1、实用电路图实用电路图第第PD1PD1集集低频放大器低频放大器说 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通信电路R收录电路V电视视频S时间
2、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:1568122.3.3.016843368.3.91.2221268.4.7.22G6131815G115X31100K680223.30.01680000pF3000pF68pF3.9pF1pF220
3、0F100F68F4.7F0.22F3AX313AG190153DG690132SC1815INOUT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,看完左击图纸返回目录。目 录 178910111213141516171819212223242526272829303
4、120LA3160/61/UPC1228H音频前放52db同相交流放大器LM358前置放大器60db超低噪声前放低噪声RIAA前置放大器RIAA低噪声前置放大器低噪声NAB前置放大器话筒放大器40db低噪声放大器FD0FD1FD2FD3FD4FD5FD6FD7FD8FD9LM358前置放大器快速电压跟随器80db(10000倍)放大器FD10FD1140db(100倍)放大器NBA低噪声磁头放大器55db放大器RIAA低噪声前置放大器RIAA超低噪声前放RIAA放大器NBA低噪声磁头放大器FD12FD13FD14FD15FD16FD17FD18用1.5V电源的运放微音放大器JFET前置放大器音
5、频三分配放大器双前置放大器LA3160LA3210磁头放大器音频AGC放大器FD19FD20FD21FD22FD23FD24目 录 232333435363738394041424344464748495051525354555645BA328双磁头放大器微信号放大器高精度电唱机均衡放大器FD25FD26FD27AN7310磁头均衡放大器AN7310唱片均衡放大器优质低噪声磁带前置放大器优质低噪声唱机前置放大器5532/5高品质磁头放大器5532/5高品质电磁唱头放大器5532/5高品质线路放大器5532/5高品质图示均衡放大器5536/5高品质音调控制放大器FD28FD29FD30FD31F
6、D32FD33FD34FD35FD36AN360话筒前置放大器NE5534低噪声磁头放大器BA328双前置放大器双前置放大器BA328双前置放大器TDA2320A双前置放大器TDA2320ATDA2320A:有源分频器低电压双前置放大器TA7709P/F双前置放大器单声道应用FD37FD38FD39FD40FD41FD42FD43FD44FD45优质电磁式唱机前置放大器带音调控制的前置放大器高增益低噪声双前放TDA1522双前置放大器BA328FD46FD47FD48FD49目 录 357585960616263646566676869717273747576777879808170低电压前放
7、TA7739P/F电磁拾音头前置放大器双前放PC1228H/HA双前放PC1228H/HA双前放PC1228H/HAFD50FD51FD52FD53FD54PC566H3/HA3内电路PC566H3/HA3前置放大电路拾音器EQ音频电压放大器M5219L/P113db音频电压放大器M5220L/P低噪声前置放大器LM38210倍(20db)高保真双话筒放大器音调放大器FD55FD56FD57FD58FD59FD60FD61低噪声双前放LM381/A低噪声双前置放大器NJM2043FD62FD63双前置放大器BA3302105db前置放大器HA1201778db*2双前置放大器LA3161音频电
8、压放大器TA7063P音频电压放大器TA7120P双前放LM387/A:平直放大器双前放LM387/A:NAB放大器92db音频电压放大器TA7136AP双音频电压放大器FD64FD65FD66FD67FD68FD69FD70FD71FD72100db音频前置放大器PC1228HANE5534-RIAA均衡放大器FD73FD74目 录 4828384858687888990919293949697989910010110210310410510695电磁拾音头前置放大器高保真前置放大器1高保真前置放大器2高保真前置放大器3FD87FD88FD89FD90线性放大器优质电磁唱机均衡放大器极低噪声
9、的音频IC唱头放大器对数放大器采用TL084的磁头放大器有静噪的85db高品质前放有自动电平控制的音频前放超低失真超低噪声的前置放大器超低失真前置放大器电源FD91FD92FD93FD94FD95FD96FD97FD98FD99四磁头放大器TA7739双磁头放大器UPC1032双磁头放大器TA7709双磁头放大器TDA2320双磁头放大器LA3161双磁头放大器LA4520双磁头放大器M51164FD75FD76FD77FD78FD79FD80FD81优质电子三分频放音机前置级优质电子三分频放音机分频级磁带前置放大器磁带放大器性能优异的音频放大器LM1837FD82FD83FD84FD85FD
10、86RIAA低噪声前置放大器OUT电磁拾音器+24V97421FD01.2113LM38133151512547324124240db低噪声放大器OUTIN+24V12479FD1LM38111111416124话筒放大器HT333273131314OUT456FD2RC4136R3R2R1Av(AC)=(R1+R3)/R3Av(DC)=(R1+R2)/R252db同相交流放大器OUTI+24V56127322464321FD3LM3871.11234674731515125181+12V-12VVo低噪声RIAA前置放大器FD4OPA602SS15131315.234674732511326
