实用电路图第7集

1、实用电路图实用电路图第第FD2FD2集集低频放大器低频放大器上集封面编号应为FD1集，请更正说 明电路，是一切电器的核心与灵魂。电路是有生命智慧的，产力的发展。将其结合到人们的创新创造中，已经并将继续极大地推动生实用电路图收集了大量生活和生产中可直接使用的电路，希望能对人们的生产生活提供一点启迪。本手册中电路收集历时多年，查阅大量的书籍报刊以及电器说明书，近年又在互联网上广泛搜索新发电路，以公开实用为选择电路的基本原则，以方便学习、交流的电路图格式绘制。为便于阅读，本手册大致按电路功能分为26大类，每类以功能相近再分若干小类，以小类为主每100个电路为一集。Y音频电路 Z振荡电路W温度湿度T通

2、信电路R收录电路V电视视频S时间电路Q其它电路X显示指示N非电测量O游戏玩具U医疗保健P音响功放F放大电路E电源电路B报警电路G光电电路J家用电器 K控制电路H保护电路 I仪器仪表D数字电路A基本电路C电路测量L遥控遥测 M行业电路大类为：本手册中电路元件数值采用最简标注，数值后边为零的，一律以零的个数做数值的个位。其单位为：电阻-，电容-pF，电解电容-F，电感-H。数值最后不为零的，以小数点分割，还有晶体管等缩写示例如下：1568122.3.3.016843368.3.91.2221268.4.7.22G6131815G115X31100K680223.30.01680000pF3000p

3、F68pF3.9pF1pF2200F100F68F4.7F0.22F3AX313AG190153DG690132SC1815INOUT电路地接大地或者电器外壳输入端，由某处来，电源输出端，到某处去由于本手册电路图数量庞大，难免有错误遗漏之处，敬请指正。本手册电路仅供学习交流，非商业用途。对多功能电路，按其主要功能归类，而不再在其它类别中出现，以尽量减少重复。部分电路地何应成 QQ:3341795246QQ:3341795246下载打开后，按F5观看，按键依次查看，在目录页左击电路名称前页码直接进入该电路图，从本集起超链接请读者自行设置。目 录 1789101112131415161718192

4、122232425262728293031206500倍电压放大器手动增益控制录音放大器低失真大动态DC前放-唱头放大器低失真大动态DC前放-磁头放大器低失真大动态DC前放-线路放大器可与NE5532相媲美的分立件前放大动态DC高保真前级放大器优质前置放大器含语音预加重的优质话筒放大器FD100FD101FD102FD103FD104FD105FD106FD107FD108低噪声麦克风放大器改进型磁头放大器LM324交流信号三分配放大器FD109FD110FD111优质低噪前置低放四合一10倍音频前置放大器10倍高保真前置放大器1.5V双前置放大器BA3413F多用前级放大器优质单级前置放大器

5、FD112FD113FD114FD115FD116FD117性能优良的大动态前级放大器NE5532优质立体声前置放大器超低噪声前级放大器IC:IRFT003内电路SAM高保真推动模块内电路FD118FD119FD120FD121FD122FD123FD124F-9500A反馈电路F-9500A输出电路目 录 232333435363738394041424344464748495051525354555645前置放大器高阻抗差分放大器FD125FD126运放之皇NE5535唱头放大器运放之皇NE5535磁头放大器80db双前置放大器BA3304多功能Hi-Fi前置放大器：输入多功能Hi-Fi前

6、置放大器：降噪多功能Hi-Fi前置放大器：控制多功能Hi-Fi前置放大器：线放多功能Hi-Fi前置放大器：电源FD127FD128FD129FD130FD131FD132FD133FD134FD135多功能Hi-Fi前置放大器：耳机NE5534低噪声电唱机均衡放大器FD136平衡输出放大器高级语音前置放大器STK4191大功率优质扩音机推动级噪音低于1nV/Hz的前置器放大TA-1500前置音调唱机输入电路胆石混合前级放大器电子防震耳塞高阻抗低噪声前置放大器FD137FD138FD139FD140FD141FD142FD143FD144低阻话筒前放压控可变增益放大器11倍JFET放大器高低阻抗

