MS-20 Voltage Controlled Lim rau Pheej Yig: 53 Cov Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:25

Koj xav tau dab tsi:

Txhua ntu rau kev tsim no

Ib qhov chaw ua haujlwm huv, ua kom pom kev zoo

Koj cov hlau soldering

Zoo solder

Pliers, hlau strippers, tweezers, xijpeem

Hunk loj ntawm daim ntawv loj loj muab tso rau tuav koj txoj haujlwm

Phau ntawv no!

Nco ntsoov, koj yuav xav tau lub zog siv hluav taws xob bipolar txhawm rau ua haujlwm hauv Circuit Court no. Mounting nws rau ib lub vaj huam sib luag thiab nyob rau hauv ib lub thawv yog nyob ntawm koj. Yog tias koj xav pom yuav ua li cas kuv ua nws, hauv cov kaus poom, txheeb xyuas kuv cov vis dis aus txog qhov ntawd hauv Youtube. Nrhiav rau ozerik - uas yog kuv.

Txoj haujlwm no yog ua raws qhov hloov kho me me ntawm René Schmitz 'version ntawm qhov ua tau zoo Korg MS-20 VCF. Lub voj voog no muaj peev xwm ntau rau kev hloov kho, tab sis lub hom phiaj ntawm txoj haujlwm no yog kom txhua tus muaj kev ua siab ntev txaus thiab ua tau zoo tsim lawv tus kheej ua qhov zoo VCF module rau ob peb duas las.

Nrhiav René txoj haujlwm ntawm no

Kuv tus kheej schematic nyob ntawm no

Khoom siv

BOM (Cov Nqi Ntawm Cov Khoom)

(txhua ntu koj xav tau)

• 1 x TL074 quad op amp
• 1 x LM13700 dual OTA
• 2 x 2N3906 PNP transistors
• 2 x LEDs ntsuab 2 x 100K potentiometer
• 1 x 470K resistor
• 2 x 100K resistors
• 7 x 10K resistors
• 1 x 4.7K resistor
• Ib qho ntxiv tus tiv thaiv, los ntawm 2.2K txog 20K … pom cov ntawv!
• 4 x 220R resistors
• 1 x 1 uF electrolytic capacitor
• 1 x 100nF ceramic disc capacitor
• 1 x 4.7nF ceramic disc capacitor
• 2 x 1.5nF zaj duab xis capacitor

Kauj ruam 1: Cov Chips

Zoo, ntawm no yog ob daim ntawv uas koj xav tau. Kev txiav tawm hauv qhov kawg ze qhia tias yog "sab qaum teb" lossis "sab saum toj" kawg ntawm lub nti. Ob daim ntawv no tseem muaj qhov me me ncig kev nyuaj siab ntawm qhov kawg ntawm lub nti. Tus pin nyob ze rau qhov poob yog tus pin ib (1). Cov pins raug suav los ntawm qhov ntawd, mus rau ntawm qhov rov qab-clockwise, hla, tom qab ntawd nce.

TL074 muaj 14 tus pin. LM13700 muaj 16 tus pin. Qhov no ua rau tus pin hla ntawm tus pin 1 ntawm TL074 tus pin 14, tus pin hla ntawm tus pin 1 ntawm LM13700 yog tus pin 16. Yog vim li cas cov pins tau suav tus lej li ntawd vim tias thaum cov khoom siv hluav taws xob tag nrho cov iav puag ncig, yuav muaj tus pin 1, thiab hauv qab ntawm lub raj yuav suav tus lej raws lub voj voog. Hauv daim ntawv no, kuv yuav siv tus lej tus lej txhawm rau pab koj kom tau txais txoj hlua txuas kom raug.

Kauj ruam 2: LM13700

Nov yog LM13700.

Txiav cov pins no luv: 1, 3, 4, 13, 14, 16. Txiav cov pins no kom raug: 2, 7, 8, 9, 10, 15. Koj yuav ua tib yam rau ob sab ntawm lub nti. Ob lub chips peb tab tom siv hauv qhov kev tsim no yog sib npaug, ntxiv rau kev sib txuas fais fab.

Kauj Ruam 3: TL074

Ntawm no yog TL074. Koj yuav khoov cov pins ua ke zoo li ntawd, thiab ua tib yam rau lwm sab. Tus lej tus lej yog 6, 7, 8, 9.

Kauj Ruam 4: Muab cov Chips !

Peb thawj cov laug !!!

Muab LM13700 ncaj qha rau saum - thiab lwm txoj hauv kev los ntawm - TL074. Cov thais hauv cov chips yuav nyob ntawm qhov kawg ntawm qhov tsim. Qhov no yog qhov tseem ceeb heev, txij li lub hwj huam khawm ntawm cov chips tau rov qab los ntawm ib leeg. Cov khub ntawm cov pins uas yuav muab sib dhos ua ke, teev nrog LM13700 tus pin ua ntej, tom qab ntawd TL074: 5 thiab 10. 6 thiab 9. 11 thiab 5. 12 thiab 4. Cia siab tias ua tau zoo, tsuas yog theej daim duab kom zoo thiab muab cov no pov rau hauv pins ua ke, thiab cov pins ntawm lwm sab ib yam nkaus. Txog tam sim no peb tau nyob sib npaug - koj ua dab tsi rau ib sab ntawm txoj haujlwm koj kuj ua rau lwm tus.

