Kwokutenga Yakaderera Pass Sefa yeRadio Station?

 

 

FMUSER anga ari mumwe wevanotungamira redhiyo studio michina vatengesi kweanoda kusvika hafu yezana ramakore. Kubva 2008, FMUSER yakagadzira nharaunda yekushanda iyo inosimudzira kudyidzana kwekugadzira pakati pevashandi vevane hunyanzvi hwekuvandudza mainjiniya uye timu yekugadzira ine hungwaru. Kuburikidza nemweya uyu wekuzvipira kukubatana kwechokwadi, FMUSER yakakwanisa kugadzira mamwe magungano emagetsi, ichishandisa misimboti yakaedzwa nezuro uye ichibatanidza sainzi yepamberi yanhasi. Imwe yezvatinodada zvakabudirira, pamwe nesarudzo yakakurumbira yevatengi vedu vazhinji, ndeyedu RF yakaderera pass sefa yeredhiyo.

 

"Kana iwe uchitsvaga yehunyanzvi nhepfenyuro nhepfenyuro inotengeswa, wadii kusarudza imwe yeakanakisa ekutepfenyura studio michina kubva kuFMUSER? Vanovhara ese maredhiyo e radiofrequency filter magungano, mamwe acho akakosha kunhepfenyuro, semuenzaniso, iyo FM yakaderera pass sefa, pamwe neHPF yakawanda iri kutengeswa, BPF iri kutengeswa, BSF iri kutengeswa, uye yakaderera pass cavity mafirita e. kutengeswa senge 88-108Mhz yakaderera pass sefa iri kutengeswa. UHF uye VHF sefa senge UHF bandpass sefa uye VHF bandpass sefa, uye hongu, ivo zvakare vane yepamusoro mhando redhiyo studio michina inotengeswa."

- - - - - James, nhengo yakavimbika yeFMUSER

 

Chikamu Chinotevera ndicho Nei RF Yakaderera Simba Mafirita ichidikanwa? | Enda

 

Zvatinokuunzirai MuPeji Ino nazvo

 

Ndekupi Kunotenga Low Pass Filter? Sei Low Pass RF Filters ichidiwa? Zvinogumbura Harmonic uye Spurious Emissions Zvinoitika Sei? Yakanakisa RF Yakaderera Pass Sefa Inotengesa  Maitiro ekusarudza Yakanakisa FM Harmonics Sefa yeRadio Station? Zvinonakidza Chokwadi nezveRF Mafirita

 

 FMUSER 20kW FM Yakaderera Pass Sefa Inoshanda Zvakanaka Mu:

 

• Professional FM nhepfenyuro pamatunhu, maneja, uye mataundishipi
• Zviteshi zveredhiyo zvepakati uye zvakakura zvine ultra-wide coverage
• Professional FM radio station ine vanopfuura mamirioni evateereri
• Radio nhepfenyuro vanoshanda vanoda yakakwana redhiyo turnkey mhinduro nemutengo wakaderera

 

Kutenda kune fekitori yepasi rose, FMUSER, semugadziri anotungamira we kutengeswa kwemidziyo yenhepfenyuro, yakabudirira kushandira marudzi ese evatengi nekupa zvizere nhepfenyuro mhinduro kweanopfuura makore gumi, chinhu chimwe chine chokwadi chekuti a high simba lowpass sefa ine 2nd uye 3rd harmonics kusefa kunowanzo shandiswa kubatanidza uye kupatsanura isina waya masaini eredhiyo kubva kune akawanda FM radio transmitters. 

 

"Hatigone kuti FMUSER ndiyo yakanakisa nhepfenyuro yeredhiyo inotengesera pasirese, asi kune vamwe venhepfenyuro yeredhiyo, hongu, FMUSER ichokwadi mutengesi uye mugadziri we midziyo yeredhiyo."

 

 - - - - - Peter, nhengo yakavimbika yeFMUSER

 

▲ Kwaunotenga Yakanakisa FM Low Pass Sefa ▲

▲ Back to Content ▲

 

Nei RF Yakaderera Simba Mafirita ichidikanwa kuRadio Station?

 

Chikamu Chapfuura ndicho Kwaunotenga Yakanakisa FM Low Pass Sefa | Enda

Chikamu Chinotevera ndicho Zvinogumbura sei Harmonic uye Spurious Emissions Zvinoitika | Enda

 

Chikamu Chinokosha cheRadio Station Equipment

 

Hezvino zvikonzero zvishoma nei RF yakaderera pass mafirita ichidikanwa kune redhiyo nhepfenyuro indasitiri:

 

• Harmonics uye kuburitsa kwekunyepedzera hazvigone kudzivirirwa, uye zvinozokanganisa nhepfenyuro mumabhendi akasiyana eredhiyo uye kuderedza mhando yezvirongwa zveredhiyo uye ndiko kukosha kweiyo coaxial yakaderera pass sefa kunhepfenyuro.

 

• Kana ukasashandisa nyanzvi yeRF yakaderera pass sefa, unogona kurangwa nedhipatimendi redhiyo renzvimbo (seFCC) yekugadzira kupindira kukuru kweredhiyo, semuenzaniso, nhamba dzemaharmoniki asingadiwi uye kuburitswa kwenhema kunogadzirwa neFM yako uye. TV transmitter

 

• Radio transmitters anoshandisa high power frequency low pass mafirita kudzivirira maharmoninic emissions ayo anogona kukanganisa kumwe kutaurirana.

 

• Kudzvinyirira FM station transmitter harmonics: FM transmitters anowanzo gadzira maharmonics - akawanda eanotapurirana frequency. Mamwe acho anokonzeresa kukanganiswa neVHF-tv uye UHF-tv kugamuchira uye paging uye cellular redhiyo kugamuchira. Iyi nhevedzano yeakakwira simba yakaderera pass mafirita anopfuura nepakati pese FM frequency bhendi nekurasikirwa kwakaderera uye inopa yakawanda yekudzvinyirira kudzvinyirira.