11、881+12V-12VVo低噪声NAB前置放大器FD5OPA6029116472CIT偏压调节60db超低噪声前放+24Voutin25236.3633931597654321FD6LM381A12111122R3R1R24.74.7+1.5-15V-1.5-15VINOUTR3=R1KV=R2/R1LM358前置放大器双电源FD7LM358/2R1R2R4R54.74.7+3-30V+3-30VINOUTKV=R2/R1R4=R5=34-15单电源FD8LM358/2LM358前置放大器912912181181+6-16VOUT1OUT2IN1IN212345678+-LA3160/61/U
12、PC1228H音频前放FD9LA3160/61UPC1228H22.22.47.472.22.21247133433414141313快速电压跟随器CA301A3132VinVout1236FD1014+12VIO12345671180db(10000倍)放大器FD11LM38215212140db(100倍)放大器FD12+12VIO123456711LM382152112479225181623+24V244NBA低噪声磁头放大器outFD13LM3811.21152+12Vin12345671155db放大器outFD14LM382211516241242电磁拾音器47315151234
13、6+30VRIAA低噪声前置放大器outFD15LM38733751211.12345679154513473392252in+24V偏压调节47524752RIAA超低噪声前放outFD16LM381A112211.32663153+12V12345671147313RIAA放大器outFD17LM38247.16152334SS225181623+24V24412346NBA低噪声磁头放大器outFD18LM3871521.21Zout=600/5kHzAv调整用1.5V电源的运放微音放大器LM10162251635361662514152235134.74.7HT+1V5+1V52346
14、718FD19EJCIT3315356368215241out+14.5VLA3210磁头放大器123456789152121322347.1111121211FD20LA3210Vcc+inVcc+音频三分配放大器outoutout151515161.121584/484/484/484/41234567891011121314FD2122422416683682334472472+8V+8V-8VLR音频AGC放大器2.22.21.324/414APCPFD2214RW1RW2RRR/2R/22.5RRdCdin+in-v+v+v-ib+ib-IbJNRRW1 RW2 NA1RdCd50p
15、A1pAAD3954-8AD5906-9253154231413532N48802N4880AD741CAD502J22215347454JFET前置放大器A1outNNJNJNFD234713321547133215VccLinRinRoutLout双前置放大器LA316012345678LA316013133434111112124.74.7FD242222RFRFRFRFRF1RLRRFWR1R1-12V+12V1234567891011微信号放大器ICL765015151515C2DW7B2DW7B511511FD25473795068368268233239222375156-171
16、4+15V-15VINOUT高精度电唱机均衡放大器LF3533247315114.7FD26J8560272154560272154122+14.5VLoRo12345678BA328BA328双磁头放大器111147.47.12152152333333FD275532/5高品质磁头放大器4711515outin+15V-15V5532/25535/2114.72211336212333FD285532/5高品质电磁唱头放大器4711515outin+15V-15V5532/25535/2114.7121375215114333FD295532/5高品质线路放大器144711515outin+
17、15V-15V5532/25535/2114.747.13FD30LR131215272+14VLoRoAN7310磁头均衡放大器4.74.71.47.15215233312152721.47.333123456789AN7310FD311112AN7310唱片均衡放大器1312+14VLoRo4.74.71.47.152152223121.47.223123456789AN73102525153153472472SSSSFD321112151512362152473511221221IN+28V-28VOUT优质低噪声磁带前置放大器HA12017131233352471471221114.7
18、24V24VFD335532/5高品质图示均衡放大器+15V-15V+15V-15V4734734735613314141414223Rinout5532/25535/25532/25535/247312682152223FD345536/5高品质音调控制放大器332332512outin+15V-15Vzz5532/25535/23332221514.71515FD35优质低噪声唱机前置放大器1515362152473511221221IN+28V-28VOUTHA1201713123335247147112114.724V24V15175214FD3612152721215272333Ri
19、nRoutLoutLinBA328双前置放大器12345678+15VBA3281313333333111147.47.4.74.7221FD372345678NE5534低噪声磁头放大器471471151536251222.-47.+15V-15VNE5534133330-211211FD38K1368双前置放大器单声道应用BA328/2BA328/2FD39双前置放大器TDA2320A151832822+3-36V0.8mA45678(1)(2)(3)24823151184153TDA2320A/222.4.71.22.2211514FD40双前置放大器TDA2320A1315124183
