9CZ118 HT5：晶体校准电路3mh-EA6p7p1p11pG6G6G6

18、1MHz200kHzK1dK1c*43.*12323251.47347347313471晶校2747536211322222233333291331CZ119 HT5：晶校检出电路耳机A-EG6G614561683133753392*563111151121214CZ120 HT2型超短波综合测试仪：方框图表头指示功率计电源电压表频偏计超高频信号发生器信号发生器音频中频衰减器信号发生器9V13.5V音频输出输出超高频中频高频输入频偏计直流电压输入输入视频电压功率计入CZ121 HT2：频偏计-输入衰减与变频1L1A+9V3K6a:p1OgCZ1AG2855.511311121471471K5d

19、273141522222733325635.64711531211532.ap30eCZ122 HT2：频偏计-中放与限幅1L1+9V31L2153BK6b:p5AG14AG14AG141462222215233333327313682512ap30e1531315315315313121221CZ123 HT2：频偏计-鉴频与输出指示+9V3+9V31L3BLCK6a:p5K6b:p315164222243151542451322233315324212122.153153153224ap30eap30eap15CZ124 HT2：音频信号发生器2ZL1K5a:p5C音频输出AX4AX4AX

20、4113512273563135142245123323322232223323131313115.14223223223CZ125 HT2：调制电压分压器CDK1aK1b152122112139118217516816215115116812213243151162168175182191191113821CZ126 HT2：超高频信号发生器-晶振调制与谐放D2L12L22L32L42ZL22ZL32ZL42ZL5AK5:p1f1f2AG14JAG14JAG80CJJT3114332512332332332333241152472683513561151AG80CJ4714711531531

21、322122147131CZ127 HT2：超高频信号发生器-频率调节器f1f2K1d的12档电容与K1c完全相同72.51.35.27.15.12.115.65.620.22.527.530.35.37.540.45.47.550.55.60.K1cp1p2p3p4p5p6p7p8p9p10p11p12K1dCZ128 HT2：电压表-输入电路K6a:p8K2aK2cK2b15244513563224474474355142612433427433249138222441239149132.22.215.15.ap30*2CZ129HT2：电压表：放大电路p8p1p5K6a:p8K6a:p1

22、K6b:p5.8K6c:p1.4.8K5b:p1.5电压表零点G4C*3K6a1531351322268222314562128241842412418313235141523183CZ130K3aHT2：中频信号发生器：主电路4ZL1FZK5a:p2K3bAG24AG24AG243451251213823682621222153324721447251151.1433.56113CZ131 HT2：中频信号发生器：选频电路FZ4L14L24L34L44L5OzK6b:p2ap30e2416823322212191.62.3113K3cK3dCZ132 HT2：超高频、中频信号输出衰减电路Oz

23、Og超高频输出倍乘中频输出倍乘495.2412412416175.55.71495.6175.61CZ133 HT2：功率计电路K6c:p61216.513333K5aK5b24.68214ap30eCZ134 HT2：电源电路511超高频信号产生器2中频信号产生器5音频信号产生器3频偏计4功率计p1p2p3p4p5p1p2p3p4p5E+E-K5aK5bK5c13.5V1V5K7aK7bX22X22X22D4183153147V5K8CZ135K6dK6cK6bHT2：表头指示电路E+E-1超高频输出指示2中频输出指示3频偏计中心指示4频偏计限幅范围指示5频偏计指示6功率计指示7直流电压表8

24、视频电压表9电池电压表10电源电压表11电表短路100uAK6ap1p2p3p4p5p6p7p8p9p10p112222473983CZ136 RR2型干扰场强测量仪：方框图转换器天线低通滤波器衰减器高频高放一混频一本振预中放预中放二混频二本振中频衰减器主中放脉冲校准发生器功放中放检波检波音放拍频振荡器时间常数网络直流放大器100uAEJCZ137K10aK10bK10cRR2型干扰场强测量仪：天线变换器3-6波段1-2波段输出鞭状环状波段波段TXoutK9bK9aCBCB13CZ138K1bRR2型干扰场强测量仪：校准脉冲发生器K1:1L86-9V校准校准测量测量AX22*4J2411562

25、31511414141525131417226.226.56.2JK9V114输入1547315151533251519V1CZ139 RR2干扰场强测量仪：低通、高频衰减器AL5:1 L5:2 L5:3 L5:4B70.870.83741K3aK3b39.22121107.205.374.665.118139.22121107.205.374.665.118153.646.442.239.739.290.984.580.677.7107.143.53.671.590.984.580.677.7107.143.26.7442.442.137.137.137.CZ140 RR2型干扰场强测量仪：