 

 

Tenga RF Harmonics Sefa kubva kuFMUSER Broadcast

 

Iko kukosha kukuru kwe RF Harmonics sefa ndeyekubatsira nhepfenyuro kusarudza masaini anodiwa ekushandisa. Kunyanya kune nhepfenyuro hombe, maitiro ekupa vateereri emhando yepamusoro zvirongwa zveredhiyo pasina kurangwa neredhiyo manejimendi ndicho chinhu chinodiwa kuti uwedzere kukwikwidza kwevezera reredhiyo uye nekuvandudza ruzivo rwemaredhiyo.

 

FMUSER inopa harmonic filters akadai sa 20kW FM yakaderera pass sefa kune transmitter simba mazinga anosvika gumi kW. Iyo yakasarudzika dhizaini inopa 20 dB kana kurambwa kukuru kubva kune yechipiri kusvika kune yechigumi harmonic uye kupfuura. Izvi zvinopa mafirita ane hurefu hwese 45% kusvika 30% mapfupi pane akajairwa FM harmonic mafirita. 

 

Isu tine akanakisa RF mafirita ari kutengeswa, tenga mafirita eRF iro simba kubva pa500W kusvika pa1000W kubva kuFMUSER! Kunyanya, ivo 20kW FM yakaderera pass sefa iri kutengeswa (LPF) uye 10kW VHF yakaderera pass mafirita ari kutengeswa (LPF), 10kW VHF bandstop sefa iri kutengeswa (BSF), 350W UHF dhijitari bhendi sefa iri kutengeswa, uye imwe yedu yepamusoro-inotengeswa nhepfenyuro nhepfenyuro - FM bandpass mafirita ari kutengeswa.

 

Unogona kuwana zvese zvaunoda kana ukaramba uchiongorora, tine FM bandpass mafirita simba iroro kubva pa500W kusvika pa1kW, kunyanya, iwo 500W, 1500W, 3000W, 5000W, 10000W FM bandpass mafirita izvo zvakagadzirirwa zvakanyanya FM radio nhepfenyuro. Kunze kwezvo, kugadziridza kunowanikwa kune harmonics mafirita, ese ane bhajeti mutengo uye zvinoshamisa mhando, tibvunze isu rutsigiro, tese tiri nzeve!

 

Seimwe yemagungano akakosha ekutepfenyura eFM / TV nhepfenyuro, iyo RF mhango sefa inodiwa semusanganiswa weFM / UHF / VHF, nhepfenyuro yeredhiyo, kufambisa antenna, uye zvimwe zvakafanana nhepfenyuro yenhepfenyuro. Iko hakusi kuwedzeredza kutaura kuti sechinhu chepakati chezvigadzirwa zveRF passive zvigadzirwa, mafirita akanyanya kukosha kupfuura chero mamwe maassembly anoitwa muanodzokorora uye zviteshi zvepasi.

 

Zvakadaro, iyo RF sefa, semuenzaniso, iyo yakaderera pass RF sefa, chishandiso chinodiwa padivi rekutepfenyura renhepfenyuro yekudzvanya maharmonics anogadzirwa neanoparadzira. Izvi zvinodaro nekuti maRF system anoshanda pasirese pasi rese vanoshandisa ma frequency akasiyana, saka kune akawanda masaini masaini anozunguza mumhepo, mamwe acho ndeeterevhizheni, mauto, mamwe ndeekutsvagisa mamiriro ekunze uye zvimwe zvinangwa.

 

▲ Nei RF Mafirita achidikanwa kune Radio Station ▲

▲ Back to Content ▲

 

Zvinogumbura Harmonic uye Spurious Emissions Zvinoitika Sei?

 

Chikamu Chapfuura ndicho Nei Low Pass RF Mafirita achidikanwa | Enda

Chikamu Chinotevera ndicho Yakanakisa RF Harmonics Sefa iri Kutengeswa | Enda

 

Chinonetsa vese mainjiniya eRF ndechekuti harmonic uye spurious emissions haigone kudzivirirwa. Kune vanoita nhepfenyuro yeredhiyo, zvakakosha kuti unzwisise kuti chii chinonzi harmonics uye spurious emissions, kana kuti anogadzirwa sei uye nekudzikisa maitiro avo.

 

Panguva imwecheteyo, zvinobatsirawo kudzora mhando yezvirongwa zveredhiyo, FMUSER's nyanzvi yeRF tekinoroji timu yakatsanangura kwatiri rumwe ruzivo rwe theoretical nezve harmonics uye manyepo emission.

 

Kana iwe uchida kuenderera mberi nekunzwisisa kuti nei nhepfenyuro ichida nyanzvi RF mafirita, ungangoda zvinotevera zvirimo

 

Ko Harmonics Inogadzirwa sei?

 

Frequency dzinoitika pane chaiyo yakawanda yekuisa frequency inonzi harmonics. Mune mamwe mazwi, harmonics isingadiwe kutapurirana, inova yakawanda yeinotarisirwa kufambisa frequency. Kutapurirana kusingadiwi uku kunoitika padanho resimba rakaderera pane rinodiwa kutapurirana.

 

Sezvatinoziva tese, kune mudziyo unokosha munhepfenyuro, kureva, maredhiyo. Kunyangwe 1kW kana 10kW transmitter ichave yakanyatso gadzirwa, uye yakakosha RF chikamu cheiyo transmitter ine bhendi-pass sefa, asi dzinenge dzese RF transmitter inoburitsa mamwe maharmonics, Kunyangwe iyo nyanzvi isina waya inotamisa haigone kudzivirira zvese kuzara uye kurasika. emission

 

Harmonics zvakare inoonekwa sechinogona kukonzera kukanganiswa kweRF. Mamwe masaisai, akadai semasaisai masikweya, masawtooth waves,s, uye matatu matatu masaisai, ane simba rakawanda paharonic frequency.

