Cov txheej txheem:
- Kauj Ruam 1: Piav Qhia
- Kauj Ruam 2: Sau Cov Cheeb Tsam thiab Cov Cuab Yeej
- Kauj Ruam 3: Kev Npaj Lub Cev
- Kauj Ruam 4: Kev nthuav qhia tiag
Video: Cov Hluav Taws Xob Hluav Taws Xob: 4 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Cov neeg uas xav tau rov tsim dua lub suab ntawm rab phom phom ceev rau cov khoom ua si, tej zaum yuav txaus siab xav txog cov cuab yeej tam sim no. Koj tuaj yeem hnov lub suab phom sib txawv ntawm www.soundbible.com thiab paub tias rab phom suab yog tsim los ntawm 'bang' ua raws los ntawm 'hiss' (tsawg kawg, qhov ntawd yog qhov kuv xav). "Bang" yog tsim los ntawm cov pa roj siab tso tawm sai sai los ntawm lub thoob, thiab "hiss"-los ntawm cov mos txwv txav mus rau saum huab cua. Kuv lub cuab yeej tsim dua tshiab ob qho khoom ua tau zoo rau cov khoom ua si (Kuv xav hais txog qhov kev txhais no vim tias nws tsis yog kuv lub hom phiaj kom rov ua dua lub suab), thiab yooj yim, suav nrog 4 lub transistors, ib qho IC thiab qee yam tsis nkag siab. Daim vis dis aus yuav qhia koj qhov tshwm sim.
Kauj Ruam 1: Piav Qhia
Lub Circuit Court tau qhia hauv cov duab txuas nrog. Astable multivibrator ua tau zoo nrog Q1 thiab Q2 tsim lub voj voos xwmfab, lub sijhawm T uas suav nrog
T = 0.7*(C1*R2 + C2*R3)
Cov lus piav qhia ntxaws txog yuav ua li cas astiv multivibrator ua haujlwm tau tuaj yeem pom ntawm no: www.learnabout-electronics.org/Oscillators/osc41….
Lub cim-rau-qhov sib piv* tau xaiv ua 1: 1, tom qab ntawd C1 = C2, R2 = R3, thiab nthwv dej zaus tau suav raws li
f = 1/1.4*CR
Kuv xaiv qhov zaus sib npaug rau 12 Hz, uas muab 720 'txhaj tshuaj ib feeb, thiab lub peev xwm sib npaug rau 1 microfarad (uF). Qhov tsis kam yog xam raws li
R = 1/1.4*fC
Tus lej suav yog 59524 Ohm, Kuv siv 56K resistors vim tias lawv nyob ze tshaj plaws. Qhov zaus hauv qhov no yuav yog 12.76 Hz (765 'txhaj tshuaj' ib feeb).
*Qhov sib piv ntawm lub sijhawm ntawm qhov ua tau zoo ib feem ntawm ib puag ncig yoj mus rau lub sijhawm ntawm qhov tsis zoo ntawm qhov dav.
Multivibrator muaj ob qhov kev tso tawm: Tawm 1 thiab Tawm 2. Thaum Tawm 1 yog HIGH, Tawm 2 yog LOW. Qhov cim-rau-qhov sib piv yog 1: 1, lub sijhawm ntawm 'bangs' thiab 'hisses' yog sib npaug; txawm li cas los xij, lub voj voog tuaj yeem hloov kho kom hloov pauv ob qho piv txwv no thiab lub sijhawm nthwv dej los hloov lub suab raws li koj nyiam. Ua raws li qhov txuas saum toj no, koj yuav pom cov hloov pauv hloov pauv.
Lub teeb liab los ntawm Out 1 tau pub rau hauv paus ntawm T4 (preamplifier) los ntawm qhov faib hluav taws xob muaj li ntawm R8, R9 (trimmer) thiab R10. Cov yam ntxwv no tso cai rau koj hloov kho lub zog ntawm 'bangs' kom pom qhov zoo tshaj plaws 'ntuj' (hauv koj lub tswv yim) suab. Koj tseem tuaj yeem hloov cov tshuaj tiv thaiv no nrog 470K trimmer kom tuaj yeem hloov kho lub suab txhua lub sijhawm raws li koj xav tau. Hauv qhov no, ua ntej koj siv qhov hluav taws xob rau hauv Circuit Court thawj zaug, koj yuav txiav txim siab tig lub tshuab txiav lub tog raj mus rau txoj haujlwm nruab nrab vim tias nws nyob ze rau txoj haujlwm uas muab lub suab "ntuj".
Los ntawm tus neeg sau ntawm T4 lub teeb liab los rau hauv lub tswv yim ntawm lub tshuab raj kawg ua nrog IC LM386; lub teeb liab loj tuaj rau lub suab nrov nrov.
Lub teeb liab los ntawm Out 2 los rau tus emitter ntawm T3. Nov yog NPN transistor; Txawm li cas los xij, qhov ntsuas hluav taws xob zoo tau siv rau lub hauv paus-emitter kev sib tshuam ntawm transistor. Thaum qhov hluav taws xob thim rov qab no ntau dua tus nqi hu ua 'tawg qhov hluav taws xob' (6V rau 2N3904, lub tshuab hluav taws xob tam sim no yog 10uA), qhov tshwm sim hu ua 'avalanche tawg' tshwm sim: cov hluav taws xob dawb nrawm, sib tsoo nrog atoms, tso tawm lwm cov hluav taws xob, thiab avalanche ntawm hluav taws xob tau tsim. Avalanche no ua lub teeb liab uas muaj kev sib npaug sib luag ntawm ntau zaus (suab nrov avalanche). Koj yuav pom cov ncauj lus kom ntxaws hauv Wikipedia kab lus 'Electron avalanche' thiab 'Avalanche tawg'. Lub suab nrov no ua lub luag haujlwm ntawm 'hisses' hauv kuv lub cuab yeej.
