HTC Instrument FG-2002 Fumana iFunction Generator

Olu chungechunge lwesixhobo yijenereyitha yomqondiso kunye neempawu ezifana nezinzile kakhulu, i-broadband kunye ne-multi-function .Uyilo lwembonakalo lunamandla kwaye luhle. Kwaye kulula ukusebenza, inokuveliswa ngokuthe ngqo i-sine wave, i-triangle wave, i-square wave, i-ramp, i-pulse, kwaye inemisebenzi yokulawula igalelo leVCF. I-TTL /CMOS inokuba njengemveliso elungelelanisiweyo kunye ne-OUTPUT. I-Waveform ehlengahlengisiweyo i-symmetry kwaye ine-reverse output, inqanaba le-DC linokulungiswa ngokuqhubekayo. Imitha yefrikhwensi inokuba njengomboniso wefrikhwensi yangaphakathi kunye nokulinganisa amaza angaphandle. Ilungele ngakumbi imfundiso, uphando lwezenzululwazi kunye nokulinga iisekethe ze-elektroniki kunye ne-pulse.

Iimpawu eziphambili zobugcisa

1. Uluhlu lokuphindaphinda: 0.1Hz-2MHz
   • 0.1Hz-5MHz
   • 0.1Hz-10MHz
   • 0.1Hz-15MHz
2. Imo yamaza: iliza elinesine, iliza elingunxantathu, iliza lesikwere, i-sawtooth ePositive neNegative kunye nepulse ePositive neNegative
3. Isikwere-wave ngaphambili: 0.1Hz-2MHz <100ns
   • 0.1Hz-5MHz<50ns
   • 0.1Hz-10MHz <35ns
   • 0.1Hz-15MHz <35ns
4. Sine wave
   • Uphazanyiso :< 1% (10Hz-100KHz)
   • Impendulo rhoqo: 0.1Hz-100 KHz ≤±0.5dB
     • 100 KHz-5MHz ≤±1dB (LW1642)
     • 100 KHz-2MHz ≤±1dB (LW1641)
5. TTL / CMOS imveliso
   Inqanaba: Inqanaba eliphantsi le-TTL Pulse alikho ngaphezu kwe-0.4V, izinga eliphezulu alikho ngaphantsi kwe-3.5V. Ixesha lokunyuka: akukho ngaphezulu kwe-100ns
6. Isiphumo:
   • Ukuphazamiseka: 50Ω±10%
   • Ampimfundo: akukho ngaphantsi kwe-20vp-p (umthwalo ongenanto)
   • Ukuthotywa: 20dB 40dB
   • I-DC bias 0-±10V (Isoloko ihlengahlengiswa)
7. Uluhlu lohlengahlengiso lwe-symmetry: 90:10-10:90
8. Ungeniso lweVCF
   • Igalelo voltage:-5V-0V±10%
   • Umthamo omkhulutage ratio: 1000:1
   • Igalelo uphawu: DC-1KHz
9. Imitha yokuphindaphinda
   • Uluhlu lokulinganisa: 1Hz-20MHz
   • Ukuthintela Igalelo: hayi ngaphantsi kwe-1 MΩ/20pF
   • Uvakalelo: Iifayile
   • Elona galelo liphezulu: I-150V (AC + DC) ene-attenuator
   • Ukunciphisa igalelo: 20dB
   • Impazamo yomlinganiselo: ≤0.003%±1digit
10. Umda wokuziqhelanisa namandla
    • Umqulutage: 220V±10 %( 110V±10%)
    • Ukuphindaphinda: 50Hz±2Hz (220V±10%)
    • Amandla: 10W (Ngokuzikhethela)
11. Iimeko zokusingqongileyo
    • Ubushushu: 00C -400C
    • Ukufuma: ≤RH90%
    • Uxinzelelo lomoya: 86kPa-104kPa
12. Ubungakanani (L ×W×H):310×230×90mm
13. Ubunzima:Malunga ne-2-3Kg

Umgaqo

Umzobo weBloko wesixhobo uboniswa njengoMfanekiso 1

1. isekethe yolawulo lomthombo wangoku,
   Le nxalenye yesekethe iboniswa njengoMzobo 2, i-Vbe entle ye-transistor ivaliwe ngenxa yokuvala i-loop yeesekethe ezidibeneyo, ukuba ingahoywa njenge-block offset vol.tage IUP=IDOWN=VC/R
2. Ijenereyitha yesikweri-amaza,
   Lo ngumthombo okhoyo oqhubekayo olawulwa ngamaza angama-triangular - i-square-wave generator, kwi-Figure 3. I-Diode yayiquka i-capacitor yokulawula isiphaluka i-capacitor C ukutshaja kunye nokukhupha, usebenzisa i-comparator ye-high-speed ukulawula ukucima kunye nokucima i-diode switches (V105-V111) . Xa isithelekisi B siphezulu, i-V107 kunye ne-V109 yokuziphatha, i-V105 kunye ne-V111 inqunyulwe, umthombo oqhubekayo wangoku wenza intlawulo efanelekileyo kwi-capacitance edibeneyo C, xa umthelekisi B uphantsi, i-V105 kunye ne-V111 yokuziphatha, i-V107 kunye ne-V109 inqunyulwe, rhoqo umthombo wangoku wenza ukukhutshwa okulungileyo kwi- integral capacitance C . Ngoko njengoko umjikelo, imveliso yenqaku ngunxantathu wamaza, isiphumo samanqaku e-B sisikwere samaza. Ngelixa i-wave, i-square wave itshintsha, unokutshintsha kwakhona amandla okutshintsha ubungakanani besixhobo.