 

Spurious Emission Inogadzirwa Sei?

 

Kusiyana neharmonics, kuburitsa kwekunyepedzera hakuitike kana iyo frequency yekupinza yakapetwa kaviri; Havana kuiparadzira nebwoni. Spurious emission inobuda netsaona, inowanzonzi splash. Iwo ndiwo mhedzisiro ye intermodulation, electromagnetic interference, frequency conversion, kana harmonics.

 

▲ Zvinogumbura sei Harmonic uye Spurious Emissions Zvinoitika ▲

▲ Back to Content ▲

 

Yakanakisa RF Yakaderera Simba Sefa Inotengeswa 

 

Chikamu Chapfuura ndicho Maitiro eHarmonics uye Spurious Emissions Zvinoitika | Enda

Chikamu Chinotevera ndicho Maitiro ekusarudza Yakanakisa FM Harmonics Sefa | Enda

 

Iwe Unoda Iyi Yakaderera Pass RF Sefa Kupfuura Kare

 

Tese tinoziva kuti maredhiyo ekufambisa anoshandisa low pass RF mafirita kudzivirira maharmonics uye kuburitswa kwekunyepedzera kunogona kukanganisa kumwe kutaurirana, nepo vazhinji veFM transmitters vachigadzira harmonics kunyangwe makumi enguva dzeiyo frequency frequency. 

 

Neraki, FMUSER 20kW FM yakaderera pass sefa ndeimwe yeakanakisa RF system kusefa magungano eFM nhepfenyuro frequency band. Kuti tibatsire kudzikisira kukanganiswa kwakaunzwa neharmonics uye manyepo emission, FMUSER pano inopa imwe yedu inodada harmonic mafirita-the 20kW RF yakaderera pass sefa yeFM nhepfenyuro.

 

Yakaderera Pass RF Sefa Yakagadzirirwa Chete Yemhando Yakanyanya

 

Kana iwe usingade izvo zvisingadiwe harmonics kuti zviwire mu frequency bhendi zvisina basa kwauri uye zvichikonzera kukanganisa kwakanyanya (iwe unogona kugamuchira boka rematsamba ekunyunyuta anonetsa uye kurangwa nemamwe masangano anodzora), semuenzaniso, mafambiro ezviteshi zveTV kana dzimwe nhepfenyuro. Kushandisa FMUSER 20kW RF yakaderera pass sefa ndiyo yakanakisa nzira yekukubatsira iwe kusunungura kubva kune izvo zvinogumbura harmonics uye zvinonetsa tsamba dzekunyunyuta. 

 

 

• Inoshamisa Harmonics Kusefa Mano

 

Chinhu chikuru cheizvi high power low pass filter ndezvayo harmonic attenuation kugona - zvichienderana neyakavimbika bvunzo data yeFMUSER's bvunzo timu, yechipiri harmonic attenuation uye yakakwirira harmonic attenuation yeiyi. 20kW yakaderera pass RF sefa vasvika zvakateerana ≥ 35 dB uye ≥ 60 dB, inova yakanyanya kusimba yekusefa kugona kweredhiyo. 

 

• Yakawedzera-Yakaderera Kupinza Kurasika

 

The kuderera kwekuisa kurasikirwa yeFMUSER's 20kW FM yakaderera pass sefa inoita kuti ive yakakodzera kumazinga emagetsi anosvika 20000 watts, zvinoreva kuti neiyi inoshamisa RF sefa, unokwanisa kusanganisa uchishandisa akasiyana siyana eredhiyo ane masimba akasiyana munhepfenyuro, uye vateereri vanogona kuwana zvirongwa zveredhiyo emhando yepamusoro uye yakanyanya kuderera harmonics! Chibatanidza: 3 1 / 8 "yakanyanya kupinza simba 20kw

 

• Zvakanakisa Mushandisi Zvakaitika

 

Iwo 20kW Low Pass mafirita ari kutengeswa, akavakirwa-mukati ane nyore yekubatanidza sisitimu, akanyatso kugadzirirwa FM Radio Station. Kufunga yakanakisa mushandisi ruzivo, iyo sefa sisitimu inogonesa kusanganisa nyore muFM transmitters.

 

FMUSER inopa mutsara wakazara weiyo FM uye UHF/VHF Mafirita yekudzvinyirirwa kweharmonics munhepfenyuro dzeredhiyo. 

 

Kutaura pasi rose, tinoda kubatsira nhepfenyuro dzeredhiyo kubva kumativi ese enyika kuti vatsaure vatepfenyuri veFM, tinoona kuti vamwe vacho vanoratidza kufarira kukuru mukubatanidza mafrequency akawanda eFM pane imwe chete antenna, vamwe vangada kuita tsika kunyorera. kune avo akawanda ma transmitter muzviteshi zvavo. 20kW FM yakaderera pass sefa, semuenzaniso, ndeimwe yezvakanakisa-kutengesa kwedu FM harmonics mafirita inoshandiswa kubatanidza FM radio transmitters simba rinosvika 20kW, unogona kuona murume uyu muhombe mune mamwe maredhiyo makuru eFM.

 

TINOGARA TINOTEERERA KUZVINODIWA ZVAKO kana iwe uchifarira imwe yedu yepamusoro-kutengesa RF harmonics mafirita. 