Kauj Ruam 5: Peb Thawj Cov Tiv Thaiv

Peb thawj resistors !!!!! Thiab txog tam sim no, peb tseem ua tau zoo sib xws!

Cov 220R resistors no mus rau tus pin 3, 4, 13, thiab 14. Tawm qhov luv luv coj mus txog qhov ntev ntawd, tsis muaj luv dua vim tias cov resistors no yuav tsum tau khoov zoo li hauv cov kauj ruam tom ntej:

Kauj Ruam 6: Khoov Resistors

Khoov cov coj nqes ntawm qhov nqis siab tshaj hauv LM13700 thiab ntswj lawv ua ke. Tsis tas yuav tsum tau muab tshuaj txhuam rau lawv, peb tseem xav kom lawv hloov pauv tau me ntsis thiab ntau lwm yam kev sib txuas yuav ua rau cov ua.

Cov kev coj ua ntev ntawm cov 220R cov neeg tawm tsam no yuav yog peb qhov chaw hauv Circuit Court. Txhua yam uas xav tau rau hauv av yuav txuas nrog rau qhov ntev ntawm cov lus sib tw.

Kauj Ruam 7: Ceramic Disc Fever

Qhov no yog qhov project tig rov qab. Khoov tus pin nruab nrab ntawm TL074 tawm (tus lej naj npawb 4 thiab 11), thiab ntswj cov coj ntawm lub capacitor ncig lawv. Ceev faj nrog ntu no ntawm Circuit Court. Qhov kawg ntawm lub tshuab hluav taws xob no yuav nqa lub zog rau txoj haujlwm, thiab yog tias muaj ib qho luv luv ntawm no, txoj haujlwm yuav tsis ua haujlwm thiab yuav kub hnyiab tau. zoo nkauj loj dua tus nqi hluav taws xob hauv lub luag haujlwm no.

Nws tsis muaj teeb meem txhua qhov twg lub capacitor lub lenticular lub cev tso. Qhov tseem ceeb me ntsis yog khaws cov khoom nqa lub zog los ntawm kev kov lwm yam hlau.

Kauj Ruam 8: Peb Thawj 10K

Qhov 10K tus tiv thaiv no mus los ntawm tus pin 13 ntawm LM13700 mus rau ob txoj kab nkhaus-ua ke ntawm TL074. Koj yuav ua qhov qub ntawm lwm sab ntawm kev tsim.

Nws yog lub tswv yim zoo kom khaws qhov thaws ntawm cov neeg tawm tsam los ntawm kev nias tawm tsam lwm qhov hlau. Cov thav ntawv yog cov khob hlau me me uas yog ib feem ntawm cov coj. Muaj tsuas yog txheej xim pleev xim rau qhov ntawd, yog li hauv qhov piv txwv no, yog tias sab saud ntawm 10K tus tiv thaiv yuav tsum khawb tawm tsam tus pin ntawm ib sab uas nws txuas nrog, cov xim yuav khawb tawm thiab ua rau xav tsis thoob. Qhov no tau tshwm sim rau kuv ua ntej, yog li tsis txhob cia tus tiv thaiv khaus khawb lwm qhov hlau!

Kauj Ruam 9: Tus Kws Tiv Thaiv Kab Mob Peeks hla

Nov yog qhov pom ntawm lwm qhov kawg ntawm 10K tus tiv thaiv uas tseem txuas nrog tus pin 13 ntawm lwm lub nti.

Kauj ruam 10: Peb Thib Ob 10K

Nov yog lwm sab. Txuas 10K tus tiv thaiv rau tus pin 4 ntawm LM13700, nrog rau lwm qhov kawg txuas nrog rau khoov-ua ke pins.

Npaj rau cov ntaub ntawv kos, vim tias txog tam sim no, txhua yam tau ua haujlwm sib npaug. Tab sis tom ntej no!?!?!?

Kauj Ruam 11: Cia Peb Tau Txais Asymmetrical !

GRRRrrtchchchc !!! Peb tau mus thiab rhuav tshem qhov sib npaug ntawm koj txoj haujlwm. Tsis tas li peb tau khawb lub ntuj raug txim tawm ntawm kuv lub ntsej muag Steve "Silk" Hurley EP ua rau nws.

Nov yog 10K resistor uas mus los ntawm ib nrab ntawm Circuit Court mus rau lwm qhov. Txuas ib kawg raws li qhia rau khoov-ua ke pins ntawm hauv qab nti. Pom lub kaum sab xis pom ntawm no thiab ua tib zoo ua kom raug. Thaum koj zoo siab nrog qhov sib koom ua ke, koj tuaj yeem txiav cov hlau lead tawm tam sim ntawd.