7、变换器低噪声话筒放大器FD145FD146FD147FD148FD149目 录 357585960616263646566676869717273747576777879808170高阻抗低电容放大器超高增益音频放大器JFET高增益放大器拍手声音信号前置放大器FD150FD151FD152FD153100倍互补达林顿电路7万倍电压放大器高输入阻抗低噪声前置放大器单管磁头放大器单管录音放大器（带ALC）多路话筒放大器GF-777低噪声前置放大器M9990K低噪声前置放大器FD154FD155FD156FD157FD158FD159FD160FD161GF9191低噪声前置放大器FD162两级射极

8、输出器低压150倍双锗管放大器100倍达林顿电路高输入阻抗高增益放大器高稳定高增益串接放大器对称混音放大器电路简洁的十倍线路放大器纯直流甲类十倍放大器纯直流甲类十倍放大器电源FD163FD164FD165FD166FD167FD168FD169FD170FD171放大26万倍的低压放大器放大10-14万倍的低压放大器具有电子管特性的前置放大器FD172FD173FD174目 录 4828384858687888990919293949697989910010110210310410510695DS-9908胆前级胆石SRPP加甲类低阻输出前放音色优美的CD4069线路放大器DS-9908SRP

9、P胆前级高保真磁头均衡EQ放大器高保真唱头均衡RIAA放大器FD175FD176FD177FD178FD179FD180高保真线路放大器场效应管高级低噪音前置放大器简易优质全对称前置推动放大器46db(208倍)高级磁头放大器26db(20倍)高级线路放大器36db高级唱头放大器FD181FD182FD183FD184FD185FD186音频输入放大器高级双十段频率均衡放大器高级双十段频率均衡调节器FD187FD188FD189双声道音频电压放大器双音频电压放大器M51521AL双音频电压放大器M5138P100db双电压放大器TA7325双前置放大器NE54210倍直通放大器磁头放大器频率均

10、衡放大器十兆欧场效应管输入缓冲放大器FD190FD191FD192FD193FD194FD195FD196FD197FD198FD199 用晶体管提高场效应管的放大能力K30*2低失真大动态DC前放-磁头放大器32IN+15V-15VO1120ns70ns15151515471124.714142735V6FD100A1015*2141815*247.82391262247182.471271221221822362362124632472低失真大动态DC前放-唱头放大器O23247.912472181362362622471471271221221912154IN+15V-15VK30*2A

11、1015*2141815*215151515471124.714145125V6822333FD101低失真大动态DC前放-线路放大器O1O2471473OUT32912472362362622471471271221221513+15V-15VK30*2A1015*2141815*215151515124.7141447.5V682233522168312233.33.36.36.K215247318151015FD102472可与NE5532相媲美的分立件前放A872C1775A872C1775A872C1775141416231292121256151.51.331331S1588*21

12、6IN+15V-15VOUT2SK68A*62SK30AGR22.68447.47.1212FD103大动态DC高保真前级放大器C1845A992B716A1209C2911D75614C1845A99212147347347312123933934724724724723613611W111W1168.1527256213146.86.81113V+V-INOUTFD104优质前置放大器C2240D756B716A970KC2240A97054544733923923923921414121212122423271271473121211151516111225+20V-20VOUTCDTY

13、PEAUX1AUX2FD1051456056356356314220220242153153561561ii+12v-12v6500倍电压放大器Ri=184Ro=81FD10614RL24473LC471132202223323324724735632356156147315314824+14VIN指示out手动增益控制录音放大器221134.72.22.21.1.1111124.714FD1071412含语音预加重的优质话筒放大器1313244724724724724731722322339239268268222312312214BC182C900151111121222114161614

14、22253535439212VFD108S1低噪声麦克风放大器22222245622211221286256.29V123567MA7021568247.47.22147.FD109改进型磁头放大器5532/215123315151414333324.74.74.712515532/2outin+15V+15V-15V-15V1234567848FD110LM324交流信号三分配放大器324/4324/4324/4324/415154.7111111V+ViVoVoVoFD11110倍高保真前置放大器CA3193141515IN+15V-15VOUT234674.7D4.7D47.DFD112

15、优质低噪前置低放563563563563563154221221333394+15V-15VINOUT23467输入短路输出噪声24uV输出8V时失真0.01转换速率13V/1nms频率响应10Hz-150KHz/3dbTL071391473473473473473391272143DJ4F*222.22.22.22.221221221221FD113四合一10倍音频前置放大器55344731121516113473163115inout+15V-15V4757513323368.22.47.FD114多用前级放大器5532/2R1R2R3R4R5R6R7221R8221C1C2C3C4E1E