26、高频放大器BL2:1L2:2L2:3L2:4L2:5L2:6L87L61L62L63L69C-9VPK5aK5bK5c68.68.312251147333233233247347314113S2D3451213CZ141 RR2型干扰场强测量仪：第一混频器L70L3:1L3:2L3:3L3:4L3:5L3:6CL64 L65DE-9VP3S2DK5dK5eK5f14242424*472*821*12*2235125111315.4733324734731433211CZ142K5iRR2型干扰场强测量仪：第一本振EL4:1L4:2L4:3L4:4L4:5L4:6L66-9VP3S2D13512

27、*12314144734733323323251111L67L68K5gK5hK5j7/25*615.1268.221213236811323*152*33*12*23*CZ143 RR2型干扰场强测量仪：455KHz预中放DL71EFEZ1B1B2B3K5k3434223121351284G5F47347314145115112214CZ144 RR2型干扰场强测量仪：3.1MHz预中放FEZ2B4B5B6B7L72G6C5132451223*12324.74.7141447347322222222CZ145 RR2型干扰场强测量仪：第二混频器EEZ1EZ2B7B8L73L84XZ-202.

28、635MHz二本振-9V-9VVK5lG5F343451213511*225111414141447347347311CZ146 RR2型干扰场强测量仪：465KHz主中放1B10L74B9EZPZV511增益1324512131351224513513*181*12909.488.332.715.715.K3cG6CG6C51151115.*1414141447347347311CZ147B12B14L75L76RR2型干扰场强测量仪：465KHz主中放2B11B13-9VZPZVG6C5135135135132451213*15151151151151115.*141447347315.*

29、.CD2CZ148 RR2型干扰场强测量仪：465KHz功放B14B15B16B18L77L78L79L80B17-9VHG6CG6CA18A18A18273273273512512512131314143333333321111*12*12*151281511511141414141414141447347347347347311111111*CZ149 RR2型干扰场强测量仪：中放拍振检波器L82L83H-9VPIG6C13512512511273223512G6CB2082114141414473473473473511151ap9B19K7CZ150 RR2型干扰场强测量仪：音频放大器

30、ICKBL81-9VX24X24Y316811314*5131414*153473141451111131B21B22CZ151K6bK6aK4bK4aK1dK1cRR2型干扰场强测量仪：检波直放指示器B18记录器-9VPab电源检查测量测量校准校准准峰准峰平均平均3DO1G100uAG6C1724515353351323232275.123141415414ap9ap9cp16cp16142122333零点CZ152K2dRR2型干扰场强测量仪：-9V主稳压电源-9VB外接电源cp2*4充电关ACDC220VK2aK2bK2cX24X24X22AD6145.15115125115.14715

31、V6DPGNY112V2211414511CZ153 RR2型干扰场强测量仪：偏压电源ab5V6-9V-9VPX24X24X22AD614511511512511471134721414CZ154 950型综合测试仪：方框图鉴频器高频主振衰减器衰减输出晶体振荡高频功率探头直流放大指示音频振荡三用表控制部分晶体管测量直流电源高频插座1KHz输出2KHz1A输出1V54V56VCZ155K2e950型综合测试仪：VAR测量部分32ADV=V=VRAJK7aJK1aK1aK1bK1cK2aK2bK2cK2dap26*20.082JX1+JX2-JX35A56113142515511121314158

32、2282182.8.20.8222511142233405211559395274410152514CZ156K1dK11950型综合测试仪：测量部分240uhAJK2aJK7bJK1b1514475JK8acbeK2f684153346841647.47.471471CZ157 950型综合测试仪：直放指示部分BJK2bJK8b15100uA474232355684474252568168151AG12*2AG12*2516VK3dK3cK3bK3a1V54V5CZ15825K7950型综合测试仪：频偏测量部分250uh150-250uh190-300uh13684ap5ap5ap5ap55

33、6.153131382.82.47.15315315312131312752*432*27.JK3a2731232543515142223323321412AG12AG12AG28CZ159 950型综合测试仪：1KHz部分CKLC11512424332332G12G121275.611215333325153513512JK5aCZ160K5aK4a950型综合测试仪：晶振部分AB+Vf+Vf电源指示输出6811343.43.62162163632323232315151515200K465KG13G13G13G13JK3bJK4aCZ161K4bJK6aJK5b950型综合测试仪：振荡器控