Kauj Ruam 12: Coj Kuv Mus Rau Lwm Sab

Lwm qhov kawg ntawm qhov 10K resistor mus rau tus pin 14 ntawm LM13700. Yog, ib qho ntawm 220R cov neeg tawm tsam kuj tseem txuas nrog tus pin, tab sis yog tias lwm qhov kawg ntawm 220R tus tiv thaiv tau ruaj ntseg ntswj rau hauv pawg, nws yuav tsum nyob twj ywm thaum koj rov ua dua qhov sib koom ua ke.

Kauj Ruam 13: Kinks maj mam

Tsiv mus!

Ob tus pin no yuav tsum tau khoov zoo li ntawd. Nov yog TL074, uas muaj 14 tus pin, thiab cov no yog ob tus pin kawg: 13 thiab 14. Khoov 13 nrog me ntsis kink, thiab tus pin 14 tawm me ntsis nrog me ntsis kink. As tsuav koj khoov cov pins ib zaug xwb, thiab tsis ntxhib, lawv tsis mloog kom khoov li no. Yog tias koj khoov ib sab nraub qaum ob peb zaug, nws zoo li yuav tawg, yog li ua siab mos siab muag.

Kauj Ruam 14: Tua Ib co Teeb (Emitting Diodes) rau Clipping

Okay, ntawm no yog kev xav tsis thoob. Lub voj voog no siv LEDs ua ib feem ntawm lub suab hluav taws xob. LEDs tiv thaiv lub lim dej los ntawm kev ua nrov nrov. Ntsuab LEDs yog qhov kuv ib txwm siv, tab sis lwm yam xim yuav ua haujlwm ib yam nkaus, tab sis lawv tuaj yeem hloov tus yam ntxwv ntawm qhov cuam tshuam. Feem ntau LEDs liab yuav ua rau cov lus tawm suab ntsiag to, xiav lossis dawb (lossis liab dawb lossis UV) yuav nrov tshaj, daj thiab ntsuab yog qhov nruab nrab zoo.

Coj ob lub LEDs sib piv (lossis tsis sib xws, ua rau vwm nrog nws yog tias koj xav tau) thiab khoov lawv tib txoj kev ib yam li lwm lub ntsiab lus, yog tias LED yog ib tus neeg zaum, lawv ob txhais ceg yog luv luv. Tsis muaj teeb meem dab tsi, tsuav yog nws yog tib qho. Yog tias LEDs yog tib neeg zaum, lawv yuav zaum hauv cov kauj ruam tom ntej hauv qab-rau-taub qab, lossis "pob taws-rau-ntiv taw", qhov tseeb lawv qhov sib txawv yuav tsum tau tig los ntawm ib leeg.

Txuas thawj LED ntsib txoj hauv kev no, nrog rau sab saum toj txuas nrog tus pin 13 ntawm TL074 (hauv qab nti) thiab lwm ceg ntawm LED txuas nrog tus pin 14.

Sim ua haujlwm sai ntawm no. LEDs yog me ntsis kub-rhiab, yog li yog koj nyob ntev li 10 vib nas this ntawm qhov sib koom ua ke, koj tuaj yeem tsoo LED.

Kauj Ruam 15: LED Zais ntawm LED thib ob

Nov yog LED thib ob. Nws "zaum" txoj cai ntawm lwm tus thiab txuas nrog txhais ceg-rau-ceg nrog lwm tus. Hauv daim duab no, Kuv twb tau txiav cov hlau lead.

Ib zaug ntxiv, sim ua haujlwm sai. Nrog ob qho tib si ua thawj tus LED tuav hauv qhov chaw, koj yuav tsum muaj peev xwm tau txais LED thib ob txuas nrog ib txhais ceg ib zaug yam tsis muaj thawj LED txav mus.

Kauj Ruam 16: Saib ze dua ntawm LEDs

Nov yog qhov pom ntawm LEDs. "Lub lauj kaub" lossis "khob" zoo li lub cathode, lossis "ntau qhov tsis zoo" sab ntawm LED, thiab raws li koj tuaj yeem pom, cov cathodes tau tig los ntawm ib leeg. Nov yog txoj hauv kev nws yuav tsum yog!

Kauj ruam 17: Dab tsi? Lwm 10K?

Nov yog 10K tus tiv thaiv uas mus nruab nrab ntawm cov pins peb tau ua haujlwm nrog. Nws mus nruab nrab ntawm tus pin 13 thiab 14 ntawm TL074, (hauv qab nti).

Nov yog cov neeg coob coob hauv ib ncig! Muaj ib qho txuas ntxiv uas yuav mus rau txhua tus pins no, tab sis qhov ntawd yuav los nyob rau ib pliag xwb.

Kauj Ruam 18: Peb Thawj Lub Suab Capacitor

Nyob zoo !!! Nov yog peb thawj lub suab capacitor! Ib feem no ua qhov kev lim dej lim dej ib feem ntawm qhov Circuit no, yog li cov tib neeg uas mob siab txog lub suab zoo feem ntau siv cov zaj duab xis zoo li no.