 

Fungidzira Iwe Unoda Zvakawanda Kupfuura Zvaunoona

 

Sezvatataura pamusoro, isu tiri vamwe vezvakanakisa vagadziri vemidziyo yeredhiyo munharaunda yepasirese, kunze kweiyo 20kW yakaderera pass RF sefa, unogonawo kusangana nevamwe pamusoro-kutengesa RF mafirita mune zvinotevera zvirimo. Zvakanaka, mhando yakanaka uye bhajeti mutengo senguva dzose.

 

Chati A. FM/VHF LPF Yakaderera Pass Sefa Inotengeswa

 

Zvinotevera ndizvo 10kW VHF Bandreject Sefa VHF BSF Bandstop Sefa fkana Kutengesa | Enda

 

kupatsanura	mhando	Max. Power Input	VSWR	maitikiro dungwerungwe	Kuchengetedzwa	2nd harmonic	3rd harmonic	Connectors	Shanyira Zvimwe
FM	A	20 kW	≤ 1.1	87 - 108 MHz		≥ 35 dB	≥ 60 dB	3 1 / 8 "	More
VHF	B	10 kW	≤ 1.1	167 - 223 MHz		≥ 35 dB	≥ 60 dB	3 1 / 8 "	More

 

Chati B. 10kW VHF BSF Bandstop Bandreject Sefa Inotengeswa

 

The Previous is FM/VHF LPF Yakaderera Pass Sefa Inotengeswa | Enda

Zvinotevera ndizvo 350W UHF DTV BPF Bandpass Sefa iri Kutengeswa | Enda

 

kupatsanura	mhando	Max. Power Input	VSWR	fv	f0±4MHz	maitikiro dungwerungwe	Kuchengetedzwa	fv-4.43±0.2MHz	Connectors	Shanyira Zvimwe
VHF	A	10 kW		≤ 1.1	≤ 1.1	167 - 223 MHz		≥ 20 dB	3 1 / 8 "	More

 

Chati C. 350W UHF DTV BPF Bandpass Sefa Inotengeswa

 

The Previous is 10kW VHF BSF Bandstop Bandreject Sefa Inotengeswa | Enda

Zvinotevera ndizvo FM BPF Bandpass Sefa iri Kutengeswa | Enda

 

kupatsanura

mhando

Max. Power Input

Cavities

VSWR

Kuisa Loss

f0

f0±3.8MHz

f0±4.2MHz

f0±6MHz

f0±12MHz

Shanyira Zvimwe

UHF

A

350W

6

≤ 1.15

474 MHz

≤ 0.50 dB

≤ 1.3dB

≥ 8 dB

≥ 20 dB

≥ 40 dB

More

858 MHz

≤ 0.60 dB

≤ 1.65dB

≥ 8 dB

≥ 20 dB

≥ 40 dB

More

 

Chati D. FM BPF Bandpass Sefa iri Kutengeswa

 

The Previous is 350W UHF DTV BPF Bandpass Sefa iri Kutengeswa | Enda

Zvinotevera ndizvo VHF BPF Bandpass Sefa iri Kutengeswa | Enda

 

kupatsanura

mhando

Max. Power Input

Cavities

VSWR

maitikiro dungwerungwe

Kuisa Loss

f0

f0±300kHz

f0±2MHz

f0±4MHz

Connectors

Shanyira Zvimwe

FM

A

500W

3

≤ 1.1

87 - 108 MHz

≤ 0.70 dB

≤ 0.75 dB

25 dB

40 dB

7-16 DIN

More

FM

A1

500W

4

≤ 1.1

87 - 108 MHz

≤ 1.10 dB

≤ 1.20 dB

40 dB

60 dB

7-16 DIN

More

FM

A

1500W 1.5kW

3

≤ 1.1

87 - 108 MHz

Kuisa Loss

≤ 0.30 dB

≤ 0.35 dB

25 dB

40 dB

7-16 DIN

More

FM

A1

1500W 1.5kW

4

≤ 1.1

87 - 108 MHz

≤ 0.50 dB

≤ 0.60 dB

40 dB

60 dB

7-16 DIN

More

FM

A

3000W 3kW

3

≤ 1.1

87 - 108 MHz

Kuisa Loss

≤ 0.25 dB

≤ 0.30 dB

25 dB

40 dB

1 5 / 8 "

More

FM

A1

3000W 3kW

4

≤ 1.1

87 - 108 MHz

≤ 0.40 dB

≤ 0.45 dB

≥ 40 dB

60 dB

1 5 / 8 "

More

FM

A

5000W 5kW

3

≤ 1.1

87 - 108 MHz

Kuisa Loss

≤ 0.20 dB

≤ 0.25 dB

≥ 25 dB

40 dB

1 5 / 8 "

More

FM

A1

5000W 5kW

4

≤ 1.1

87 - 108 MHz

≤ 0.35 dB

≤ 0.40 dB

40 dB

60 dB

1 5 / 8 "

More

FM

A

10000W 10kW

3

≤ 1.1

87 - 108 MHz

Kuisa Loss

≤ 0.15 dB

≤ 0.15 dB

25 dB

40 dB

3 1 / 8 "

More

FM

A1

10000W 10kW

4

≤ 1.1

87 - 108 MHz

≤ 0.25 dB

≤ 0.30 dB

≥ 40 dB

60 dB

3 1 / 8 "

More

 

Chati E. VHF BPF Bandpass Sefa iri Kutengeswa

 

The Previous is FM BPF Bandpass Sefa iri Kutengeswa | Enda

Dzokera ku FM/VHF LPF Yakaderera Pass Sefa Inotengeswa | Enda

 

kupatsanura

mhando

Max. Power Input

Cavities

VSWR

maitikiro dungwerungwe

Kuisa Loss

f0

f0±300kHz

f0±2MHz

f0±4MHz

Connectors

Shanyira Zvimwe

VHF

A

500W

4

≤ 1.1

167 - 223MHz

≤ 0.40 dB

≤ 0.50 dB

20 dB

35 dB

7-16 DIN

More

VHF

A1

500W

6

≤ 1.1

167 - 223MHz

≤ 0.80 dB

≤ 1.00 dB

50 dB

70 dB

7-16 DIN

More

VHF

A

1500W 1.5kW

4

≤ 1.1

167 - 223MHz

Kuisa Loss

≤ 0.15 dB

≤ 0.20 dB

20 dB

35 dB

1 5 / 8 "

