167-223 MHz 1 5/8" 4 Cav. VHF Starpoint 10kW Transmitter Combiner Compact Cavity Duplexer yeVHF Combiner Multicoupler System

Zvinhu Zvikuru

• Mhangura, silver-plated brass, uye yepamusoro-mhando yealuminium alloy
• 3-cavity, 4-cavity, kana 6-cavity mafirita
• Yakaderera yekuisa kurasikirwa uye VSWR
• Kuzviparadzanisa nevamwe
• Compact patani
• Yakanakisa Yakaderera-inodhura nhepfenyuro mhinduro yemutengi webhajeti
• Iyo yakarongedzerwa uye yakawanda-yakarongeka dhizaini yenhepfenyuro
• Compact patani

High Quality Transmitter Combiners Zvakare muStock

Starpoint (Bazi) VHF Combiners Kusvika 20kW:

• 4 kana 6 Cav. 7/16 DIN 1kW Starpoint VHF Transmitter Combiner
• 1 5/8" 4/6 Cav. 3kW VHF Starpoint Transmitter Combiner
• 4 kana 6 Cav. 1 5/8" 6kW VHF Starpoint Transmitter Combiner 

Yakaenzana (CIB) VHF Combiners Up tp 10kW:

• 1 5/8" 3 kana 4 Cav. 15kW Yakaenzana VHF Transmitter Combiner
• 1 5/8" 3 kana 4 Cavity 15kW VHF Transmitter Combiner 
• 3 1/8" 24kW VHF 6 Cavity Digital Yakaenzana VHF Transmitter Combiner
• 3 1/8" 3 kana 4 Cav. 40kW Yakaenzana VHF Transmitter Combiner

Kutsvaga mamwe ma-transmitter masanganiswa enhepfenyuro yako? Tarisa izvi!

FM combination	VHF Combiners	UHF Combiners	L Band Combiners

• 10kW Starpoint VHF TV Combiner x 1PCS 

Ndapota Taura nesu kuti uwane rumwe Ruzivo

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Zvikonzero Zviviri Nei RF Combiner Inoshandiswa

Kushomeka kwenzvimbo dzepamusoro

Sezvo vanhu vari kutamira kumasabhabhu, zvave kudiwa zvikuru kuvaka nzvimbo huru dzekutepfenyura dzinokwanisa kusvika kunzvimbo dzine vanhu vakawanda kubva kunzvimbo dziri pakati nepakati. Ehe, idzi nzvimbo dzepamusoro dzave dzakanyanya kukosha, saka zvine musoro kushandisa imwe neimwe nzvimbo kusvika pakugona kwayo. Izvi zvinogona kuitwa zvakanyanya nekugovera saiti yekutumira uye antenna yakajairwa pakati pevashandisi vakati wandei. Kuita izvi, indasitiri yenhepfenyuro inoshandisa masanganisi emhando dzakasiyana uye saizi. Somuenzaniso, muSan Francisco (Mt. Sutro), Toronto (CN Tower), Montreal (Mt. Royal), New York City (Empire State Building), uye Chicago (John Hancock neSears Buildings), shongwe refu kana kuti shongwe pazvivakwa yakashandiswa kubatanidza nzvimbo dzakawanda dzekutepfenyura sezvinobvira, zvinosanganisira VHF-TV, UHF-TV, FM uye masevhisi enharembozha. Iyi nzira yakaratidza kushanda zvakanyanya, kwete chete kushandisa real estate mune zvehupfumi asiwo kuparadzira mutengo weshongwe pamusoro pevashandisi vazhinji.

Boka varidzi vezviteshi zveFM pamusika zvakonzera kuwanda kwezviteshi zvakasanganiswa. Uye nekuitwa kweDTV masisitimu, nhepfenyuro dzeFM dziri kumanikidzwa kubva pashongwe dziripo, zvichiita kuti zvinyanye kukosha kuti vagovane nzvimbo yeshongwe, izvo zvinowedzera kudiwa kwemasystem akasanganiswa.