16、2E3E412E51212V12VKV+V-INOUT元件选择表动圈话筒放大器磁头信号均衡放大器唱机均衡放大器十倍平直线路放大器立体声扩展器耳机放大器重低音电路激光唱机有源滤波器用途R1R2R3R4R5R6C1C2C3C4E1E2E3OOOOOO223141515151515151515473C=12513513222155121525133627525132226825124725115115113333OOOXXXXXXXXXXXXXXXXXXXXX1313132513315633333332231422210.10.10.10.10.10.10.10.10.10.10.OOOOR=13R

17、=18247.47.47.12221221X12121511415247.152473FD1151.5V双前置放大器BA3413F1832.2680221222332682184BA3413F12345678910111213141516183221222332682184正反转金属带+1V5+1V5LoutRout1313131322322347.47.47.4.74.7221FD116优质单级前置放大器545454OP275GPA1015A1145C1815C27051347433351151133.33.244222471141524742244733336821515121212221

18、124148*4+18V-18VINOUT音频旁路开关FD117153NE5532优质立体声前置放大器IC15532/2IC25532/21515153347133.12142222231.1.33.IC15532/2IC25532/21515153347133.12142222231.1.33.in1in2out2out14714712212211212131313139-12V*24488220VFD1181515超低噪声前级放大器HA120171515151515152222235252545423A733K30A151.4.733.3.3125112521434339383OUT1OU

19、T2OUT+22.5V-22.5V+21V-21VMM唱头TAPECDFD119SAM高保真推动模块内电路K373NPD5564C2240*2C2705*2NA1145*291.91.751752141414151121121123456789FD120性能优良的中联F-9500A大动态前级放大器47247313131368318218218218227127127127113131313131318247347247222222247347351151147.47.221221J1J2J3J4J51518V18V4.7V4.7V47.47.12121212151515151515684AB1

20、31368318218218218227127127127113131313131318247347247222222247347351151147.47.18V18V4.7V4.7V47.47.12121212151515151515684EDC+42V-42VLinCDAUXTAPETUNERPHONOFD121Q1C2240Q2C945Q3C945Q4C2240Q5A733Q6A970Q7A733Q8A733Q9A733Q10C945Q11A733Q12A733Q13C945Q14C945Q15C2275Q16A985Q17C2240Q18C945Q19C945Q20C2240Q21A7

21、33Q22A733Q23A733Q24A733Q25A733Q26C945Q27C945Q28C945Q29A985Q30C2275Q31A733Q32A733741151547327315545468318315135555552626563562562272CAR CHDEFEA(ON/OFF)主要技术指标：频率响应：总谐波失真：性噪比：通道分离度：最大不失真输出：音调控制：高中低音0-100KHz (0.1db)85db80db40VppFD122 F-9500A反馈电路1314242514157411515262633133315315316DELoutRECMIDRMIDLOFD12

22、3 F-9500A输出电路IC:IRFT003内电路MNMPMNMP123456789FD124R2R4in-in+outR2/R1=R4/R3时Av=R2/R1高阻抗差分放大器OP07BUF-01BUF-01R1R3FD125前置放大器TL084/4TL084/4141414141414242439.473604.68.68.68.68.-24V-25db/600om-13db/600omF=0.3-4KHzFD12680db双前置放大器BA3304CITCIT2212215625621541542213V1234567891011121314121222322322147.47.47.4.

23、74.7FD127BA3304运放之皇NE5535唱头放大器1515151471out+15V-15V1.72.63.5487525535111112131414FD128运放之皇NE5535磁头放大器151512471out+15V-15V1.72.63.54847155351333311221FD129K6多功能Hi-Fi前置放大器：输入151515AA卡拉OKTAPEPHONO/EQTUNERCDAVAUXREC/OUT同上5532/21.FD1301.多功能Hi-Fi前置放大器：降噪AALM1894J1J1151513+15VBB1234567891011121314121.1.1.1