Qhov no yog 1.5nF capacitor, uas yuav cim nrog tus lej 152. 152 txhais tau tias 15 nrog ob zeros tom qab, yog li 1500 hauv picofarads sib npaug 1.5 nanofarads. Lub hwj chim hla lub tshuab hluav taws xob nyob hauv txoj haujlwm no yog 104, lub ntsiab lus 10 nrog 0000 tus kab tom ntej, rau 100, 000 picofarads: 100nF.

Xijpeem, txuas ib txhais ceg ntawm lub tshuab hluav taws xob no rau cov pins uas tau muab sib dhos ua ke ntawm cov chips uas tsis yog lub zog fais fab. Qhov no txhais tau tias tus pin 10 ntawm cov hauv qab nti thiab tus pin 5 ntawm cov nti saum toj kawg nkaus.

Lwm ceg ntawm lub tshuab hluav taws xob no mus rau tus pin 14 ntawm TL074 (hauv qab nti). Nov yog qhov kawg uas peb yuav txuas rau tus pin tsis zoo!

Ceev faj tias cov hlau lead tsis muaj qhov ntev mus los ntawm lub tshuab hluav taws xob mus rau tus pin ntawd luv thiab ncaj raws li koj tuaj yeem ua tau. Koj tsis xav kom nws khoov ib ncig thiab kov lwm qhov.

Kauj Ruam 19: Tus Khaub Ncaws Khaub Ncaws Thib Ob

Qhov thib ob khawv koob capacitor!

Qhov no yog qhov zoo sib xws 1.5nF capacitor. Txuas nws mus rau tus pin ntawm sab rov qab ntawm txoj haujlwm, tus pin 12 ntawm cov nti saum, tus pin 5 ntawm hauv qab nti.

Nco ntsoov taug txoj kab hluav taws xob ceg kom zoo zoo kom nws tsis txhob kov ib tus pin lossis ua rau ze nws.

Lwm sab ntawm lub tshuab hluav taws xob txuas rau qhov sib tw ntev ntawm cov neeg ua haujlwm. Qhov no yog, raws li koj yuav rov nco tau, lub hauv paus ntawm tag nrho cov Circuit Court.

Kauj Ruam 20: Lwm Qhov Pom ntawm Cov Kauj Ruam Ib Yam

Saib nws. Loooook at nws.

Kauj Ruam 21: Qhov ceg no Yog Hais Txog Kom Tau Hauv Ntej

Qhov no nyob ntawm ib sab ntawm qhov haujlwm ib yam li cov kauj ruam dhau los. Nov yog tus pin 3 ntawm TL074 khoov tawm thiab nce zoo li ntawd. Hauv theem tom ntej peb yuav txuas qhov ntawd mus rau hauv av hauv av, yog li ntawd yuav pab koj paub yuav kho nws li cas.

Kauj Ruam 22: Me ntsis ntawm Hlau

Txuas me ntsis xaim (qhov txiav tawm cov hlau lead yog qhov kuv tau siv) rau tus pin. Twist lwm qhov kawg ntawm cov hlau lead nyob ib ncig ntawm cov kab hauv av. Ib zaug ntxiv, qhov no yog tus pin 3 ntawm TL074 (hauv qab nti).

Kauj Ruam 23: Pib ntawm Tshooj Tswj Hluav Taws Xob

Nov yog lwm qhov chaw koj tuaj yeem siv qhov pheej yig junky ceramic disc capacitor! Qhov no yog 4.7nF capacitor ntawm tus pin 1 thiab 2 ntawm TL074 (hauv qab nti). Yog tias koj tsis muaj 4.7nF capacitor, txhua yam ntawm 500pF (0.1nf, lossis code 501) thiab mus txog tej zaum 10nF (tej zaum txawm ntau?) Yuav tsum yog.

Thaj chaw ntawm Circuit no ib txwm yog qhov tsis meej pem tshaj plaws rau kuv, yog li cia peb dhia dej hauv !!! Ua ntej tshaj, qee qhov PNP transistors !!!

Kauj Ruam 24: Tsau !!!! Transistors !

Ntawm no lawv yog, txhua tus tau hais tseg thiab nrog ib txhais ceg khoov. Kuv siv 2n3906 transistors, tab sis ib qho PNP transistor yuav ua tau zoo. Yuav tsum paub zoo tias cov transistors sib txawv feem ntau muaj cov pinouts sib txawv, yog li kom muaj kev nyab xeeb, tsuas yog siv 2n3906 transistors.

PNP sawv rau taw qhia iN Thov (tsis yog nws tsis) yog li cov xub hauv cov cim cim qhia hauv. Yog tias koj xaiv qhov sib txawv PNP transistor, nco ntsoov khoov cov ceg uas muaj xub.

Kauj Ruam 25: Peb Cov Transistors Tau Txais Siab Zoo

Okay! Cov transistors nkag mus rau qhov coj txawv txawv tiaj-rau-tiaj puag, nrog lawv cov caj npab khoov tuav ib leeg. Aw cute, puas yog? Txoj hauv kev no, lawv tau sov ua ke (kub!) Txiav cov caj npab puag, thiab cia peb txav mus rau qib tom ntej!

