Pinpointer tus kheej ob txhais tes: ib daim duab thiab piav qhia

Pinpointerami nta yog hu ua lub compact hlau detectors. Raws li cov neeg hauv chav kawm ntawv lawv yog cov heev txawv. Nws yuav tsum raug borne nyob rau hauv lub siab hais tias qhov no hom ntawm ntaus ntawv nws muaj nws tus kheej rhiab heev. Cov ntsiab keeb pinpointera yuav muab hu ua ib kauj. Nws teev nws feem ntau yog orthogonal hom. Txawm li cas los, nyob rau hauv no qhov teeb meem, ib tug ntau nyob rau hauv lub chav kawm ntawv ntawm kev ntsuas cov neeg. Nyob rau hauv thiaj li yuav sau ib tug yooj yim pinpointer lawv tus kheej txhais tes, yuav tsum tau me ntsis txog cov lub zoo-paub configurations.

Qauv rau cov ob-hlau capacitor

Ua li no hom pinpointer tus kheej txhais tes, nws yog tsim nyog ua ntej ntawm tag nrho cov mus npaj tsev nyob rau hauv lub ntaus ntawv. Ua li no, muaj ntau yam kws txawj pom zoo kom siv ib qho teeb khoo. Cov ntsiab teeb meem nyob rau ntawm no theem yog los nrhiav ib tug zoo modulator. Raws li ib tug txoj cai, ob-hlau capacitor tos non-linear analog. Ncaj qha bound kauj pov tseg nyob rau hauv pem hauv ntej ntawm lub ntaus ntawv. Roj teeb yuav tsum tau ntsia rau lub modulator. Tshem lawv kuj yuav ntawm ib lub teeb khoo. Yam tsawg kawg nkaus roj teeb fais fab yog yuav tsum tau yuav tsum tau 200 mAh. Tom qab 25 feeb ntawm lub lag luam nruam qhov no yog heev txaus.

Siv ib tug peb-hlau capacitors

Ua nyuaj heev nrog rau cov peb-hlau capacitors pinpointer tus kheej txhais tes. Lub modulator nyob rau hauv cov ntaub ntawv no tsuas yog tsim linear hom. Nyob rau hauv peb lub sij hawm mus nrhiav nws nyob rau hauv electronics khw muag khoom noj yog tsis yooj yim. Nws yuav tsum raug borne nyob rau hauv lub siab hais tias cov kauj yuav tsum tau ntsia hauv qab no lub amplifier. Ib txhia ntxiv nruab nrog zener ntaus ntawv. Yuav kom nce lub rhiab heev ntawm tus qauv, lawv haum txig. Roj teeb nyob rau hauv no qhov teeb meem, koj yuav tau siv ib tug txheej txheem teeb khoo.

Model cuam tshuam teeb liab

Yuav kom sau li no pinpointer tus kheej txhais tes, nws yog tsim nyog ua ntej ntawm tag nrho cov coj hauv lub cev ntawm lub teeb xais. Yam tsawg kawg nkaus pib zaus modulator yuav tsum mas 200 Hz. Tag nrho cov no yuav pab kom muaj qhov rhiab heev ntawm lub ntaus ntawv ib theem siab. Raws li ib tug tester no ntaus ntawv yog siv ntau heev. Mus qhib lub interrupt hom nyob rau hauv kev tsim kho tsim nyog los tsim kom muaj kev tswj.

Feem ntau cov feem ntau nws yog siv khawm-hom. Nyob rau hauv cov ntaub ntawv no, koj yuav tsum them kom cov yam ntxwv ntawm lub cev, uas yog uas los ntawm lub teeb khoo. Chev rau lub hom phiaj no yog ib qho zoo rau xaiv yooj yim. Txawm li cas los, lub tswv yim voltage txwv yog yuav tsum tau yuav tsum tau khaws cia nyob rau hauv 15 V. Tag nrho cov no yuav los txhim kho lub kev nyeem ntawv raug.

Kev hloov kho "Kid-FM2"

Sau pinpointer "Kid-FM2" nrog nws tus kheej ob txhais tes yog heev yooj yim. Hais tias ntaus ntawv yus nyob rau hauv hais tias nws yog cov uas tsis muaj nyob rau hauv rhiab heev. Txawm li cas los, tus nqi ntawm cov qauv yog tsis tshua muaj tsis tshua muaj, thiab cov hais tias ntaus ntawv yog zoo tagnrho rau cov tsev siv. Lub modulator nyob rau hauv cov ntaub ntawv no ib tug uas tsis yog-linear hom. Nws mounted ncaj qha tom ntej no mus rau lub regulator.

Feem ntau cov feem ntau nws yog tig analogs yuav muaj nyob rau hauv kev ua lag luam. Inductor tswv yim pib voltage muaj peev xwm ntawm tiv ib tug tshaj plaws ntawm 10 V. Nws yuav tsum raug sau tseg hais tias tus ntaus ntawv tam sim no ntau tshaj conductivity. Qhov no twb tiav los ntawm txhim kho ib tug zener diode. Ntxiv mus, kom tsa tes pinpointer "Kid-FM", nws yog tsim nyog los solder capacitors. Tsuas yog ces txuas rau cov neeg mus rau lub zener diode. Thaum kawg ntawm lub chaw ua hauj lwm yuav tsuas txhim kho lub roj teeb rau hauv cov ntaub ntawv.