More

VHF

A1

1500W 1.5kW

6

≤ 1.1

167 - 223MHz

≤ 0.25 dB

≤ 0.30 dB

50 dB

70 dB

1 5 / 8 "

More

VHF

A

3000W 3kW

3

≤ 1.1

167 - 223MHz

Kuisa Loss

≤ 0.10 dB

≤ 0.15 dB

10 dB

20 dB

1 5 / 8 "

More

VHF

A1

3000W 3kW

4

≤ 1.1

167 - 223MHz

≤ 0.20 dB

≤ 0.25 dB

20 dB

35 dB

1 5 / 8 "

More

VHF

A

5000W 5kW

3

≤ 1.1

167 - 223MHz

Kuisa Loss

≤ 0.10 dB

≤ 0.10 dB

10 dB

20 dB

1 5 / 8 "

More

VHF

A1

5000W 5kW

4

≤ 1.1

167 - 223MHz

≤ 0.15 dB

≤ 0.20 dB

20 dB

35 dB

1 5 / 8 "

More

VHF

A

10000W 5kW

3

≤ 1.1

167 - 223MHz

Kuisa Loss

≤ 0.10 dB

≤ 0.10 dB

10 dB

20 dB

3 1 / 8 "

More

VHF

A1

10000W 5kW

4

≤ 1.1

167 - 223MHz

≤ 0.15 dB

≤ 0.20 dB

20 dB

35 dB

3 1 / 8 "

More

 

Tenga RF Harmonics Sefa yeRadio Station? Heino Nzvimbo Yakakodzera!

 

FMUSER ndeimwe yeakanakisa RF mafirita anogadzira anogadzira harmonics Sefa iri kutengeswa munyika dziri pedyo ne200+ nematunhu pasirese, hedzino nyika dzakakurudzirwa dzaunogona kutaura kubva kwadziri.

 

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Tinogara Tiripo kune Zvaunoda

 

Uchiri kufunga nezvazvo RF harmonics sefa mutengo? Isu tinogadzira nekugadzira bhajeti uye inokwanisika harmonics mafirita eredhiyo, Kubva LPF low pass filters to bandstop filters uye FM/UHF/VHF bhendi mafirita, etc.

 

Zadza "Bata nesu" pepa kuruboshwe uye tizivise zvaunoda zvirevo, mumwe wedu ane ruzivo kutengesa achakurumidza kupindura uye kubatsira kusarudza an FM/TV harmonics sefa iyo inosangana nechido chako, kunyanya kumibvunzo yakaita seyepamusoro-kutengesa pasi pasi sefa inotengeswa, bandpass sefa customization, yakazara sefa turnkey mhinduro, etc. Zvakanaka, mibvunzo yakajairika yakadai semutengo, nguva yekutumira, kana zvirevo zvakare zvakasununguka kubvunza. Taura zvaunoda, TINOGARA TINOTEERERA.

 

▲ Yakanakisa RF Harmonics Sefa iri Kutengeswa  ▲

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Maitiro ekusarudza Yakanakisa FM Harmonics Sefa yeRadio Station?

 

Chikamu Chapfuura ndicho Yakanakisa RF Harmonics Sefa iri Kutengeswa | Enda

Chikamu Chinotevera ndicho Zvinonakidza Chokwadi uye Q&A nezve RF Mafirita | Enda

 

Vamwe vevatengi vedu vane kusahadzika sekunge, ini handinyatso kunyatsoziva nzira yekusarudza mhando ye RF harmonics sefa, kana kuti ndinoda mhando mbiri dze harmonics filters asi ini ndine 50K $ chete yekutenga, nezvimwe.

 

Maererano nekutsvaga kwekutsvaga kwekutengesa kwe FMUSER harmonics mafirita, takaona kuti iyo yepamusoro-kutengesa RF harmonic filters vane zvinhu zvinotevera zvakafanana:

 

1. Various Filter Customization uye OEM Welcome

 

Kugadziriswa uye dhizaini yesefa inoratidza hunyanzvi hwemugadziri wemidziyo yekutepfenyura uye kugona kwemidziyo yekutepfenyura. Yakanakisa RF harmonics sefa inofanirwa kuve nehunhu hwemutengo webhajeti, hupenyu hurefu hwesevhisi. FMUSER 20kW FM mafirita epasi-pasi anoitika ari nyore kushandisa uye mutengo-ushamwari kune vanofambisa nhepfenyuro.

 

2. Inowanikwa Zvishoma 1 PCS Dhizaini uye Tsika Sevhisi

 

Dhizaini uye gadzirisa sevhisi inopihwa kune isingaite shoma ye1 pcs Sefa. Nekuti akasiyana maredhiyo anoshanda anofanirwa kutarisana nezvinodiwa chaizvo zveakasiyana nhepfenyuro, ingave iyo RF sefa mutengesi anogona zvakasununguka kugadzirisa uye dhizaini mafirita ave mamwe emazinga ekuyedza kugona kwevanopa mafirita. Nei FMUSER ichingomira kunze kwevazhinji vatengesi vemafirita imhaka yekuti mafirita avo eRF anogoneka, anoita-pamusoro, mutengo webhajeti, uye nyore kushandisa. Kunyangwe mafirita mangani aunoda kugadzirisa, FMUSER inogona kugara ichikushandira

 

3. RF Harmonics Sefa Kutenga Gwaro kubva kuFMUSER

 

Maitiro ekusarudza iyo pamusoro RF harmonics mafirita pakati pevashambadziri venhepfenyuro yeredhiyo mugore ra2021 rave dambudziko rinokurudzira kune vazhinji FMUSER vatengi vatsva nevakuru.

