Signal janareto: zane da kuma manufa na aiki. A sinusoidal siginar janareta

Signal janareto - na'urorin da cewa ana da farko tsara don gwada riwayar. Bugu da kwararru amfani da su wajen auna halaye na analog converters. Test model riwayar ya auku da simulating sigina. Wajibi ne a duba nema for yarda da zamani nagartacce. Signal kai tsaye zuwa cikin na'urar za a iya ciyar da a tsarkake nau'i ko da wani murdiya. Its kudi na tashoshi iya bambanta.

Ta yaya janareta?

Idan muka yi la'akari da gargajiya model na wata sigina janareta, da gaban panel nuni za a iya gani. Wajibi ne a saka idanu da vibrations da kuma gudanar da wani iko. A saman allon ne edita cewa yayi wani iri-iri daban-daban ayyuka. Next zo sevensor kasa, wanda ya nuna da vibration mita. Ƙõramu ne modeline. A matakin na siginar mawadãta ko kawar da za a iya sarrafawa da biyu mashiga. Don aiki tare da fayiloli raba mini-mashaya. Tare da taimakon da gwajin sakamakon za a iya adana ko nan da nan bude.

Mai amfani don su iya canza Samfur mita, da janareta yana da wani musamman kayyadewa. Numerically, za ka iya kyawawan sauri aiki tare. Jimloli sakonni, yawanci located a kasa na wani allo na'urar. Yana kuma ya hada da wani jawo janareta ga digging.

na gida da na'urorin

Make wata sigina janareta da hannayenku na da matsala saboda da wuya daga cikin na'urar. Babban yanki na kayan aiki da aka dauke su a mai zaɓin. An tsara Model wani yawan tashoshi. Haihuwarka a cikin na'urar yawanci yana da biyu. Don daidaita mita janareta na bukatar synthesizer. Idan muka yi la'akari da Multi-tashar na'urori, da microcontrollers su dace da KN148 jerin. Converters ana amfani kawai analog irin.

Na'urorin sinusoidal siginar

Sinusoidal siginar janareta kewaye yana amfani da wani fairly sauki. Amplifiers da kawai da aiki irin za a iya amfani da su. Wajibi ne ga al'ada watsa cajin sigina daga resistors. Potentiometers suna kunshe a cikin tsarin rated a ba kasa da 200 ohms. bugun jini wajibi sake zagayowar dogara a kan gudun nuna alama sa tsari.

Domin m tuners shigar Multi-tashar na'urorin. A mita kewayon da janareta sinusoidal siginar canjãwa lokacin da Rotary ƙurma. Don gwada da mai karɓar za kawai shige da modulating irin. Wannan ya nuna cewa tashoshi na da janareta ya kamata a kalla biyar.

Tuki a low-mita oscillator

A low mita siginar janareta (makirci nuna a kasa) ya hada da akwatin tilbijin na analog resistors. Potentiometers ne da za a shigar da darajar 150 ohms. Don canza darajar da bugun jini jerin amfani KK202 modulators. Generated a cikin wannan yanayin na faruwa ta cikin capacitors. Tsakanin resistors a kewaye jumper dole ne a kafa. Da ciwon biyu fil za ka iya saita sigina janareta (low) canji.

The aiki manufa na sauti model

Danganta janareta Ft Irfan sakonni na mita ƙarfin lantarki ne amfani da farko zuwa mai zaɓin. Bugu da ari, alternating halin yanzu ya wuce ta cuta na transistors. Bayan yi hira da aikin hada capacitors. Hawa da sauka nuna a kan allon ta amfani da wani microcontroller. Don daidaita mita iyaka bukatar musamman tashoshi a kan guntu.

Matsakaicin fitarwa iko a cikin hali na wani audio sigina janareta iya cimma wani 3 GHz, amma kuskure ya zama kadan. limiter aka kafa domin wannan kusa da resistor. Phase amo ana riskarsa da tsarin saboda da haši. Phase daidaitowa index dogara kawai a kan halin yanzu hira kudi.

Students gauraye siginar na'urar

A misali oscillator kewaye da irin wannan shi ne daban-daban Multi-tashar mai zaɓin. Lokacin da wannan fitarwa panel yana da fiye da biyar. A wannan yanayin, a kalla iyaka mita za a iya saita zuwa 70 Hz. A capacitors suna samuwa a cikin da yawa model da damar ba fiye da 20 PF. Resistors sau da yawa suna kunshe a cikin maras muhimmanci darajar 4 ohms. farko yanayin saitin lokaci ne a kan talakawan 2.5 seconds.

Saboda gaban baya ikon watsa limiter naúrar iya isa 2 MHz. Frequency bakan a cikin wannan harka za a iya sarrafawa da modulator. mutum jimloli suna samuwa ga fitarwa impedance. Cikakkar daidaito matakin a kewaye shi ne daidai kasa da 2 DB. Riwayar a misali tsarin ne RR201 jerin.

Hanawa Waveform Na'ura

Wadannan na'urori ana tsara don karamin kuskure. m jerin yanayin aka bayar. Standard mai zaɓin kewaye shafi tashoshi shida. Mafi qarancin mita siga daidaita 70 Hz. M bugun jini janareta na da irin wannan ana tsinkayarsu. Capacitors a kewaye capacitance da ba kasa da 20 PF. Fitarwa impedance na'urar da aka kiyaye domin 5 ohms.