   
   
3. A (Amandla Ampiilifi)
   Ukuze kuqinisekiswe izinga eliphezulu kakhulu lokubulala kunye nokuzinza okulungileyo, amandla ampIsekethe ye-lifier esetyenziswa njengejelo-mbini, iyonke ampIsekethe ye-lifier ineempawu zesigaba esiguqulweyo.

   

4. Digital frequency meter
   Isekethe yenziwe ngebroadband ampi-lifier, i-square-wave shaper, i-microcontroller, umboniso we-LED, njl. ampukunyuswa kunye nokulawula, ekugqibeleni kuboniswe kwi-tube yedijithali ye-LED. Ngelixa umlinganiselo wangaphakathi, isiginali yangena kwi-counter ngokuthe ngqo, ibala ixesha lamasango, indawo ye-tube ye-LED kunye ne-Hz okanye i-KHz igqitywe yi-CPU.

   

5. Amandla
   Esi sixhobo sisebenzisa amaqela amathathu e-±23, ± 17, ± 5 amandla. I-±17 ngowona mthombo wamandla olawulayo; ±5 ifunyenwe yi-7805-regulator ehlanganisiweyo iisekethe 23 zokusetyenziswa rhoqo, ± XNUMX esetyenziswa njengamandla. ampisihlanguli.

Iimpawu zoLwakhiwo

Isixhobo samkela i-chassis yonke-metal enesakhiwo esiqinileyo, iipaneli zeplastiki ezincamathisiweyo, inkangeleko entsha entle.Kwaye incinci ngobunzima obukhanyayo, uninzi lwamacandelo (kubandakanywa nesitshixo) sesekethe ifakwe kwibhodi yesekethe eprintiweyo. amacandelo ohlengahlengiso abekwe kwindawo ebonakalayo. Xa izixhobo kufuneka zilungiswe, unokususa izikhonkwane ezibini zokuqina kweplate yangasemva, ukukhulula ipleyiti ephezulu nesezantsi.

Umyalelo wokusetyenziswa kunye nokugcinwa

Uphawu lwephaneli kunye neNkcazelo yoMsebenzi; Jonga njengetheyibhile 1 kunye noMfanekiso 6

1. Ukutshintsha kwamandla: Cinezela iswitshi, uqhagamshelo lwamandla, isixhobo sikwimeko yokusebenza
2. Ukhetho lweWaveform:
   • Ukukhethwa kwemveliso yamaza
   • Nxibelelanisa ne SYM, INV, ungafumana iwaza elungileyo kunye nenegative sawtooth wave kunye nepulse wave
3. Ukutshintsha okukhetha rhoqo: Ukutshintshela okukhethiweyo rhoqo kwaye "8" khetha i-frequency yokusebenza
4. Iiyunithi zokuphindaphinda: bonisa iiyunithi zokuphindaphinda, ukukhanya okusebenzayo
5. Iiyunithi zokuphindaphinda: iiyunithi zefrikhwensi, ukukhanya okusebenzayo
6. Umboniso wesango: Ngelixa ukhanyisa oko kuthetha ukuba imitha yombane iyasebenza.
7. I-Digital LED: Yonke i-frequency eyenziwe ngaphakathi okanye i-frequency elinganisiweyo yangaphandle iboniswa yi-LED ezintandathu.
8. Ummiselo wokuphindaphinda: isantya sangaphakathi nangaphandle sokulinganisa (cofa) isignali yeshuni
9. Igalelo langaphandle lokuthomalalisa i-20dB ilungelelanisa kunye ne-3 ekhethiweyo yokusebenza amaza: ukhetho lwangaphandle lokulinganisa amaza, ngelixa ucinezela isignali ithotywe i-20dB.
10. Ukufakwa kwekhawuntari: Ngelixa ulinganisa amaza angaphandle, umqondiso ungene ukusuka apha
11.  Ramp, i-pulse wave ye-knob yohlengahlengiso lwe-knob: Utsale iqhosha, ungatshintsha i-symmetry ye-output waveform, ekhokelela kwi-ramp kunye ne-pulse kunye nomjikelo womsebenzi ohlengahlengiswayo, eli qhosha liyanyuswa njenge-symmetrical waveform.
12. Igalelo leVCR: Umthamo wangaphandletage lawula ubuninzi bokufaka
13. Iqhosha lohlengahlengiso lomkhethe we-DC: Utsale iqhoshana, unokuseta indawo yokusebenza ye-DC yayo nayiphi na ifom yamaza, isalathiso se-Clock silungile , I-Anti-ixesha lokuya kwe-negative, eli qhosha liyanyuswa emva koko i-DC-bit nguziro.
14. Imveliso ye-TTL/CMOS: Imveliso ye-waveform njenge-TTL / CMOS pulse ingasetyenziswa njengemiqondiso ehambelanayo.
15. I-TTL, i-CMOS Regulation: Yakhupha iqhosha, unokufumana i-TTL pulse
    Iyakhuthazwa i-CMOS pulse kwaye uluhlu lwayo lunokulungiswa.
16. Imveliso yomqondiso: Imveliso ye waveform iphuma apha. I-impedance yi-50Ω.
17. Ukuthomalalisa isiphumo: Cofa iqhosha kwaye linokuvelisa ukuncipha kwe -20dB okanye-40dB
18. I-oblique wave inversion switch, iqhosha lohlengahlengiso lwesantya: a) Nxibelelanisa kunye ne "11", xa ikhutshwe i-wave ibuyele umva. b) Lungisa ubungakanani boluhlu lwemveliso.
19. Ukuhlengahlengisa kancinane: Nxulumanisa ne "(8)" , esetyenziselwa ukulungisa amaza amancinci.
20. Umboniso wokuphuphuma: Xa i-frequency iphuphuma, bonisa isixhobo.