Kauj Ruam 26: Cov Khoom Tau Txais Yooj Yim

Qhov no tuaj yeem ua kom yuam kev.

Koj tab tom saib LED qhov kawg ntawm koj qhov project. Taw tes tuav caj npab ntawm tus khub transistor mus rau qhov ze qhov kawg ntawm txoj haujlwm. Thaum kawg cov caj npab puag yuav txuas nrog tus pin 1 ntawm TL074 nrog tus tiv thaiv, yog li ntawd nws yuav tsum nyob qhov twg. Lwm qhov sab nraud tus pin ntawm tus taw tes taw tes transistor txuas rau tus pin 2 ntawm TL074 (hauv qab nti). Qhov nruab nrab tus pin ntawm qhov taw qhia taw tes transistor tau khoov ncaj. Ua raws daim duab kom zoo!

Kauj Ruam 27: Tam sim no Lub Nroog Nruab Nrab Tau Txais Hauv Ntiaj Teb

Khoov tus pin nruab nrab ntawm qhov taw tes taw tes transistor txhawm rau txhawm rau hauv av pob. Tus tsis khawm ntawm tus taw tes taw tes transistor tau txiav ua ntej hauv daim duab no.

Kauj Ruam 28: Qhov Pom Thib Ob

Nov yog lwm qhov kev pom ntawm cov kauj ruam no nrog kev sib koom ua ke.

Kauj Ruam 29: Kuv Siv Tus Tiv Thaiv Tsis Zoo

Nov yog 1.8K tus tiv thaiv mus los ntawm nruab nrab txhais ceg ntawm qhov taw qhia NPN transistor. Yog tias koj paub koj tus lej tiv thaiv xim xim, koj yuav pom tias nws tsis yog 1.8K tus tiv thaiv. Kuv yuam kev lawm.

Tab sis siv 1.8K tus tiv thaiv, txuas ib kawg rau hauv nruab nrab txhais ceg uas koj twb tau khoov sab nraud. Lwm qhov kawg ntawm tus resistor mus rau hauv av …

Kauj Ruam 30: Thiab Cov Neeg Ua Haujlwm Tsis Txaus Siab Tau Txais Ib Leeg Ib Yam

… zoo li no! Nws zoo li yuav luag zoo li khawm caj npab ntawm PNP transistor khub kuj tseem txuas rau hauv av, tab sis lawv tsis yog. Nruab nrab ceg ntawm qhov taw tes taw tes transistor yog hauv av, ntxiv rau qhov kawg ntawm 1.8K resistor.

Peb tsis tau ua tiav nrog ntu ntu ntawm Circuit no, tab sis cia peb txav mus rau qee yam sib txawv me ntsis:

Kauj Ruam 31: Cov Hluav Taws Kub Tiv Thaiv !

Nov yog ob qho 10K resistors sib tw thiab txiav ib yam nkaus li qhov no. Lawv zoo li marshmallows ntawm lub chaw pw hav zoov rab diav rawg ha ha ha ha ha ha ha ha ha ha (ua pa) ha ha.

Kauj Ruam 32: Marshmallow Fork Resistors Koom nrog tog

Txuas qhov luv luv ntawm 10K cov neeg tawm tsam rau pins 1 thiab 16 ntawm LM13700 (sab saum toj nti). Cov resistors no tau koom nrog hauv kev hloov pauv ntau npaum li cas LM13700 ua kom lub teeb liab nkag los rau hauv Circuit Court.

Kauj Ruam 33: Koj Yuav Tsum Ua Dab Tsi Nrog Twisty Ends

Qhov sib tw xaus ntawm peb lub chaw tua hluav taws marshmallow diav rawg mus rau qhov tsis khawm ntawm tus taw tes taw qhia PNP transistor. Khoov cov coj ntawm ib leeg thiab ua kom lawv tawg!

Tau kawg ntawm no yog lwm thaj tsam ntawm kev sib tham nrog cov tsis muaj kev coj ua ncab txoj hauv kev. Ua rau lawv luv thiab ncaj li sai tau yog li lawv tsis mus khoov ib ncig thiab kov lwm qhov hauv Circuit Court.

Eagle-eyed nyeem ntawv yuav pom tias los ntawm lub sijhawm no kuv pom tias kuv tau siv tus nqi tsis raug rau tus tiv thaiv uas mus nruab nrab ntawm tus pin nruab nrab ntawm qhov nqes taw tes transistor thiab hauv av. Hauv daim duab no nws tau kho, hauv daim duab yav dhau los nws tseem tsis raug.

Kauj Ruam 34: Ib qho 4.7K Resistor Tau Txais

Nov yog 4.7K resistor uas txuas rau caj npab puag ntawm ob khub PNP transistors rau tus pin 1 ntawm TL074. Hook nws li no!

Kauj Ruam 35: Ob txhais ceg koom ua khub ntawm caj npab puag

Khoov 4.7K tus tiv thaiv tus thawj coj dhau los nws tuaj yeem kov khawm-caj npab ntawm PNP transistor khub. Qhov no yuav nyob ze rau lub zog ntsuas hauv qib tom ntej, yog li ua kom nws huv thiab huv.

