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Imoduli yesigaba ye-SAIC MG RX5 – Input-Bar -1.5T-12643698

Incazelo emfushane:


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ulwazi lwemikhiqizo

Igama lemikhiqizo Imoduli yesigaba - Ibha Yokufaka
Isicelo semikhiqizo I-SAIC MG RX5
Imikhiqizo ye-OEM NO 12643698
I-Org yendawo KWENZIWE ESHAYINA
Ibhrendi I-CSSOT /RMOEM/ORG/COPY
Isikhathi esiholayo Isitoko, uma singaphansi kwama-PCS angama-20, inyanga eyodwa evamile
Inkokhelo Idiphozithi ye-TT
Inkampani Brand CSSOT
Uhlelo lokusebenza Amandla

 

Ulwazi lwemikhiqizo

I-modulator yesigaba iyisekhethi lapho isigaba segagasi lesithwali silawulwa isignali emodulayo. Kunezinhlobo ezimbili zokuguquguquka kwesigaba se-sine wave: ukuguquguquka kwesigaba esiqondile kanye nokuguquguquka kwesigaba okungaqondile. Umgomo wokuguquguquka kwesigaba esiqondile ukusebenzisa isignali yokumodela ukuze uguqule ngokuqondile amapharamitha weluphu ezwakalayo, ukuze isignali yenkampani yenethiwekhi ngeluphu enomsindo ikhiqize ukushintshwa kwesigaba futhi yakhe igagasi lokushintshwa kwesigaba; Indlela yokuguqulwa kwesigaba esingaqondile iqala ngokushintsha i-amplitude yegagasi eliguquliwe, bese iguqula ukuguqulwa kwe-amplitude ibe ukuguqulwa kwesigaba, ukuze kuzuzwe ukuguquguquka kwesigaba. Le ndlela yasungulwa ngu-Armstrong ngo-1933, ebizwa nge-Armstrong modulation method

Isishintshi sesigaba se-microwave esilawulwa nge-elekthronikhi iyinethiwekhi enezimbobo ezimbili esetshenziselwa ukunikeza umehluko wesigaba phakathi kokuphumayo nokokufaka okungalawulwa isignali yokulawula (ngokuvamile i-DC bias voltage). Inani lokushintsha kwesigaba lingahluka ngokuqhubekayo ngesignali yokulawula noma ngevelu ehlukanisiwe enqunywe kusengaphambili. Abizwa ngokuthi ama-analog phase shifters kanye nama-digital phase shifters ngokulandelanayo. Imoduli yesigaba iyimoduli yokushintsha ukhiye wesigaba kanambambili kusistimu yokuxhumana ye-microwave, esebenzisa igagasi lesikwele eliqhubekayo ukuze lilinganise isignali yenkampani yenethiwekhi. I-Sine wave phase modulation ingahlukaniswa ibe ukuguquguquka kwesigaba esiqondile kanye nokuguquguquka kwesigaba okungaqondile. Ngokusebenzisa ubudlelwano bokuthi i-sine wave amplitude i-Angle iyingxenye yemvamisa esheshayo, igagasi eliguquliwe lingaguqulwa libe yigagasi eliguquliwe lesigaba (noma okuphambene nalokho). Isekethe ye-modulator yesigaba esivame ukusetshenziswa kakhulu yi-varactor diode phase modulator. Isifunda se-modulation yesigaba esingaqondile siyinkimbinkimbi kakhulu kunesekhethi ye-modulation yesigaba esiqondile. Isimiso saso siwukuthi umzila owodwa wesignali yenkampani yenethiwekhi ushintshwa yi-shifter yesigaba esingu-90 ° futhi ingena ku-amplitude-modulator elinganiselwe ukuze icindezele ukuguquguquka kwe-amplitude yesiphathi. Ngemuva kokunciphisa kahle, isignali etholiwe yengezwa komunye umzila wesithwali ukuze kukhishwe isignali ye-amplitude-modulating. Lo mjikelezo ubonakala ngokuzinza kwemvamisa ephezulu, kodwa ukushintshwa kwesigaba akukwazi ukuba kukhulu kakhulu (ngokuvamile ngaphansi kuka-15°) noma ukuhlanekezela okukhulu. I-modulator yesigaba esilula ivame ukusetshenziswa kuma-transmitters omsakazo we-FM.

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Ikhathalogi yemikhiqizo

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