Pinpointer tsawg rhiab heev transistors

Ua tsawg rhiab heev pinpointer nrog nws txhais tes rau ntawm transistors yuav ua tau vim muaj ib tug ntaus ntawv xws li ib tug beeper. Nws yog ntsia tau rau hauv lub cev cia li qab lub modulator. Amplifier rau ntaus ntawv no tsuas yog tsim mem tes hom. Yog li cov capacitors zaum yuav raug xaiv rau ntau yam pab kiag li lawm. Txawm li cas los, qhov tsawg kawg nkaus tswv yim pib voltage, lawv yuav tsum kom muaj nyob rau ntawm lub 5 V.

Nws yuav tsum tau muab sau tseg tias nyob rau hauv lub zener ntaus ntawv yog feem ntau ntsia. Reserve zaus ntawm txais tos ntawm 200 Hz. Nws yog ib qho tseem ceeb los ua tim nyob rau hauv lub siab hais tias tus neeg ntawm tus nyeem ntawv nyob rau hauv lub inductance ntawm lub kauj. Lub dav ntawm cov kis caij yog feem ntau tsawg tshaj li 3 microns. Roj teeb rau xaiv cov qauv nrog ib tug muaj peev xwm tsis ntau tshaj 600 mAh. Txaus ntawm no hais txog, tus ntaus ntawv tsis tu ncua rau ntau tshaj 30 feeb.

High Translation Model

High rhiab heev pinpointer yuav ua li cas yuav ua rau koj tus kheej ob txhais tes? Yuav kom to taub lo lus nug no, nws yuav tsum tau to taub hais tias lub kauj yuav tau ib tug ncaj muaj hwj chim loj rau ua ke. Yam tsawg kawg nkaus pib voltage nws yuav tsum mas nyob rau hauv 20 V. Nws yuav tsum tau muab sau tseg tias cov modulators nyob rau hauv cov ntaub ntawv no tsuas yog tsim kab hom. Cov raug kuj nyob ntawm seb yam ntawm condensates.

Nyob rau hauv no qhov teeb meem, muaj ntau cov kws txawj tawm tswv yim siv cov qauv qhib. Nyob rau nruab nrab, qhov chaw kawm muaj peev xwm nyob rau hauv cov ntaub ntawv caij yog nyob ib ncig ntawm 5 PF. Txawm li cas los, nyob rau hauv no qhov teeb meem, ib tug ntau nyob ntawm lub chaw tsim tshuaj paus ntawm capacitors. Yog hais tias peb tham txog cov zener diode, nws yog siv nrog ntau zog kuj. Nws yog tsim nyog yuav ua tau kom lub rhiab heev ntawm lub ntaus ntawv. Roj teeb rau cov qauv no yuav tsum tau xaiv nrog ib tug muaj peev xwm ntawm tsis tsawg tshaj li 900 mAh.

Kev hloov kho ntawm lub Minimax-PP

Yuav kom sau lawv tus kheej txhais tes pinpointer Minimax-PP, koj yuav tsum khaws ib beeper PP20 series. Nws yuav tsum tau muab sau tseg tias cov ntseeg mechanisms ntsia tau rau hauv lub pab kiag li lawm ntawm no hom. Nyob rau hauv cov ntaub ntawv no, cov ntsuas siv ntau yam. Yog hais tias peb tham txog cov kauj, nws yog siv nyob rau hauv cov ntaub ntawv no orthogonal hom. Cov pib tswv yim voltage uas tivthaiv yuav mas tsawg kawg 15 W. Lub kuj nyob rau hauv lub Circuit Court yuav tsum tsis txhob ntau tshaj 4 ohms.

Lub rhiab heev ntawm lub ntaus ntawv lom zem ntau nyob ntawm lub capacitor. Ib tug tag nrho ntawm ob nyob rau hauv tus txheej txheem tswvyim muab. Ib tug ntawm lawv yog tas ntsia nyob ze ntawm lub kauj. Ntawm no, lub thib ob mounted nyob rau tawm rau lub modulator. Lub ntsiab teeb meem ntawm cov pab kiag li lawm yuav suav hais tias ib tug me me dav transmittance ntawm 2 microns. Raws li ib tug tshwm sim, lub amplifiers siv nyob rau hauv lub pab kiag li lawm ntawm no hom tsis tshua muaj.

Ntaus nrog ib maub los

Yog li no pinpointer tus kheej ob txhais tes (tswvyim qhia hauv qab no) yog heev yooj yim. Ua ntej ntawm tag nrho cov nws yog tsim nyog rau cov ntaus ntawv mus khaws ib tug zoo cov ntaub ntawv. Nyob rau hauv cov ntaub ntawv no, xws li ib hom ib tug ntau ntawm qhov chaw tsis nyob. Yog hais tias qhov kev kawm, nws yuav tsum tau nyob tej khw uas xov tooj cua tshuab, thiab yuav raug nqi heev me ntsis. Lub qhov txawv feature ntawm no caij yuav suav hais tias ib tug zoo conductivity. Lub capacitors nyob rau hauv cov ntaub ntawv no tsim los pab ob-electrode hom. kuj parameter nyob rau hauv lawv nruab nrab hovering nyob ib ncig ntawm 2 ohms.