20、821223224+3-36V0.8mA45678(1)(2)(3)TDA2320A/222.4.71.111233215315FD41HT153512122472473+14Vout1234567AN360话筒前置放大器1.111133.47.331AN360FD42TDA2320A:有源分频器141456214562223+15V-15V12345678LHINTDA2320A/2TDA2320A/22245624741512356215562535315FD43低电压双前置放大器TA7709P/F82.82.562562272272392392394394184184TA7709P/F1
21、.6-5V123456789101213151618318322422422.47.1.1.47.FD44K3K3双前置放大器BA328磁头唱头收音磁头唱头收音RoutLoutLinRin+12V12345678BA32833333333333314141313FD4515151515151536236275275227.27.1111111147.47.双前置放大器BA328BA3281414222222272272151533112V12345678AB221111111112.22.247.47.33333351.51.1515141414FD46高增益低噪声双前放TDA1522TDA1
22、5226836838.25624728.2562472V+V+123456789V+:7.5-23VI+:5mAKV:90dbVout:1.5V/msS:0.05Ri:200kRo:1k2.21111221221223223FD47带音调控制的前置放大器5313134734732241414332683IN+9V-9VOUT12345678TLC272/2TLC272/268.241447.1515332332333333332151514FD48优质电磁式唱机前置放大器1515416122124274474473471563K21515416122124274473K29-12V123456
23、781-5mV1-5mVMICMICPHONOPHONO1458/21458/24.74.74.74.74.74.712721721272272FD4911低电压前放TA7739P/FTA7739P/F1268282327239212682823272392+3V12345678910111213141516正反普金47.4.74.71122.22.183183183183FD50电磁拾音头前置放大器3321244732723323931231231420V747/2747/21.4.6.5115223FD51双前放PC1228H/HAUPC12281216222246-16VOUT1OUT2
24、12345678121622224.47.4733.33.2.22.212153153SSFD52双前放PC1228H/HAUPC1228CIT1819123346-16VCIT181912334OUT1OUT212345678122.22.2.47.4722.22.1414FD53双前放PC1228H/HAUPC12281813346-16VOUT1OUT212345678HT333182181334333182141422222218118122.22.2.22.2.47.4712FD54拾音器EQ音频电压放大器M5219L/PM5219L1515131414470513125634721
25、5151347051312563472outoutinin30V30V123456783.33.32212212.22.247.47.12121212563563163163FD55音调放大器TL082/21415151616332471ViVoFD56PC566H3/HA3前置放大电路14151543932236828VINOUT1234567Avo=72.5dbAv=46.5dbIcc=1.5mAVom=1.75VppRi=154Vinm14)Vout=11.5V(Iout=25mA)Vin=0.3mVFD62低噪声双前放LM381/ALM381151231231512312324V124
26、78913141.1.1515FD63105db前置放大器HA12017HA1201715152411650152432511357821023+24V-24VINOUT12345678113.33311296513431252FD6478db*2双前置放大器LA3161LA316112157521511215752in1in213.2Vout1out21234567815313131111111147.47.47.FD65153双前置放大器BA3302BA330215152722721414681RfRf123456783-14V111122147.47.1111333333FD66双前放L
27、M387/A:平直放大器561151222314V1.82.74.536LM3871.151FD67音频电压放大器TA7063P14154153932236828V1234567TA7063P4.71111111224FD68音频电压放大器TA7120P8V123456715333513563473312731122.22133.TA7120PFD69双前放LM387/A:NAB放大器56114V1.82.74.5361546841833321.472LM387FD7092db音频电压放大器TA7136APTA7136254254563581393393123165611516+17V-17V