34、制部分插座振荡放大电源置定22.5531K5bK4dK4cJK4bCZ162 950型综合测试仪：1-12.20-50MHz部分24ap26ap30ap265113121121111调频111调幅1313131213121514251213153432682361221434243*154*683*681*9/250.2424131242421*244.1112*32*13*222KoK6dK6cK6bK6aAG28AG28K5dK5c123456789101112PBK4JK6bCZ163功率检波头部分950型综合测试仪：探头部分K9472394*851215K8aK8b332332ap30

35、TToutCZ164 950型综合测试仪：面板开关正视图K1K2K3K4K5K6K7K8K9123456789101112345123451234512345123451234512345123451234512345指示晶振频偏调幅调频载波调谐指示频偏调制频偏开关波段开关工作选择开关工作选择开关量程开关电源开关断校基准通通校1mA10mA100300300100PRAV=VR1R10R100R1KR10K50A500A5mA50mA500mA2.5V10V50V250V500V1KHz200KHz465KHz1-20MHz20-50MHz12345中心频率限幅测量功率P高频毫伏（VKF）P1

36、(0-2W)P10(0-20W)CZ165K2aHH-1型全能无线电电视检修仪：主机+-V+V+48-92MHz714MHzVHF/UHF振荡器振荡器放大器外接LC回路输出LC点频振荡器 和调谐指示电路R.F宽频谱信号发生器调频.调幅电视信号发生器.1324/4232314332472472131347213132315223G204G204G201CK2CK5CK8K3aK3bK2bK615.22431124734734732232234314311322.ap*2ck4.7681CZ166 HH-1型全能无线电电视检修仪：音频发生器低频正弦波信号发生器.1324/4392392823823

37、33.1415K1aK1bCK1152323231313272-CZ167 HH-1型全能无线电电视检修仪：交直流毫伏表DCACX1X5DCACV+V+V-V-交直流毫伏表324/4K4bK4aK5CK4CK62/1015153512582118156339122114ck*4151411CZ168信号寻迹放大器HH-1型全能无线电电视检修仪：信号寻迹器324/422447211CK3CK72243647.3133.15CZ169 HH-1型全能无线电电视检修仪：电源V+V-稳压电源2A220VK7232ABCZ170K1jK1:电容档K2:最小档K3:电容待测1V 10V 100V5K5K.

38、5M.5M1n 10n 100C V R测电压电阻D3D4闪读数，测电容D4常亮D3D5不亮读数。555多功能测量器14.83526755514.835267555K1aK1bK1cK1dK1eK1fK1gK1hK1iK2aK2bK2cK2dK3aK3bD3D4D52222222221415171414141315 1617读数14C读数16+-1514141211K1k9VCZ171断电源校收频移P型71型2-6W71型6-7W81型62型65型1.5-5W65型5-6W.1.2.3.4小型电台综合测试仪：功率测量控制器K1aK1bK1c0.4mA346V51.5136.2832232131

39、052512268212721447222.6124.151ap2612CZ172AG122.5mh13小型电台综合测试仪：前级放大器.1.2B1B2B3B4.522.AG28222*144M47.511214141415115115115147.14141414131212222*512*682*682*1235125133233233236251.51.242241AG28AG12AG122323CZ173B5小型电台综合测试仪：输出级.3.4B4.5121223392*14*272*333*4732722111447168233333215151214ap26*247214141412A

40、G12X8X81447247211151513111315.15147.CZ174 4K/V微型万用表红表笔黑表笔IR1R2U500V250V25V10V2.5V1V1K1001012.5A 0.25A25mA 2.5mA0.5mA250A550250AK1K3.055.555.5661.1155155.5523451945139451994511626132K1V5K2751472CZ175 低档万用表附加器ap*4+6-15V-6-15Vin0.5A0.25A0.1A50mA10A50mV0.5V10V50V250V500V1234567量程电阻计算例：10V:(10V-0.5V)/0.0

41、1mA-45K=905K0.25A:(50mV/250mA)-0.1=0.1741与内阻无关0.5mA14471161473564194516630549053453530.50.30.10.121CZ176 低档万用表附加器电源D13*13G+8V-8VAK20AK205125121V5K1111CZ177 数字万用表延时自动关机电路9V1435AKD65512SZBCZ178 SMB-35型面板表：直流电压测量1393949596SMB-35+-200mV2V20V200V2KVCZ179 SMB-35型面板表：直流电阻测量RTRRxV+-+SMB-35CZ180 SMB-35型面板表：直

42、流电流测量0.10.99.9192SMB-35+-0.2mA-2mA20mA0.2A2ACZ181 SMB-35型面板表：20mV毫伏表149313741-5V+5V-+-+SMB-35CZ182 SMB-35型面板表：交流电压电流测量SMB-35+-+5V-5VACin3140152251414474432224561616124848CZ183 SMB-35型面板表：电容测量电路2.6374.815555236.74.815555SMB-35+-9VK2223131312332141516171315473141415CxCZ184 SMB-35型三位半数字面板表：主电路406912345