 

Mushure mekudzidza kwechikwata chedu chehunyanzvi, takaona kuti mamwe maparamita ehunyanzvi anogona zvakare kukubatsira kuita sarudzo, isu tinopindawo mumitambo, tichizvipira kukupa yedu yakanakisa harmonics sefa iwe, nekudaro, kana uchida. RF harmonic mafirita ari kutengeswa kana kuda chero ruzivo nezve zvichangoburwa harmonic filters mutengo kubva kuFMUSER, ndapota zivai izvozvo TINOGARA TINOTEERERA!  

 

• Iyo Yepasi Pimu Iyo Yakasimba Zviratidzo

 

Semuenzaniso, PIM (AKA: Passive Intermodulation), tinoziva kuti PIM ndiyo mhedzisiro yezviratidzo zvisingabatsiri zvinogadzirwa nekusanganiswa kweaviri kana anopfuura mafrequency mune nonlinear passive zvishandiso. Aya masaini matsva anozokanganisa uye kukanganisa masaini ekutanga anofambiswa pakati peaviri masisitimu asina waya. Inogona kuunza kukanganiswa kwechiratidzo mune chero isina waya system. Low PIM inoreva kuva nechiratidzo chakasimba chine bandwidth yakawanda kune vakawanda vashandisi, zvinoreva kugutsikana kwevatengi uye mari yakakwirira yevashandi.

 

• Iwe Unoda Yakaderera Kupinza Kurasika uye Kudzorera Kurasika

 

Kurasikirwa kwekupinza uye kurasikirwa kwekudzoka kunoita basa rakakosha mukugadzira uye kusimudzira kwepamusoro-frequency zvishandiso seRF mafirita, RF simba dividers, uye RF amplifiers. Icho chiitiko chechisikigo chinoitika mumhando dzose dzekutumira (data transmission kana magetsi). Sezvo ichi chiri chokwadi kune dzinenge dzese mitsara yekutapurirana yemuviri kana nzira dzekufambisa, iyo nzira yakareba, inowedzera kurasikirwa. Pamusoro pezvo, kurasikirwa uku kuchaitikawo panzvimbo yega yega yekubatanidza pamutsara, kusanganisira majoini nemajoini. Kusangana kwepamusoro-frequency senge RF mafirita, iwo mafirita ane yakaderera yekuisa kurasikirwa uye mamwe anoyevedza ekutengesa mapoinzi anogona kazhinji kuve sarudzo yekutanga kune vanobata radio.

 

• Zviri Kure Kupfuura Zvaunoona

 

Sezviri pachena, kune mareferensi akakosha kupfuura Kurasika kurasikirwa, mamwe maparamita akadai sekunamatira kukosha uye yakakwirira simba kubata, nezvimwe zvinhu zvakakosha kana uchitenga yakanaka RF harmonics sefa. Kana iwe uchida rumwe ruzivo rwemahara nezve RF harmonics mafirita, ndapota ita shuwa kuti ubate timu yedu yehunyanzvi, ivo 7/24 pamhepo vakamirira nhau dzako dzakanaka. Hezvino izvo FMSUER tekinoroji timu inoratidza:

 

• Kudzikisa dimension yefirita nemakwikwi emitengo Yakakwana chigadzirwa cheyakasiyana siyana redhiyo microwave frequency, seTerecommunication system, IEEE 802.
• Kwakanaka tembiricha kugadzikana
• High power kubata uye yakanakisa attenuation kukosha
• Etc.

 

Zvekudzvanya FM Station Transmitter Harmonics: FM transmitters anowanzo gadzira maharmonics - akawanda eiyo transmitter frequency. Zvimwe zveizvi zvinokonzeresa kukanganiswa kuVHF-TV uye UHF-TV kugamuchira uye paging uye cellular redhiyo kugamuchira. Iyi nhevedzano yemafirita epasi-pasi anopfuura iyo yese bhendi yeFM nekurasikirwa kwakaderera uye inopa yakakura kudzvinyirira kudzvinyirira.

 

▲ Maitiro ekusarudza Yakanakisa FM Harmonics Sefa ▲

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Zvinonakidza Chokwadi uye Q&A nezve RF Mafirita

 

Chikamu Chapfuura ndicho Maitiro ekusarudza Yakanakisa FM Harmonics Sefa | Enda

Back to First Part Kwaunotenga Yakanakisa FM Low Pass Sefa | Enda

 

Kana iwe uchida kuziva zvakawanda nezve dhizaini chimiro kana chikamu chekushambadzira cheRF sefa, FMUSER inokurudzira kuti udzidze nezve passive zvemagetsi kana kubvunza timu yedu yekutengesa zvakananga, nekuti izvo zvawaverenga hazvina kukwana kutsanangura RF sefa zvizere uye zvakajeka kwauri. (PS: Wikipedia inogona kusakwanisa kuzviita). Naizvozvo, Zvese zvatingaite kwauri kutsanangura zviri nyore uye zvakajeka chimiro uye marudzi eRF mafirita, uye mashandiro eRF mafirita. Pano, FMUSER inonyora mimwe mibvunzo inonakidza nezveRF Mafirita akasimudzwa nevatengi vedu venhepfenyuro, uye hongu mhinduro dzedu. Ndokumbira urambe uchiverenga Kana iwe uchida kuziva zvakawanda nezveRF mafirita. 

 

Q1: Mafirita eRF Anoshanda Sei Dzimwe Nzira Kunze kweFM/TV Station?