24、51513473392392FD131多功能Hi-Fi前置放大器：控制BBLM1035响度1234567891011121314151617181920473473473473473473473473CC+15V低音高音音量平衡onoffK2141433433422422422422447.111122.FD132多功能Hi-Fi前置放大器：线放CCJ215151514DDJ2LoutRout同上5532/21.1.1.47.PBX251FD133FD134 多功能Hi-Fi前置放大器：耳机DD151222722212215625626.81511W6.8uh+15V-15V同上2345678

25、553425147347315.154RCA31RCA30多功能Hi-Fi前置放大器：电源220/24V*2IOG7815IOG7915IOG780913333FR204*413333-15V+15V+9V1322131313OU353/2353/215151533433433433.33.121212132222221111FD135J1J2K2K3K4K3K423456782345678131415471471471473473563683622472+15V-15V-15VNE5534低噪声电唱机均衡放大器NE5534NE5534111122.2214714736816820-210-2

26、1FD136STK4191大功率优质扩音机推动级5621521521523941535611414223223141456156313JK223473473473in+15V-15V41914.747.47136.33136.151526824731382/24558/2473473FD137高级语音前置放大器4737531222214*15*inout-15V-15V1235688321LM394LM318FD138333美声TA-1500前置音调唱机输入电路5532/25532/25532/2高音15低音15中音15音量15MICinRinR-PHONOin4731521523945645

27、62562512561141414142232235613943331312473A1015平衡15话筒音量473RoutR-PHONOout4711536.4731121526824.74.74.747.47.22.22.1214272223-15V+15V4.7L功放FD139153噪音低于1nV/Hz的前置器放大6811681149.949.949.914RG1314142449.922132213OP275GP/212OP275GP/2SSM2017P-21V+21V+48V-IN+IN12345678+-OUT123456785V65V61212472151533.1N450*247

28、.47.47.2221.1.1212FD140222平衡输出放大器56356356356322322322312312327212V12V10Hz600负载失真小于1，总增益为20db7417414744741.1212FD141G6G6G6电子防震耳塞过大声音输入时放大器阻塞无输出.HTCK33.1.4.74.7472FD142X311V51313131315333363331G6J4高阻抗低噪声前置放大器INOUT+12VFD143571616415318262375439312393474413113.33.3122214.7146N11J/26N11J/2胆石混合前级放大器K389J1

29、09D669C2240C2240C2240B649A960A960A9601313232323231515473473272332368133.33.1122422422413472CTZ16151515221114714711111IN1IN2+210V+36V-36VOUT1OUT2333FD144高低阻抗变换器132252N545911FD145+12VINOUT11倍JFET放大器JN2232242221121.0.5+24VinoutFD146话筒16562151242+9V低噪声话筒放大器32131.1.1414FD147472RxOUT+6v15.低阻话筒前放FD14811474

30、压控可变增益放大器衰减达100DB频率达11MHZ2N4091*3161613OUTIN-10VFD1491717V+outinJFET高增益放大器Av=/2=500typ16FD15017outinV+高阻抗低电容放大器2N5485PN5139121313131417FD151B8.473562182622183-6V拍手声音信号前置放大器4.74.74.7X31X31273FD152超高增益音频放大器Av=5001717172N36842N368615outV+inFD153100倍互补达林顿电路.N.P1522224731231239427412124.74.7outin+15vFD15

31、4单管磁头放大器CIT16153470222+5V功放4.74.71422215X201FD155Ro=3.0Ri=25248238238234724723332223932231241511282.151-15v+15vi+i-7万倍电压放大器47261C27FD156RL单管录音放大器（带ALC）1615347.22214+5V功放HT47247222222168247.12122214.74.747415222223AP9X201X201FD157多路话筒放大器2212143436262147218V1路n路2232232121311212154FD158G201G20168.13222

32、75216332512820183515+6V-6VINOUT高输入阻抗低噪声前置放大器输出范围：2.5V输入阻抗：10M电压增益：35db噪声电压：0.54V1511512213AG473DJ7FFD159M9990K低噪声前置放大器CIT10VOUT均衡1682422356.22.472*6.8V1522214.70.111FD160C693GC693FGF-777低噪声前置放大器331131368256327322412VOUT均衡33.2216814.71122112471C2240C732FD161GF9191低噪声前置放大器CIT4.7Vcc均衡223151822274392131