43、678910111213142242242241514DP12+475-47512126275V28212712947330163114322333683341535153363839 40ICL71072-20.22-25.37满量程：DC1999mV.输入阻抗：10 。精度：0.21个字电源：DC5-6V150mA12-4VCZ185 音频设备测试器50mVmaxV+V+84/484/484/484/468325316165315415450mA4711382382215151534722222226821216V+13BC567*2121216472472155644V7CZ186C10

44、R114040多用测试器5V41214Q7Q9Q10Y2252251614131493/493/493/450/650/650/650/650/650/633447482.4.74.74.7TTCZ187 数字万用表附加频率计1CP01CP14MR2Q03Q15Q26Q3774390ACP01CP14MR2Q03Q15Q26Q3774390ACP015CP112MR14Q013Q111Q210Q3974390BA19.99KHz199.9KHz1.999MHz19.99MHzINHC02/4HC02/4K12CZ188 数字万用表附加频率计2CI11CO9CO10R12Q47Q55Q64Q76

45、Q814Q913Q1015Q121Q132Q1434060A2VHC02/414.3MHz161319kHz=1.9V131615239.474CZ189 普通万用表附加频率计+9V-9VIN50Hz500Hz5KHz358/2358/20.5mA131347222522514K3Vcpcpcpakak472473474CD223CZ190KB+5V多功能数字频率计1JK1a04/604/604/604/604/604/610M5/25131362114J75131651122115351236.1831236.512151221221221141447.47.181548*2221224CZ

46、191+5V+5V多功能数字频率计2JK1bJK2aQ51Q12Q03Q24Q65Q76Q37Q89Q410Q911CO12EN13CP14R15401732EN134CP14R157104017CK1EN2CLR7Q03Q14Q25Q364518ACK9EN10CLR15Q011Q112Q213Q3144518BCP01CP14MR2Q03Q15Q26Q3774390ACP015CP112MR14Q013Q111Q210Q3974390BCK1EN2CLR7Q03Q14Q25Q364518ACK9EN10CLR15Q011Q112Q213Q3144518BCK1EN2CLR7Q03Q14Q2

47、5Q364518ACK9EN10CLR15Q011Q112Q213Q3144518B562K9CZ192+5V多功能数字频率计3JK2bJK3aCP01CP14MR2Q03Q15Q26Q3774390ACP015CP112MR14Q013Q111Q210Q3974390BK2K5aK5bK5cK5dK5eK5fK3K4K6K7472562562CZ193+5V多功能数字频率计4JK3babcdefg561*7A7B1C2D6L/S5BL4LT3a13b12c11d10e9f15g14451112*3CLK12LE10DIS11MR13C1A4C1B3Q09Q17Q26Q35OVF14DS12D

48、S21DS315455313*3abcdefg561*7A7B1C2D6L/S5BL4LT3a13b12c11d10e9f15g144511CLK12LE10DIS11MR13C1A4C1B3Q09Q17Q26Q35OVF14DS12DS21DS315455313CZ194K2K2自制三位半LED数字万用表1IOG7805COMCOM20A20AA/A/Vac.dcac.dcac.dcPNPNPN+5V+5V+6-9V20A200A2mA 20mA 200mA 2A200mV 2V20V 200V2KV2002K 20K 200K2M20M.1EBCBCEEE3652A140.01151515

49、151514141414141414225474432223131313121211111.0.1173613623642451616161622414151512324/43140324/45.CZ195-5V小数点+5V+5V自制三位半LED数字万用表2+S1du2cu3bu4au5fu6gu7eu8dt9ct10bt11at12ft13et14d115b116f117e118ab119pol20PG21g122a123c124gt25-S26INT27BUF28AUT29INL30INH31COM32-C33+C34RL35RH36TES37osc338osc239osc140a1a2a

50、3a4b1b2b3b4c1c2c3d1d2d3e1e2e3f1f2f3g1g2g3710747315153683154.74.72212112.12242244069CZ196 数字万用表常用A/D芯片参数表型号代换型号供电 电压范围 典型电压 典型电流功耗输入阻抗转换速率秒/次封装 显示ICL7106ICL7136NJU9207TSC818ATSC818D7139/49ICL7135ICL7129ICL7107ICL7137C14433HI7159CH7135NJU9202ICL71075G144333.5位3.5位3.5位3.5位3.5位3.5位4.5位4.5位5.5位3.75位41段功能