Zvinodiwa zve FCC Isolation 

Kana inopfuura siginecha imwe ichitepfenyurwa pamusoro peantenna imwe chete, masaini anofanirwa kusanganiswa nenzira yekuti hapana mukana uripo wekuti masaini apindure mune emumwe anotumira. Kutadza kuita izvi kwaizobvumira zvigadzirwa zve intermodulation kuti zvigadzirwe mukati mekupedzisira amplifier nhanho dzevatambi uye kutepfenyura pamusoro peantenna. Izvi zvigadzirwa zve-intermodulation zvinowanzonzi "spurs." Spurs yakagadzirwa pakati pezviteshi zveFM inogona kuitika kwete mubhendi reFM chete asiwo mukati meiyo yakaderera bhendi VHF chiteshi uye pamusoro peFM bhendi ichikonzera kukanganisa kune bhendi rendege. Pamusoro pezvo, FCC Rule 73.317(d) inotsanangura kuti spurs inodarika G00 kHz yakabviswa kubva kune inotakura inofanirwa kudzikiswa pazasi peiyo inotakura frequency ne80 dB kana ne43 + 10log10 (simba mumawatts) dB, chero ishoma. Mukuita, zviteshi zvinoshanda zvinoburitsa masimba e5 kW kana kupfuura zvinofanirwa kusangana ne80 dB chinodiwa, nepo zviteshi zvinomhanya zvakaderera TPOs (transmitter simba zvinobuda) zvinowira pasi peiyo computational nzira.

Chiitiko chakaratidza kuti kudzivirira spurs, imwe neimwe transmitter inofanirwa kuparadzaniswa kubva kune vamwe vese musystem neinosvika makumi mana dB, ine 40G kusvika 4 dB inove nechokwadi chekutevedzwa kwemitemo. Spur attenuation inoitwa nemusanganiswa wetransmitter kutendeuka-kutenderera kurasikirwa uye kusefa. Kutendeuka-kupoterera kurasikirwa kwakazvarwa kune nzira iyo spurs inogadzirwa mune inotapurirana. Kurasikirwa uku kunowanzo mhanya muG-50 dB renji yemachubhu-mhando transmitters, nepo 13-15 dB yakajairika kune yakasimba-nyika mayunitsi. Iyo off-frequency siginecha inodzikiswa makumi mana dB painopfuura nepabhendi mafirita emusanganisi module yakananga kune transmitter neiyo spur inogadzira ichibuda kune transmitter imwe G-25 dB pazasi pedanho rechiratidzo chakapinda. Iyi spur inobva yaderedzwa 40 dB apo ichipfuura ichidzokera kuburikidza nebhendi mafirita. Mhedzisiro yacho ispur attenuation ye25 dB, ine zana dB kana kupfuura zvinogoneka.

Munyika yanhasi, musanganiswa wave chikamu chakakosha chetepfenyuro. Zvakakosha kuziva kuti inyanzvi uye yakaoma. Zvinoenderana nezvakanakira uye zvakaipira musangano, mugadziri wesystem anoda kusarudza chaiwo maapplication. Magungano akaiswa nemazvo uye akakwenenzverwa anopfuudza chiratidzo chako kune vateereri vanogara kure, uye kushandisa zvisizvo michinjikwa kunogona kutungamira kukuratidzira, zvichikonzera hutano husina kunaka hweanotapurirana. 

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Nei Yangu RF musanganisi Inomira Kushanda

Mushure memakore ekuenderera mberi nekuyedzwa neFMUSER tekinoroji timu, takaona kuti mhosva yakajairika yemultiplexer ndeyekuti kuramba kunyura kwakatsva.

Mune dzimwe nzvimbo dzakaipa dzemamiriro ekunze (sekutinhira), iyo feeder system yemusanganisi iri panjodzi yekukanganisa kwemheni. Panguva ino, musanganiswa weRF unoratidzwa nekutinhira, unogona kumira kushanda, pamwe nekutsva kweakawanda mafidhi ebazi. Matransmitter akati wandei anogona kunge aine kutarisisa kwakanyanya uye yakakwira voltage kudonha, uye kuramba kunyura kunogona kupiswa. Iyo inonyanya kushanda mhinduro ndeyekutsiva iyo inomira inomira.

Izvo zvakakosha kuti uzive kuti pane zvikonzero zvakasiyana zvekutsanangura kuti sei musanganisi wako weRF achimira kushanda, izvo zvinoda kuti RF matekinoroji aibate zvakasiyana uye abvise kukanganisa. Teerera kana iyo feeder ikatadza kana kuratidzwa kweanotapurirana kunowedzera. Ndokumbira utarise nguva kana iyo RF musanganisi ine tembiricha yakakwira uye kana iyo absorption load kuramba yakajairika.

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Zvikonzero zvina Zvekuwedzera Kutsanangura Nei Yako RF Combiner Imira Kushanda

Munguva yekugadziriswa kwemaitiro, takaona zvakare kuti kunyura kwekudzivirira kwakakuvadzwa uye kukosha kwekupokana kwakava kukuru. Pakati pebasa, isu hatina kuona kuti transmitter yairatidza yakawandisa kana kudonha yakakwira voltage, uye iyo VSWR yeantenna feeder yaivewo yakajairika. Izvi zvakaitika kakawanda. Mushure mekunyatsoongorora, zvinotendwa kuti zvikonzero zvingave zvakasiyana. Mhedzisiro yacho ndeyotevera.