 

RF Mafirita zvinhu zvakakosha muhunyanzvi husina waya, RF mafirita anoshandiswa nevanogamuchira redhiyo kuitira kuti chete mhando chaiyo yema frequency inogona kuvaraidzwa uchisefa mamwe mabhendi asingadiwe efrequencies. Iwo maRF mafirita akagadzirwa nenzira yekuti anogona kushanda zviri nyore pamarenji anotangira kubva pakati kusvika kune yakanyanyisa frequency, kureva megahertz uye gigahertz. Nekuda kwehunhu hwayo hwekushanda, inonyanya kushandiswa mumidziyo yakadai seredhiyo yekutepfenyura, isina waya kutaurirana, uye terevhizheni, nezvimwe.

 

Iwo maRF mafirita anogona kusefa kunze ruzha kana kuderedza kupindira kwezviratidzo zvekunze zvinogona kukanganisa kunaka kana kuita kwechero nzira yekutaurirana. Kushaikwa kwemafirita akakodzera eRF munzvimbo kunogona kukanganisa kutamiswa kwemasaini emagetsi izvo zvinogona kupedzisira zvakuvadza maitiro ekutaurirana.

 

Iine mafirita akakodzera eRF munzvimbo, iko kupindira kwekunze pamwe nekukanganiswa kwechiratidzo kunogadzirwa neiyo yakavakidzana yekutaurirana system inogona kuvharika kunze. Izvi zvinochengetedza mhando yeinodiwa masaini ma frequency uku uchisefa zvese zvisingadiwe masaini ma frequency zviri nyore.

 

Nekuda kweizvi, iyo RF mafirita anoita basa rakakosha mune isina waya yekutaurirana sisitimu, setiraiti, radar, nharembozha isina waya, nezvimwe. 

 

Kazhinji, mafirita haana huremu uye anogona kubatsira nekusimudzira mashandiro eiyo frequency frequency. Munyaya iyo iyo RF mafirita ari kutadza kupa iyo inotarisirwa kuita, saka unogona kuongorora dzimwe sarudzo dzakasiyana, imwe yacho ndeyekuwedzerwa kweamplifier kune dhizaini yako. Kubva kuTrellisware amplifier kune chero imwe RF simba amplifiers, unogona kushandura yakaderera masaini ma frequency kune epamusoro; nokudaro kuwedzera kushanda kwese kweRF magadzirirwo.

 

Uye zvakare, maRF mafirita anoita basa rakakosha munharaunda yenharembozha zvakare. Kana zvasvika kune nharembozha, dzinoda imwe huwandu hwemabhendi kuti iite nemazvo. Nekushaikwa kweiyo RF sefa, mabhendi akasiyana haatenderwe kuvapo panguva imwe chete izvo zvinoreva kuti mamwe mabhendi acharambwa, kureva Global Navigation Satellite System (GNSS), kuchengetedzwa kweveruzhinji, Wi-Fi, nezvimwe. Pano, mafirita eRF anoita basa rakakosha nekubvumira mabhendi ese kuti avepo panguva imwe chete.

 

Nekuda kwekukura R&D kusimudzira kweFMUSER, tinovhara akawanda emafirita akasiyana kwauri, ndapota ita shuwa kubata timu yedu yekutengesa kana usina chokwadi kuti ndedzipi dzakanakira nhepfenyuro yako, yedu yekutengesa uye tekinoroji timu ichave yakamirira NENZVE DZESE.

 

Q2: Iwe Unogadzira Sei RF Sefa?

 

Kazhinji, mafirita eRF anogadzirwa neakabatanidzwa resonators uye akagadzirwa ane passive reactive zvinhu senge capacitors, inductors, uye (zvishoma) RF mashanduri, ayo akasanganiswa inductors. Iwo mafirita anowanzo mutsara, uye pazvinenge zvichidikanwa imwe mhando yekusimudzira anogona kusanganiswa neRF amplifiers anoiswa neRF transistors (ingave bipolar kana munda-effect). Mafirita anodiwa kana zvasvika pakusefa masaini asingadiwe kubva pakupinda muredhiyo. Iwo anoshandiswa mukubatana neakasiyana emagetsi. Nekudaro, kushandiswa kwayo kwakanyanya kunouya mukati meredhiyo frequency domain.

 

Kune iyo yakaderera pass sefa, dunhu rayo rinongobvumira yakaderera pass frequency zvikamu uye inovharira mamwe ese epamusoro ma frequency macomponents anonzi a low pass filter. Iro zita LPF pacharo rinoratidza yakaderera renji frequency.

 

Zvichienderana nekushandiswa uye saizi yemidziyo isina waya, kune akawanda mafirita emhando, kureva mafirita, mafirita anoronga, mafirita emagetsi, mafirita edielectric, coaxial mafirita (asina hukama necoaxial tambo), nezvimwe.

 

FMUSER inyanzvi inogadzira RF harmonics mafirita. Tine hunyanzvi hwekutepfenyura ruzivo chengetedzo uye timu yehunyanzvi. Kana iwe uine chero mibvunzo nezve RF mafirita panguva yekuverenga iyi mugove, tinokugamuchirai kubvunza timu yedu yehunyanzvi rutsigiro.

 

Q3: Mangani Marudzi eRF Filter Aripo uye Ndeapi Chaizvo?

 

Radio Frequency mafirita imhando yakakosha yedunhu inobvumira masaini akakodzera kuti apfuure ivo vachidzima masaini asingade. Kana zvasvika kune iyo sefa topology, kune mana ekutanga eRF mafirita marudzi, kureva; high-pass; band-pass; uye bhendi-ramba (kana notch mafirita). Iwo anowanzo RF mafirita ane chimiro chemanera, uye "nzvimbo" yezvikamu (inductors uye capacitors) ndiyo inotsanangura mhando yavo; kukosha kwezvikamu zvinotsanangura huwandu hwechiratidzo (es) chavanovharira kana kusavharira.