33、3684271681123310.11111FD162C1682C16821515voi100倍达林顿电路Ri=683FD163124.747347322227143.681纯直流甲类十倍放大器MPQ6700/4MPQ6700/4MPQ6700/4MPQ6700/4152121212391471474131415215212222IN13OUT+24V-24VIc=1-2mAIc=10-20mA电阻全部为1/4W金属膜。1235678910121314131515FD164IOG7824IOG79241315471LF353/21315471LF353/228Vac28Vac+24V-24V纯

34、直流甲类十倍放大器电源1515151539.39.4724724714711.1.11111111121215V15VFD165高输入阻抗高增益放大器47217161614+9Vinout4-4.5VKV=500F=0-24KHz3DO1-43DO1-43DO1-41512FD166高稳定高增益串接放大器BG1BG2B2R1R2R3R4B1E+C1C2C3C4FD167762*682*82151147247212750outin-1.5V低压150倍双锗管放大器FD1683.32212213.3X31BX31B3.3VSRe1512Rb1474Rs15Re213Rb2144RL13-1.5V两

35、级射极输出器FD169X31BX31B11111.电路简洁的十倍线路放大器INOUT22318212151556132K2N57862N57682N56871351.18V47.1112FD170对称混音放大器124363363363363512512512OUTIN2IN1-6V1515X31*31111FD17112421mw8r0.41v21mw0.15mv2mv50mv40mvAV=1645uv4r0.49v60mw AV=980.11mA0.87v0.83v0.12mA0.86mv0.18mA0.38v1.2mA0.41mA1.4ma1.45ma3ma3ma7.6mA0.5vAV=2

36、0AV=20AV=31AV=0.84AV=14放大10-14万倍的低压放大器13562150.51V51621625615612422420.51133143443451.12474HT12121.1.4.74.7122212214.44034401BC547C44034401BC547CBC547CBC547C5625624.74.71412KFD17250mv用protel仿真设计的微音放大器放大26万倍的低压放大器5uvpp0.3mvpp6.5mvpp180mv75.22251.HT47.1.8.44034401BC547C44034401BC547CBC547C562K3V166821

37、21291468291447.47.11112.222.13FD173用protel仿真设计的微音放大器47351218411116512512331184183135331681133415152681INOUT+30V具有电子管特性的前置放大器BF244AVN10KMBF244ABF244AFD17433.47118315151222.4714716N8P/26N8P/26N8P/22W4722W472273273273331314161668147154+250VINOUTDS-9908胆前级FD17515151515141422468.400V68.400V68.400V6N3/26N

38、3/215232W6212W6212W4322W4322212749101313274+200V+42V-42VOUTINIc=30mA胆石SRPP加甲类低阻输出前放FD176144742242242.247.47.38V*2K214D6693356311515in1in2out1out2+9V+5V714Av=R2/R1=11R2R1输入阻抗=85K输出阻抗=2KVoutmax=1.5V失真度0.5频率响应6Hz-250KHz音色优美的CD4069线路放大器FD1774.7515151.3356311515+9VR2R14.7515151.40693236236222122122147147

39、1271128221349.1124472632+15V-15VOUT高保真磁头均衡EQ放大器AV=46dbFD1784774.71515A1015181514K44A10151815K445V6325V6362362221221221471471271128224739.1154471912+15V-15VOUT高保真唱头均衡RIAA放大器电唱头AV=36dbFD17947.15154.74.71447112512333A1015181514K44A10151815K446N8P/26N8P/2542W472472473474474681681152152+300V

40、OUTINDS-9908SRPP胆前级FD18068.400V68.400V47.15152244744746821416116116116216222168482224224243251333333336.36.472RoutLout+15V-15VRinAV=26db高保真线路放大器FD181K30A1015181514K30A10151815A101518151524734.74.74.73354.75V64.7473153214G6J7FG61512121212321334*3323613613621524472472+15V-15VVo场效应管高级低噪音前置放大器47.1212121

41、247.333222113FD182CG21CG21J4E*2简易优质全对称前置推动放大器27127134342212214724724724723332732723415.15.14in+25V-25V功放输出端outAoutB12125252FD183CG3CG21G12G862126db(20倍)高级线路放大器ABLoutRoutL912131621621247147127122122132+15V-15V4711447.47.SK44*25V6A1015*2C1815*28224.74.7221684K3335A1015C181536.36.333333152473473154734.74.74.7FD1841446db(208倍)高级磁头放大器221912131621621247147