Peb tau ua tiav nrog ntu no ntawm lub voj voog! Yog tias koj tseem nrog kuv, koj ua tau zoo !!!

Kauj Ruam 36: Saib Qhov Loj Loj

Qhov no yog 100K potentiometer. Cov koob sab nraud ntawm lub hwj chim ntsuas hluav taws xob yog ob qho kawg ntawm qhov ua haujlwm ntev dua li ib txwm ua. Tus pin nruab nrab txuas rau "wiper" uas ua rau kev sib cuag nrog tus tiv thaiv ntawm cov ntsiab lus sib txawv, nyob ntawm seb koj tig lub hwj chim li cas. Kuv ib txwm xav txog potentiometers muaj sab "siab" thiab sab "qis". Thaum koj tig lub zog ntsuas txhua txoj hauv kev "nce" (zoo li hauv, ntim ntau dua), Kuv xav txog lub wiper txav mus rau tus pin "siab".

Lub hwj chim no (uas kuv tau rov siv dua los ntawm qhov haujlwm qub - saib cov xim thiab kua nplaum rau nws!) Muaj sab "qis" txuas rau hauv av. Nws ua rau lub teeb liab pub rov qab rau hauv lub lim, ua rau lub suab nrov ntawm lub lim. Nyob ntawm kev xaiv koj tuaj yeem ua tom qab, lub zog no yuav hloov pauv qhov Circuit Court no los ntawm qhov zoo me ntsis qis-lim lim mus rau hauv dab ntxwg nyoog ntawm kev cuam tshuam suab nrov.

Khoov tus pin ntawm koj lub hwj chim kom taw tes zoo li qhov no. Txiav qhov ntev ntawm cov av hauv av ua, thiab ua kom muaj zog khov kho sib koom ua ke los ntawm "qis" tus pin ntawm lub zog rau lub pob ntawd. Qhov sib koom ua ke no yuav tuav tus qauv ntawm koj lub Circuit Court, yog li ua tib zoo saib xyuas kom nws muaj zog.

Tsis tas li, txhawm rau ua kom yooj yim ua raws hauv ob peb kauj ruam tom ntej no, tig koj txoj haujlwm kom txog thaum cov khub LED dai ntawm qhov ze "siab" tus pin ntawm lub zog.

Yeej, luam daim duab.

Kauj Ruam 37: Peb Cov Capacitors Yog Li Polarized Tam Sim No

Nov yog 1uF electrolytic capacitor. Electrolytic capacitors yog polarized, yog li lawv muaj + ceg thiab a - ceg. Cov - ceg feem ntau yog cim nrog kab txaij uas muaj cov cim me me hauv nws.

Txuas tus + txhais ceg ntawm lub capacitor rau tus pin 6 thiab 7 ntawm TL074 (hauv qab nti). Qhov - ceg ntawm lub tshuab hluav taws xob no yog cov phiaj xwm tawm suab, uas txhais tau tias peb tab tom ua haujlwm loj!

Kauj ruam 38: Hlau

Nov yog daim kab xev luv ntawm nruab nrab tus pin ntawm lub hwj chim thiab tus lej tus lej 12 ntawm TL074 (hauv qab nti). Txog ntawm qhov no, tus lej tus lej 12 yuav yog tus pin nkaus xwb nyob rau hauv qab nti uas tsis muaj dab tsi txuas nrog rau nws kiag li.

Kauj Ruam 39: Lwm Qhov Ntawm Cov Hlau

Txuas lwm qhov luv luv ntawm cov xaim los ntawm tus "siab" tus pin ntawm lub hwj chim mus rau - ceg ntawm 1uF capacitor. Tawm ntawm - txhais ceg ntawm 1uF lub tshuab hluav taws xob ntev dua me ntsis, txij li qhov ntawd yog qhov uas peb yuav tau txais lub teeb liab tawm ntawm txoj haujlwm no.

Daim duab no tseem qhia txog cov xov hlau luv mus nruab nrab ntawm tus pin nruab nrab ntawm lub hwj chim thiab tus pin 12 ntawm TL074 (hauv qab nti).

Kauj Ruam 40: Kev Xaiv Tseem Ceeb

Hauv theem no koj muaj kev xaiv los ua. Tus tiv thaiv no mus nruab nrab ntawm tus pin 13 ntawm TL074 (hauv qab nti) thiab hauv av. Pin 13 yog tus pin-bent pin uas LEDs thiab 10K resistor tau txuas rau. Nov yog qhov kev sib txuas zaum kawg peb yuav ua rau tus pin ntawd!

Hauv daim duab no, nws yog 20K resistor. Koj tuaj yeem xaiv tus nqi ntawm, hais, 20K thiab 2.2K.