1. Kana iyo antenna feeder isina kujairika, zvinokanganisa kushanda kweRF musanganiswa. Semuenzaniso, kudzivirira kwekudzivirira kweiyo huru yekudyisa kunogona kuve kudiki; Mamiriro ekunze akaipa akadai semvura uye sinou achaunza nekukurumidza pfupi dunhu, rakavhurika dunhu, uye yakaipisisa kumira wave ratio kune antenna, zvese izvi zvinhu zvinoita kuti rimwe simba riratidze kumashure.
2. Iyo indekisi yeRF musanganiswa inowedzera, kuparadzaniswa kwe3dB inotungamira coupler inova yakaderera, uye bhendi sefa inova yakafara. Zvinoenderana neyakajairwa musimboti, isu tinoziva kuti pachave nekuvuza pamagumo ega ega 3dB inotungamira coupler, uye hazvigoneke kuti bandpass sefa iratidze chiratidzo chekunze-kwebhendi zvachose. Kana simba rekuenda kumagumo ekuzviparadzanisa rikakura zvekudarika simba rakayerwa remutoro wekunyura, tembiricha yemutoro wekutora inokwira nekupisa pakupedzisira.
3. Kana iyo modulation yakakurisa, bandwidth yeRF siginecha inova yakakura, uye simba rakanyudzwa kune yekunyudza resistor rinowedzera. Iyo transmitter exciter kazhinji haina kuganhurirwa, uye yekutanga modulation system inowanzo pfuura 130%.
4. Rimwe simba rinozoendeswa kune inonwisa mutoro nekuda kweiyo resonance frequency offset yebhendi-pass sefa, mutakuri frequency offset weiyo transmitter, impedance mismatch pakati peRF musanganiswa uye antenna, nezvimwe.

Zano kubva kuFMUSER: kukanganisa kwekupikiswa kwekunyura kunogona kukonzerwa nechikonzero chimwe kana zvimwe. Kana iyo yekunyura kuramba ikasatsiviwa nenguva, iro simba rinotakurwa neabsorption resistor rinoratidzwa mune inotapurirana, izvo zvinokonzeresa kukuvadza kukuru.

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Chii chinonzi Multiplexing uye Kuti Inoshanda Sei

Iyo Passageway ye Multiplexing RF Signals - RF Multiplexer

A multiplexer chishandiso chinobvumira ruzivo rwedhijitari kubva kune akati wandei kuti riendeswe pamutsetse mumwechete kuti uendeswe kunzvimbo imwe chete. A demultiplexer inoita reverse mashandiro emultiplexing. Zvinotora ruzivo rwedhijitari kubva kumutsara mumwechete uye kugovera kune yakapihwa nhamba yemitsara yekubuda.

Multiplexing inzira yekufambisa ruzivo kubva kune anopfuura imwe sosi kuenda kune imwechete chiratidzo neyakagovaniswa midhiya. Mune chero nzira yekutaurirana ingave yedhijitari kana analogi, tinoda nzira yekutaurirana yekufambisa. Iyi chiteshi inogona kuva waya kana waya isina waya. Hazvisizvo kugovera chiteshi chega chega pamushandisi wega wega.

Naizvozvo boka rezviratidzo rinosanganiswa pamwe chete uye rinotumirwa pamusoro pegwara rakafanana. Nokuda kweizvi tinoshandisa multiplexers. Tinogona kuwanda masimulation kana masaini edhijitari. Kana chiratidzo cheanalog chakapetwa, iyi mhando yemultiplexer inonzi analog multiplexer. Kana chiratidzo chedhijitari chakapetwa, iyi mhando yemultiplexer inodaidzwa kuti digital multiplexer.

Nei RF Multiplexer yakakosha?

Tinogona kutamisa nhamba huru yezviratidzo kune imwe svikiro. Iyo chiteshi inogona kuve yepanyama svikiro senge shaft tambo, simbi conductor, kana isina waya chinongedzo, uye kuwanda kwemasaini kunofanirwa kugadziriswa kamwe chete.

Nokudaro, mari yekufambisa inogona kuderedzwa. Kunyangwe kana kutapurirana kukaitika pachiteshi chimwe chete, hazvifanirwe kuitika panguva imwe chete. Kazhinji, multiplexing inzira inosanganisirwa masaini meseji akawanda kuita chiratidzo chemubatanidzwa kuitira kuti aya masaini meseji afambiswe panzira yakajairika.

Kuti utumire masaini akasiyana pachiteshi chimwe chete, chiratidzo chinofanirwa kupatsanurwa kudzivirira kukanganisa pakati pavo, uye ipapo vanogona kuzviparadzanisa zviri nyore pamagumo ekugamuchira.

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