Lub tshuab hluav taws xob tam sim no ntawm T3 tuaj yeem tswj hwm nrog lub tshuab txiav R5 txhawm rau txhawm rau txhawm rau txo qis roj teeb nrog lub sijhawm. Txawm li cas los xij, yog tias lub roj teeb hluav taws xob poob qis dua qhov tawg qhov hluav taws xob (6V), lub suab nrov nrov yuav tsis tshwm sim. Koj tseem tuaj yeem hloov R5 thiab R6 nrog 150K trimmer. (Kuv tsis muaj ib qho npaj tau, yog vim li cas kuv thiaj siv cov tshuaj tiv thaiv ua ke). Hauv qhov no, ua ntej koj siv qhov hluav taws xob rau hauv Circuit Court thawj zaug, koj yuav tsum tig lub trimmer lub axis mus rau txoj haujlwm sib xws rau qhov siab tshaj plaws tiv thaiv kom tsis txhob muaj ntau dhau tam sim no los ntawm cov emitter ntawm T3.
Los ntawm tus xa tawm ntawm T3 lub teeb liab los rau lub tswv yim ntawm lub tshuab raj kawg ua nrog IC LM386; lub teeb liab loj tuaj rau lub suab nrov nrov.
Kauj Ruam 2: Sau Cov Cheeb Tsam thiab Cov Cuab Yeej
Q1, Q2, Q3, Q4 = 2N3904
IC1 = LM386
R1, R4, R11 = 2.2K
R2, R3 = 56K
R5 = 47K (trimmer)
R6, R10 = 68K
R7 = 1M
R8 = 330K
R9 = 10K (trimmer)
C1, C2, C6 = 1 uF (microfarad), electrolytic
C3, C4 = 0.1 uF, tej hub
C5, C8 = 100 uF, electrolytic
C7 = 10 uF, electrolytic
C9 = 220 uF, electrolytic
LS1 = 1W lub suab nrov, 8Ohm
SW1 = hloov pauv ib ntus, piv txwv li, lub laub khawm
B1 = 9V roj teeb
Sau ntawv:
1) Lub zog ntsuas ntawm txhua tus tiv thaiv yog 0.125W
2) Cov hluav taws xob ntawm txhua lub capacitors tsawg kawg 10V
3) R5 thiab R6 tuaj yeem hloov nrog 150K trimmer
4) R8, R9 thiab R10 tuaj yeem hloov nrog 470K trimmer
Kev tsim hluav taws xob tau tsim los ntawm ib daim phiaj ntawm 65x45 mm, kev sib txuas yog tsim los ntawm cov xov hlau. Txhawm rau tsim lub voj voog koj yuav xav tau rab phom phom, cov laug, cov xov hlau, tus xaim txiav, ob tus tweezers. Txhawm rau ua kom muaj hluav taws xob hauv lub sijhawm sim, kuv tau siv DC adapter.
Kauj Ruam 3: Kev Npaj Lub Cev
Lub rooj tsav xwm hauv Circuit Court, lub suab nrov nrov thiab lub roj teeb tuaj yeem tso rau hauv lub nruas, qhov loj me uas yuav tsum tau muab sib piv rau qhov loj me ntawm cov khoom ua si. Hauv qhov no, qhov loj thiab qhov zoo ntawm lub rooj tsav xwm hauv Circuit yuav tsum yog qhov uas lub rooj tsavxwm haum rau hauv lub nruas. Qhov kev daws teeb meem no yooj yim yog tias koj twb muaj cov khoom ua si uas sawv cev rau rab phom submachine rab phom, hais tias, 'Tommy' qhia hauv ntau qhov haujlwm ntawm lub xaib no.
Nws kuj tseem tuaj yeem tso lub rooj tsavxwm rau hauv lub cev tseem ceeb ntawm cov khoom ua si, tshwj xeeb tshaj yog thaum koj ua tus qauv ntawm rab phom niaj hnub nrog cov duab plaub. Hauv qhov no, lub suab nrov me me tuaj yeem tso rau hauv 'sub-chim foob pob foob pob' ntawm 'phom'. Pom tseeb, qhov hloov pauv SW1 yuav tsum tau muab tso rau qhov twg ua rau muaj rab phom tiag nyob.
Kauj Ruam 4: Kev nthuav qhia tiag
Yam koj pom hauv video thiab cov duab tsis yog khoom ua si tiag tiag, nws tsuas yog ib txoj hauv kev zoo dua los qhia koj kuv lub cuab yeej ua haujlwm. Lub suab kuj zoo dua thaum lub suab nrov nyob hauv ib qho chaw thaiv. Yog li ntawd, kuv rub daim duab ntawm 'Tommy', luam nws, lo rau ntawm daim duab los qhia, txiav tawm, tsim lub nruas me me rau lub suab nrov. Kuv ua lub nruas pem hauv ntej thiab sab nraub qaum ntawm 4-mm tuab plywood; kom ua rau sab nraub qaum, Kuv siv cov kab plywood nyias nyias ntub thiab tsim rau ntawm lub tog raj kheej uas tsim nyog.
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Cov Khoom Siv Hluav Taws Xob Tsis Txaus Siab: Thaum lub tsev poob lub zog, thiab tom qab ntawd thaum kawg tig rov qab, peb lub tshuab A/C nqa tau tsis tig rov qab. Koj yuav tsum tau thawb lub pob rau ntawm lub hauv ntej ntawm chav tsev, lossis ntaus lub hwj huam khawm ntawm cov chaw taws teeb. Peb chav A/C tshwm sim nyob rau hauv peb cov se