 

• Low Pass Filter - Lowpass Sefa - LPF

 

Iyo yakaderera pass sefa ndiyo inongobvumira yakaderera frequencies kuti ipfuure panguva imwe chete, ichiremedza imwe neimwe yechiratidzo frequency. Huwandu hwekuderedzwa kweiyo frequency yechiratidzo kana ichipfuura nepakati pebhendi inosarudzwa nezvinhu zvakawanda senge sefa topology, marongerwo, uye kunaka kwezvikamu, nezvimwe. Pamusoro pezvo, iyo sefa topology inosarudzawo kuti sefa ichachinja nekukurumidza sei kubva passband kuitira kuti iwane kurambwa kwayo kwekupedzisira.

 

 

 

Low pass filters inouya nenzira dzakasiyana siyana. Iko kushandiswa kukuru kwesefa iyi kudzvinyirirwa kweRF amplifier's harmonics. Hunhu uhwu hwakakosha sezvo hunobatsira mukudzivirira kukanganiswa kusingadiwe kana zvasvika kune akasiyana mabhendi ekutakurisa. Kunyanya, iyo yakaderera pass mafirita anoshandiswa mukuteerera maapplication uye kusefa kunze ruzha kubva kune chero ekunze redunhu. Mushure meiyo yepamusoro-frequency masaini apepetwa, zvinokonzeresa masaini ma frequency anowana crisp uye yakajeka mhando.

 

• High Pass Filter - Highpass Sefa - HPF

 

Kusiyana neiyo yakaderera pass sefa, iyo yakakwirira pass sefa (HPF) inongobvumira iyo yakakwira-frequency chiratidzo kuti ipfuure. Muchokwadi, mafirita epamusoro anopindirana kune yakaderera pass mafirita sezvo ese ari maviri anogona kushandiswa akabatana kugadzira bandpass sefa. Dhizaini yeiyo yepamusoro pass sefa yakatwasuka uye inoremedza mafrequency akadzikira pane chikumbaridzo.

 

 

 

Kazhinji, mafirita epamusoro anoshandiswa mumaodhiyo masisitimu ayo ese akadzika mafrequency anosefa kunze. Mukuwedzera, inoshandiswa kubvisa mabhesi mumatauriri maduku, uye kakawanda; masefa aya akanyatso kuvakwa muvatauri. Nekudaro, kana zvasvika kune chero DIY purojekiti, iyo yakakwirira pass mafirita anogona nyore kuvharirwa muhurongwa.

 

• Band Pass Sefa - Bandpass Sefa - BPF

 

Bandpass sefa (BPF) idunhu rinobvumira masaini kubva kune maviri akasiyana frequencies kuti apfuure uye anodzora masaini asingauye mukati mekugamuchirwa kwayo. Mazhinji emasefa ebhendi anotsamira pane chero ekunze kwesimba sosi uye anoshandisa anoshanda zvinoumba, seyakabatanidzwa maseketi uye transistors. Masefa akadaro anodaidzwa kunzi active bandpass filters. Kune rimwe divi, mamwe mabhendi ekupfuura mafirita haashandise ekunze kwesimba sosi uye anovimba zvakanyanya nezvinongoita zvinhu, kureva inductors uye capacitor. Masefa aya anozivikanwa se passive bandpass filters.

 

 

Band pass mafirita anowanzo shandiswa mune isina waya inogashira uye transmitters. Basa rayo guru mutransmitter ndere kudzikamisa iyo inobuda chiratidzo bandwidth kusvika padiki kuitira kuti data rinodiwa rigone kuendeswa nekumhanya kwaunoda uye fomu. Kana zvasvika kune anogamuchira, iyo bhendi pass sefa inobvumira chete huwandu hunodiwa hwema frequency kuti agadzirwe kana kunzwika, uku achicheka mamwe masaini anouya kubva kuasingadiwe frequency.

 

 

Zvose mune zvose, kana bandpass filter yakanyatsogadzirwa, inogona kuwedzera nyore kunaka kwezviratidzo, asi panguva imwe chete, inogona kuderedza kukwikwidzana kana kukanganisa pakati pezviratidzo.

 

• Band Ramba Sefa - Band Stop Sefa - Ramba Sefa - BSF

 

Dzimwe nguva inozivikanwa sebhendi yekumisa sefa (BSF), bhendi kuramba isefa inobvumira mazhinji ma frequency kupfuura asina kuchinjwa. Nekudaro, inoderedza mafambiro akadai ayo anowira pasi peiyo chaiyo siyana. Iyo inoshanda chaizvo nenzira yakatarisana neyeiyo bandpass sefa.

 

 

Chaizvoizvo, basa rayo nderekupfuura nepakati pemafrequency kubva ku zero kuenda kune yekutanga kucheka-kubvisa poindi ye frequency. Pakati, inopfuura ese mafrequency ari pamusoro pechipiri chekucheka-kubvisa poindi ye frequency. Nekudaro, inoramba kana kuvharira mamwe ese mafrequency ari pakati pemapoinzi maviri aya.

 

 

Zvese mune zvese, sefa chinhu chinobvumira masaini kuti apfuure nerubatsiro rwepassband. Izvo zvakati, kumira musefa ndiyo nzvimbo inorambwa mamwe ma frequency nechero sefa. Ingave yakakwirira pass, yakaderera pass, kana bhendi, iyo yakakodzera sefa ndiyo isingaratidzi kurasikirwa mupassband. Nekudaro, muchokwadi, hapana chinhu chakadai seyakanaka sefa sezvo bhendi inosangana nekurasikirwa kwema frequency uye hazvigoneke kuwana kurambwa kusingagumi kana zvasvika pakumira.

 

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