28、INOUT1234567847.47.1.1.1151128218211415FD71双音频电压放大器14VM51522AL12345678752753754141375275375414132323332332131347.47.1.1.1111121212FD72100db音频前置放大器PC1228HAuPC1228CITCIT181912334471181912334471V+12345678.47.472.22.222.22.1414FD73NE5534-RIAA均衡放大器473683795.5614751223682682392332+18V-18V20db30db40db55343
29、3115473114.7FD74J8双磁头放大器TDA23201512418382122322413inout+15V12348TDA2320A/23351531222.114.71.(5)(6)(7)FD75四磁头放大器TA773912128238236826822722723923921414TA7739Vcc反正金普通1234567891011121314151618318318318322.22.1147.4.74.7FD76双磁头放大器LA4520473121527233341414LA4520473121527233341414123456789101112131415161718
30、1920V+磁带磁带收音收音2433333333333322422447.47.47.2212211212111147.47.47.11FD7732.32.双磁头放大器UPC1032V+12345678UPC103224241.1.FD78双磁头放大器TA770982.562184272392394TA770982.562184272392394金普V+1234567891011121314151618318322322322.1.1.47.47.FD79双磁头放大器M51164M51164121533100.V+121533100.124567910111213141516171819203
31、33333131322.22.1111121233.47.33.33.33.33.681681FD80471471双磁头放大器LA316139.51212413V+1234567839.5121241313132424LA3161FD81111147.47.优质电子三分频放音机前置级7VTA7668LRLR1245678910111213161212562562FD821521522232231212224224121.1.22.22.优质电子三分频放音机分频级L512512514514512246236231351351216351251216351426241351268322351491
32、326512242451226514功放功放功放20V20V25152152152142515223223242.2.3.3.3.2.2.FD8314*6性能优异的音频前置放大器LM1837A/RB/RA/LB/L14145631551251447.14145631551251447.RL12V274274静噪1234515222222471*4FD84LM1837磁带前置放大器V+1.142.137.8496842242242432323LM381/21211.2.2.FD85磁带放大器244181623225V+1.142.137.849LM381/21.21152FD86电磁拾音头前置放
33、大器473SS1524124215125V+1.142.137.849LM381/213331.21FD87473152412421221515474151322324315高保真前置放大器1RinR+9-18VLM381/2LM381/2133315211.1.1.1.FD88LM1894高保真前置放大器2RL151513LR+9-18V1234567891011121314151513392392473FD89121.1.1.LM1035高保真前置放大器3LR+9-18V低音473音量473高音473平衡473RoutLout47347347347312345678910111213141
34、51617181920K2224*43943941414FD9047.22.11111.1.超低失真超低噪声的前置放大器1522213131412121213392392R1513RJR2243RJ15+15V-15VPHONOTUNERCDTAPE36247291215470S184471做磁头放大器时代替R1R2改成221234675123333333334714714716841233533547.OP27(5534)1212131315215FD91K47K47C458C458C458超低失真超低噪声的前置放大器电源18VIOG7815IOG79151333318V13333220V+
35、15V-15V12345678LF353/2LF353/24724724744741515151533.33.22222213131111FD92有自动电平控制的音频前放16456312315262125472682511221V+LA321047.47.47.47.47.111111121231FD93AP9AP9有静噪的85db高品质前放8.25624728.2562472683*2静噪TDA152212345678922122111112.2223223FD94极低噪声的音频IC唱头放大器1515471752151+15V-15V1.73.52.648LT105717475131433312SSFD95采用TL084的磁头放大器CIT82.124143324721368321+15V-15V13562154.7124.722384/484/4FD96线性放大器4N255247.12141415+5V+15V21215G24FD97优质电磁唱机均衡放大器473471471139125636226824731553471+18V+18V-18V-18VINOUT5534553422.68.473682471164.722.FD98