Ukugcinwa kunye nokulinganisa

Isixhobo sinokusebenza ngokuqhubekayo phantsi kweemeko ezifunekayo, kodwa ukuze siqinisekise ukusebenza kakuhle, sicebise ukulungisa qho kwiinyanga ezintathu. Ulandelelwano lolungiso ngolu hlobo lulandelayo:

1. Ulungelelwaniso lokugqwetheka kwamaza e-sine
   I-Symmetry, i-DC bias kunye ne-modulation control switch ayitsalwanga ngaphandle, ibeka i-multiplier frequency ku-"1K", i-frequency display as 5Khz okanye 2KHz, lungisa ngokukhawuleza i-potentiometer RP105, RP112, RP113 ukuze ukuguqulwa kuncinci, phinda oku ngasentla. sebenza amaxesha amaninzi, ngamanye amaxesha iqela lonke
   (100Hz-100KHz) ingaphantsi kwe-1%.
2. Isikwere-amaza
   Ukusebenza rhoqo ukuya kwi-1MHz, i-C174 echanekileyo ukwenzela ukuba impendulo yesikwere-amaza ibe ngowona mzuzu ungcono
3. Uhlengahlengiso lokuchaneka rhoqo
   Seta imitha yobuninzi njengemeko ye-"EXT"; qhagamshela umthombo wesignali oqhelekileyo we-20MHz imveliso kwikhawunta yangaphandle, lungisa i-C214 ukubonisa njenge-20000.0 KHz.
4. Uhlengahlengiso lobuzaza rhoqo
   Umqondiso we-sine-wave apho uluhlu lwemveliso yomthombo wesignali yi-100mVrms kunye ne-frequency yi-20MHz idibaniswe kwi-counter yangaphandle, ixesha lesango libekwe kwi-0.01s; lungisa i-RP115 ukubonisa njenge-20000.0 KHz

Ingxaki yokucoca

Ukucoca inkathazo kufuneka kwenziwe phantsi kwemeko yokuba uqhelene nomgaqo wokusebenza kunye nesekethe. Kuya kufuneka uhlole inyathelo lesekethe ngenyathelo njengolu myalelo ulandelayo: unikezelo lwamandla olulawulwayo - Unxantathu wamaza - ijenereyitha yamaza yesikwere - isekethe yamaza esine - amandla ampi-lifier – i-frequency count circuit – idispleyi ye-frequency meter. Kuya kufuneka ubeke endaweni yesekethe edibeneyo okanye amanye amacandelo ngelixa usungula ukuba yeyiphi indawo esengxakini.

Ukulungiswa kwesiHlomelo

• Imanyuwali Nye
• Intambo (50Ω umgca wovavanyo) omnye
• Intambo (umgca weBNC) omnye
• Fuse Mbini
• Amandla umgca Nye

Amaxwebhu / Izibonelelo

HTC Instrument FG-2002 Fumana iFunction Generator [pdf] Imiyalelo I-FG-2002, Fumana i-Function Generator, i-Function Generator, i-FG-2002, i-Generator

Iimbekiselo

• Incwadi yokusebenzisa