Kev tiv thaiv qis dua (2.2K) yuav ua rau lub voj voog no ua rau tus kheej oscillate sai dua thaum koj tig lub pob ntseg resonance (lub hwj chim hauv daim duab no). Yog tias koj xaiv tus nqi ntawd, lub Circuit Court yuav pib ua kom nrov nrog lub pob qhov taub txog ib nrab, thiab oscillate ntau dua thaum koj tig lub pob qhov rooj, nrog cov yoj pauv hloov raws li qhov dav tau nce siab dua thiab yog li ntau dua los ntawm ob lub LEDs.

Qhov kev tiv thaiv siab dua (20K) yuav tsis cia qhov hloov pauv ntawm txhua qhov. Nws tseem yuav muaj suab nrov, tab sis koj tsuas yog hnov lub suab nrov nyob rau hauv cov lus teb thaum koj hloov qhov txiav tawm zaus, tab sis nws yuav tsis dhau mus rau hauv cov lus tawm oscillation khiav tawm.

Kev sib haum xeeb zoo yog nruab nrab ntawm 4.7K thiab 8.1K.

Kauj Ruam 41: Tus Tiv Thaiv Kuv Tsis Nco Txog Tam Sim No

Huag huag, Kuv tsis hnov qab tus tiv thaiv no. Nws yog qhov muaj zog tiv taus ntau dua li lwm qhov hauv kab lus no. Txuas ib qho kawg rau tus pin 6 ntawm LM13700 (nti saum), tus pin 11 ntawm TL074 (hauv qab nti). Nws yuav tsum tau txuas nrog qhov twg cov tsheb ciav hlau tsis zoo nkag mus rau hauv txoj haujlwm. Hauv kuv qhov kev tsim, nws hla mus rau ntawm 100nF lub zog hla dhau lub capacitor. Lwm qhov kawg mus rau…

Kauj Ruam 42: Peb Ua Haujlwm Tiav Nrog Tus Kuj Tseem Ceeb

Pin 2 ntawm TL074 (hauv qab nti) !!! Yog tias ob qho kawg ntawm 470K tus tiv thaiv txuas rau ib feem ntawm Circuit Court nrog cov khoom siv hluav taws xob (tsis yog tib lub tshuab hluav taws xob), koj nyob zoo.

Kuv tsis tuaj yeem ntseeg tias kuv tsis hnov qab tus tiv thaiv no txog thaum lub ntsiab lus hauv qhov haujlwm no. Kuv tau ua nws ua ntej, thiab lub Circuit Court tsis ua haujlwm yam tsis muaj nws! Tom ntej no: POWER !!!!

Kauj Ruam 43: Cov Hluav Taws Xob

Kuv tau txais kuv lub xov tooj hluav taws xob los ntawm Cat5 network cables. Hauv txhua qhov kuv cov haujlwm, txiv kab ntxwv zoo, ntsuab tsis zoo, xim av (lossis dawb) yog av.

Tau txais koj tus kheej qee cov xov hlau ntawm cov xim twg koj xaiv (tab sis qhov tseeb tsis txhob hnov qab cov xim twg) thiab ntswj lawv ua ke kom lawv huv si !!!

Zoo, tsis txhob tig lawv txhua txoj kev ua ke. Tawm ntawm txhais tes qhov dav tsis tau hloov pauv, vim tias qhov txiav tawm lub zog yuav tsum tau txuas nrog cov xaim no ntxiv rau qhov tseem ceeb ntawm txoj haujlwm.

Kauj Ruam 44: Lub Hwj Chim Zoo

Nov yog qhov kev sib txuas zoo tau ua. Pin 4 ntawm TL074 (hauv qab nti) thiab tus pin 11 ntawm LM13700 (sab saum toj nti). Ceev faj. Kaw qhov no rov qab, thiab cov khoom yuav hlawv.

Tseem tau hais qhia yog qhov twg hauv av xaim txuas, tab sis qhov ntawd yuav nyob hauv daim duab tom ntej ib yam.

Kauj Ruam 45: Lub Zog Tsis Zoo

Lub zog tsis zoo txuas mus rau lwm sab ntawm txoj haujlwm. Qhov ntawd yuav yog tus pin 11 ntawm TL074 (hauv qab nti) thiab tus lej 6 ntawm LM13700. Txheeb xyuas koj lub zog sib txuas zoo. Tsuav lub zog nkag mus rau ob sab ntawm 100nF ceramic disc capacitor nyob hauv qab ntawm txoj haujlwm, koj yuav zoo. Tsuav koj tso qhov ntawd rau qhov chaw raug!

Koj tuaj yeem pom qhov twg hauv av txuas nrog. Tau txais qhov zoo dua ntawm nws hauv daim duab tom ntej!

Kauj Ruam 46: Nqa Qhov Sib Txawv Los Ua Yeeb Yam Nrog Cov Hlau Hauv av

Kev sib txuas hluav taws xob hauv av mus rau qhov ntawd!

Kauj Ruam 47: Ua Haujlwm Ntau Nrog Lub Hwj Chim

Siv cov hlua hluav taws xob txhawm rau rhuav tshem cov rwb thaiv tsev ntawm qhov zoo thiab tsis zoo ntawm cov xov hlau luv luv nyob deb ntawm qhov chaw uas cov xov hluav taws xob nkag mus rau hauv qhov haujlwm.