Saka bayanai aiki tare siginar janareto ne quite daban-daban. Wannan shi ne saboda, yawanci da irin haši. A sakamakon haka, Yunƙurin lokaci jeri daga 15 zuwa 40 ns. Total halaye, akwai biyu model (mikakke kuma logarithmic). Tare da su taimako, amplitude za a iya canja. Frequency kuskure a cikin wannan yanayin ne kasa da 3%.

Gyare-gyare hadaddun sakonni

Don gyara hadaddun siginar janareto kwararru amfani kawai multichannel zaba. Suna sanye take da amplifiers ba tare da kasa. Don canja yanayin amfani da gwamnoni. Saboda halin yanzu Converter zama m tare da mita kasa 60 Hz. Yunƙurin lokacin da talakawan ya kamata ba fiye da 40 ns. A saboda wannan dalili, da ƙaramar capacitance ne 15 PF. Resistance ga alama tsarin dole ne a gani a yankin na 50 ohms. Murdiya a 40 kHz ne kullum 1%. Saboda haka, gwajin janareta za a iya amfani karba.

Janareto da gina-in edita

Signal janareto na irin wannan ne mai sauqi ka saita. Gwamnoni da aka tsara don hudu mukamai. Saboda haka, matakin da iyaka mita za a iya gyara. Idan muka magana game da saitin lokaci, shi ne a da yawa model ne 3 ms. Wannan shi ne cimma da microcontroller. Su suna da alaka da hukumar ta wajen jumpers. Bandwidth limiters a janareto na da irin wannan ba a shigar. Transducers aka shirya bisa ga makirci na zaba. Synthesizers model suna da wuya amfani. Matsakaicin naúrar ikon fitarwa ne a matakin 2 MHz. The kuskure ne kawai 2% a yarda a wannan harka.

Na'urori tare da dijital jimloli

siginar da janareto da dijital fitarwa haši suna sanye take da jerin KR300. Resistors, bi da bi, hada da wani par darajar ba kasa da 4 ohms. Saboda haka, ciki juriya na resistor an aje manyan. Test data na'urar m karba da ikon ba fiye da 15 V. A fili na transducer ne da za'ayi kawai ta hanyar da jumper.

Zaba janareto iya saduwa da uku- da hudu-tashar. A guntu a cikin wani misali kewaye, kullum zartar da irin KA345. Sauya zuwa Meter, yi amfani ne kawai da nuna. Nisa daidaitowa janareto faruwa wajen sauri, kuma wannan shi ne cimma by wani babban izinin kudi. Ya kamata ka kuma yi la'akari da low matakin na broadband amo a 10 DB.

Juna tare da wani babban Agogon mita

Signal janareta da wani babban Agogon mita bambanta babban iko. A ciki juriya shi ne iya withstanding wani talakawan na 50 ohms. A bandwidth na irin model ne yawanci daidaita 2 GHz. Bugu da kari, ya kamata a lura da cewa capacitors amfani da damar ba kasa da 7 PF. Saboda haka, matsakaicin halin yanzu an kiyaye a kusa da 3 A. ganiya murdiya a cikin tsarin iya zama 1%.

Amplifiers ne kullum janareto iya saduwa kawai aiki irin. Bandwidth limiters aka shigar a kewaye a farko da kuma a karshen. Mai haši saboda zabi da irin siginar da take ba. Microcontrollers za a iya samu mafi sau da yawa RRK211 jerin. Mai zaɓin da aka tsara don m tashoshi shida. Gwamnoni juya a irin wannan na'urorin suna samuwa. Matsakaicin iyaka mita za a iya saita zuwa 90 Hz.

Aiki ma'ana siginar janareto

Wannan alama janareta yana resistors rated a ba fiye da 4 ohms. Cikinsa ciki juriya an aje fairly high. Don rage siginar watsa kudi za a kafa amplifiers aiki irin. Binciken na da panel, kamar yadda mai mulkin, akwai uku. Fili delimited watsa daukan wuri kawai ta hanyar da jumper.

A sauya a cikin na'urorin shigar swivel. Biyu halaye za a iya zaba. Domin lokaci daidaitowa siginar janareto na da irin wannan za a iya amfani da su. Siga broadband amo daga gare su, ba ya wuce 5 DB. Devatsii nuni mita, yawanci a kusa da 16 MHz. A disadvantages ne dogon Yunƙurin lokaci da kuma fada. Wannan shi ne saboda da low kayan da aka samar da damar da microcontroller.

A oscillator kewaye da modulator MH101

A misali oscillator kewaye da modulator mai zaɓin azurta biyar tashoshi. Wannan ya sa ya yiwu ta yi aiki a mikakke yanayin. Matsakaicin mawadãta a low kaya 10 ne kiyaye a cikin ganiya. DC biya diyya ne fairly rare. A siga ne fitarwa yanzu a kusa da 4 A. A mita kuskure ne iya isa a kalla 3%. A talakawan lokaci daga Yunƙurin na janareto irin modulators ne 50 ns.

A waveform ne square kalaman tsarin ana riskarsa. Test karba amfani da wannan model, za ka iya ikon tashi zuwa 5 V. logarithmic janye yanayin damar quite nasarar aiki tare da daban-daban kida. The gudun gyara a panel za a iya canza smoothly. Saboda babban fitarwa impedance load an cire daga transducer.