Nws yuav tsum tau muab sau tseg tias cov kauj yuav tsum tau ntsia xub. Nws yuav tau siv ib tug blowtorch. Ntxiv txuas ncaj qha modulator. Nyob rau hauv lub rear ib feem yuav tsum muaj ib rechargeable roj teeb. Lub amplifier nyob rau hauv cov ntaub ntawv no siv yog tsis tsim nyog. Nws yog tshwm sim los ntawm qhov tseeb hais tias lub rhiab heev ntawm lub ntaus ntawv yog significantly txo vim nce nyob rau hauv limiting zaus ntawm lub twj paj nruag.

Kev siv cov multilayer capacitors

Nws yuav multilayer capacitors pinpointer lawv txhais tes (tswvyim qhia hauv qab no) xwb nyob rau hauv lub xub ntiag ntawm orthogonal coils. Lub modulators nyob rau hauv cov ntaub ntawv no yog tsim rau linear thiab uas tsis yog-linear hom. Nws yuav tsum raug borne nyob rau hauv lub siab hais tias pab kiag li lawm ntawm no hom mas feem ntau yog ntsia vibrating mechanisms. Nyob rau hauv cov ntaub ntawv no, beepers yuav pom ntau heev.

Yuav kom nce lub rhiab heev zener pab kiag li lawm yog feem ntau siv. Nyob rau hauv no nrov heev nta yog kardiodnye counterparts. Rau nruab lawv yuav tau siv ib tug blowtorch. Nyob rau hauv kev, nws yuav tsum tau muab sau tseg tias cov qauv nrog rau tej txheej capacitors yog universal, thiab yog zoo tagnrho rau cov tsev siv. Nrog lawv pab, ib tug neeg yog tau haum sai sai nrhiav tau cov chaw qhia kiag ntawm xov nyob rau hauv lub phab ntsa.

Qauv rau ib tug monolithic board

Sau qhov no hom pinpointer tus kheej ob txhais tes yog heev yooj yim. Qhov txawv ntawm cov pab kiag li lawm yog tsis tsuas muaj cov neeg nyeem ntawv, tab sis kuj zoo rhiab heev. Rau cov tub txawg hais tias cov qauv haum zoo. Sau ntaus nrog tsim nyog kho modulator. Nyob rau hauv cov ntaub ntawv no, ntau cov kws txawj pom zoo kom siv cov linear analogues.

Txawm li cas los, uas tsis yog-linear hloov kuj ntau. Beeper nyob rau hauv cov ntaub ntawv no yog teem rau lub kauj. Parameter tswv yim ntaus ntawv pib voltage yuav tsum tsis txhob ntau tshaj 20 V. Rau lub hom phiaj no lub zener compulsorily teem. Ntawm lwm yam uas nyob rau hauv cov ntaub ntawv no soldered yam. Thaum kawg ntawm lub chaw ua hauj lwm yuav tsuas txhim kho lub roj teeb.

Pinpointer nrog resonance tswj

Yuav kom quav lub ntaus ntawv nrog rau cov resonance regulator, nws yog tsim nyog los npaj ua ntej ib tug blowtorch. Tus thawj tsev xaiv kom zoo modulator. Muaj ntau cov kws txawj tseem pom zoo kom siv cov linear analogues nyob rau hauv qhov teeb meem no. Nrhiav rau lawv nyob rau hauv lub khw yog ib qhov nyuaj, tab sis lawv yuav tsum tau me me. Qhov nruab nrab conductivity qhov chaw kawm rau lawv sib npaug zos rau 3 microns. Vim rau qhov no, lub tswv yim pib voltage yuav tsum tau vam ntawm 15V Zener diodes yog haum rau feem ntau ntau haiv neeg. Kuj nyiaj pab ntau tshaj lawv yuam ua hauj lwm kom nyob rau theem ntawm 5 ohms. Nws yuav tsum tau muab sau tseg tias beeper ntaus ntawv lwm yam uas yog tsis xav tau.

Txhim kho ib tug kauj nyob rau hauv cov ntaub ntawv no nws yog advisable mus kav. Nyob rau hauv cov ntaub ntawv no, lub xov rwb thaiv tsev yuav tsum tau muab tshwj xeeb mloog. Nws yuav tsum tau nco ntsoov hais tias hais tias cov enclosure yuav tsum tau kiag li airtight. Rau lub hom phiaj no, raws li ib txoj kev tau mus siv ib tug roj hmab foob. Ncaj qha mus rau lub regulator yuav tsum tau soldered mus rau lub modulator. Capacitors nyob rau hauv no qhov teeb meem yog mas siv teb yam. Yam tsawg kawg nkaus peev xwm ntawm lub roj teeb yuav tsum tau yuav tsum tau 800 mAh.