Kauj ruam 48: Ua rau xav tsis thoob! Lwm Qhov Loj

Nov yog lub xov tooj hluav taws xob txuas nrog rau ceg siab (cov hlau zoo) thiab ceg qis (xaim tsis zoo) ntawm 100K lub zog ntsuas no. Qhov nruab nrab txhais ceg ntawm lub zog no tsis muaj dab tsi txuas nrog nws tam sim no.

Saib cov potentiometer ntawd! Lwm tus siv ib qho!

Kauj Ruam 49: Mus Rau Tsev Ncab

Twist qhov kawg ntawm ob peb 100K resistors ua ke. Txiav qhov sib tw xaus luv luv, qhov no tsis yog lub chaw tua hluav taws marshmallow lo, nws yog qhov ntxeev ntawm qhov ntawd. Txawm li cas los xij.

Cov resistors no yog qhov ntsuas qhov ntsuas hluav taws xob muaj qhov hluav taws xob ib feem los rau hauv Circuit Court. Ib qho ntawm cov no txuas mus rau nruab nrab ntawm "Kev Txiav Tawm Zaus" potentiometer, thiab lwm qhov txuas rau sab nraud CV cov tswv yim.

Kauj ruam 50: Rov qab mus rau Cuddling Transistors

Okay, nco ntsoov qhov nqes taw qhia transistor hauv khub khawm NPN transistors? Txuas cov kab sib tw ntawm ob khub ntawm 100K resistors mus rau tus pin nruab nrab ntawm qhov taw tes taw tes transistor. Nco qab txog 1.8K tus tiv thaiv uas kuv tau ua yuam kev ua ntej hauv kev tsim? Ib sab ntawm tus neeg tawm tsam mus rau hauv av, lwm qhov mus rau nruab nrab ceg uas koj yuav xav tau txuas rau 100K tus tiv thaiv.

Kauj Ruam 51: Txiav Ob txhais ceg

Mus tom ntej thiab txiav qhov ntev ntev ntawm khub ntawm 100K resistors. Solder ib ntawm lawv mus rau qhov ntev me ntsis ntawm cov xov hlau - ntev txaus kom mus txog nruab nrab txhais ceg ntawm thib ob 100K potentiometer. Vim tias yog qhov uas nws txuas nrog!

Lwm 100K tus tiv thaiv yog koj li CV (tswj qhov hluav taws xob) cov tswv yim. Txuas qhov ntawd los ntawm xaim mus rau lub qhov nkag ntawm koj lub vaj huam sib luag thiab daim ntawv lo tus nqus. Yog tias koj xav tau qhov kev xaiv kom txo qis CV, koj tuaj yeem ua li ntawd! Txuas lub vaj huam sib luag rau sab "siab" ntawm lub zog (10K lossis 100K yuav ua haujlwm), sab "qis" rau hauv av, thiab tus pin nruab nrab ntawm lub zog tuaj yeem mus rau 100K resistor hauv daim duab no.

Kauj Ruam 52: Lwm Qhov Kawg Ntawm Qhov Ntev Ntev Ntawm Cov Hlau

Saib? Nyob ntawd! Lwm qhov kawg ntawm cov xaim no txuas rau ib qho ntawm 100K resistors koj nyuam qhuav tau ua haujlwm nrog.

Kauj ruam 53: Koj Ua Nws! Koj nyob nraum Amazing

Hav! Nov yog qhov kawg tiv thaiv koj yuav txuas rau koj qhov project!

Nqa 10K tus tiv thaiv thiab muab nws txuas rau tus pin 3 ntawm LM13700 (sab saum toj nti). Nov yog qhov teeb liab yuav los rau hauv koj qhov project. Yog tias koj siv lub hauv paus uas tsis txuas nrog lwm yam hauv txoj haujlwm no (lub xov tooj siv lub roj teeb lossis lub mp3 player) koj yuav tsum tau txuas cov xaim av los ntawm lub cuab yeej hauv av (lub tes tsho lossis lub nplhaib thib 3 ntawm lub xov tooj cua pabcuam) thiab teeb liab xaim (qhov taub (sab laug) lossis thawj lub nplhaib (sab xis) ntawm lub xov tooj cua pabcuam). Qhov haujlwm tsim tawm yog - sab ntawm 1uF electrolytic capacitor.

Cov tswv yim cuam tshuam ntawm txoj haujlwm no yog 10K. Yog tias koj txuas cov cuab yeej siv hluav taws xob qis rau cov zis (1uF capacitor) zoo li, piv txwv li, lub mloog pob ntseg, lub ntsuas hluav taws xob thiab lub cuab yeej yuav tsim lub lim lim siab uas yuav tshem tag nrho cov ntses bass thaj tsam tawm ntawm lub suab. Yog li xyuas kom tsis txhob cuam tshuam qhov tso tawm nrog op amp, lossis tsuas yog ua kom ntseeg tau tias tsis muaj dab tsi koj yuav ntsaws rau hauv yuav tshem cov ntses bass thaj tsam.

Lub hwj chim kos qis dua 15mA.