UmisiriChingwe ndi Satellite TV

The chipangizo cha kusintha kwa zimbale ndi dzanja. Yeniyeni ndi losavuta kusintha kwa mlongoti kuti Kanema wa

Masiku ano, anthu ambiri amakonda Kanema TV. Komabe, tiyenera adzanyamula kukumbukira kuti mlongoti akufuna anatsekula. Kuti zimenezi zitheke, msika amapereka chipangizo yapadera yomwe kudziwa malo enieni a nthambi a. Zimenezi ikuchitika ntchito wolandirayo. Capacitors amagwiritsidwa ntchito pofuna kusintha pafupipafupi pakhomo chizindikiro.

Self-anasonkhanitsa chipangizo cha mtundu uwu ndi mayiyu azivutika pakhomopo. Komabe, ngati inu kuphunzira kasinthidwe zofunika chipangizo, mukhoza kusankha chitsanzo zophweka kwambiri kwa khamulo. M'pofunikanso kukumbukira kuti ntchito moyenera kusinthidwa ake ayenera kuyezedwa. Features wa zoikamo chipangizo zimadalira mtundu chitsanzo.

Ray chipangizo pa transistors

Kupanga mtundu wa chipangizo kusintha mbale Kanema nokha ndi kovuta lero. Komabe, ngati mutapeza zosakaniza zonse zofunika, ndiye yang'anani mu nkhani imeneyi ngati nkotheka. Unit choyamba chofunika kwa wolandila wabwino. Monga ulamuliro, izo anasankha mtundu asynchronous. Komabe, limapereka msika, ndi zosintha zina. Magawo zosiyana.

The ntchito amalandira asynchronous ndi kukhazikika awo. Komanso, iwo amatha ntchito pa mafurikwense mkulu. Pambuyo ogwiritsa chigawo ayenera soldered mwachindunji resistors lapansi. Chifukwa chaichi, adzayenera ntchito blowtorch. Komabe, kulankhula izi ayenera kukhala oyera pamaso pa chinthu chilichonse zitsulo. Condensers kwa lachitsanzo zimenezi zili zoyenera kwambiri mtundu kumunda. Mphamvu iwo aakulu, koma ubongo nthawizina zokhumudwitsa. Zosefera kwa chipangizo nthawi zambiri osankhidwa kudzudzulidwa mtundu. Muzisonyeza chitsanzo ayenera anasankha payokha. Mwachindunji Chip kalasi KK20 ntchito amalandira.

Zambiri chida kusintha kwa transistors zozungulira

Chochunira Kanema mbale paokha zikuchitika mafunde yochepa. Choyamba wosuta ayenera bwererani mbendera. Pakuti chipangizo ichi tilinazo ayenera kuchepetsedwa ngati kuli kotheka. Pambuyo pake, m'pofunika kufufuza zoikamo options. Mwachitsanzo, mlongoti akhoza ankaona "Hotbird". The chopatsilira yakwera shortwave ake.

Atakhala Hotbird Kanema mlongoti zagwiridwa ndi pakhomo pafupipafupi 50 Hz. Kenako, m'pofunika kuwonjezera pang'onopang'ono. Pankhaniyi, ilili deta zofunika kudziwa pasadakhale. Pankhaniyi, zimadalira mtundu wa wolandila. Atasankha pakhomo pafupipafupi tilinazo zofunika kuchotsera. Choncho ayenera kubwera pamaso zonse chizindikiro Yambitsaninso.

Model ndi laser wolandila

Pangani laser wolandila chipangizo cha kusintha kwa tinyanga Kanema ndi manja anu ndi kovuta kunyumba. Chitsanzo choyamba mwachibadwa anasankha thupi. Pankhaniyi, kusonyezedwa kawirikawiri amagwiritsidwa ntchito ndi P2P modulator zino. Mwachindunji Zener chitsanzo ndi abwino okha burodibandi.

Komabe, akatswiri ena adakali amakonda analogs kusankha. Wolandila ayenera kuikidwa pafupi sefa. Mu nkhani iyi, zener diode ndi soldered mu kukhota lomaliza. Kuyesa chitsanzo, muyenera kugwiritsa ntchito pulogalamu "sipekitiramu". Akapsa zipangizo za mtundu uwu kawirikawiri ntchito. tilinazo njira mu pafupifupi sayenera kuposa 4 microns. Komanso, pamaso afufuze chipangizo n'kofunika kudziwa kukhulupirika kwa wolandila lapansi.

Easy chitsanzo kasinthidwe ndi laser wolandila

Atakhala Kanema chochunira mlongoti yekha limapezeka pa pafupipafupi osati choposa 30 Hz. Pankhaniyi m'pofunika woyamba kuchepetsa tilinazo chipangizo. Kenako, pakhomo pafupipafupi amasankhidwa Kanema. Ngati dongosolo anasonyeza zikusonyeza kukula ndi chizindikiro akulankhula, m'pofunika kuwonjezera tilinazo. Chifukwa, wosuta ayenera kukhala kalunzanitsidwe zonse ndi Kanema wa.

Ntchito matayala bayinare

Kupanga bayinare basi chipangizo cha kusintha kwa tinyanga Kanema ndi manja anu si vuto lalikulu. Wolandirayo Pankhaniyi moyenera kusankha mtundu kuwala. Iye waima lero mtengo ndithu, koma amatha ntchito kwambiri. The resistors ali oyenera okha zitsanzo nehromaticheskogo mtundu. Komabe, pamaso khazikitsa iwo soldered mwachindunji basi. Chifukwa n'zotheka ntchito chipangizo ali kwambiri kuchuluka. Komabe, tisaiwale kuti modulator mu nkhani iyi, inu mukhoza kugwiritsa ntchito P2P zino. Mu nkhani iyi, Zosefera kwa dongosolo anasankha kudzudzulidwa mtundu. Kuyesa chitsanzo, mungathe kugwiritsa ntchito "sipekitiramu" (pulogalamu kusintha mbale Kanema).

kutsatira zipangizo zolondola

Sungani zolondola kutsatira chipangizo cha kusintha kwa tinyanga Kanema ndi manja anu, mungathe kugwiritsa ntchito yoweyula wolandila. Siziwavuta mu sitolo wailesi. Mtengo si okwera mtengo kwambiri. Wolandila oyenera capacitors mtundu uwu ndi mphamvu osachepera 5 PF. mwapadera oyenera Zosefera chipangizo. Nthawi zambiri iwo amasankhidwa pamaziko a resistors mphamvu. Monga modulator amagwiritsidwa ntchito Chip mtundu PP20. Iwo ayenera kukumbukira kuti matayala bayinare pa zosintha amenewa anapereka yosowa kwambiri.

zipangizo zimachitika Converter

Mtengo wa mtundu wa kusintha ya mwezi tinyanga zida (mtengo msika) m'dera la 3 zikwi. Pakani. Komabe, mungathe kuikidwa nokha. iwo ndi mkulu odulidwa wolemera pafupipafupi chizindikiro. Mu nkhani iyi, ikukonzekera ndondomeko ikuchitika mwachilungamo msanga. Akapatsidwa zitsanzo kawirikawiri ntchito mtundu kuwala. Total condensers kwa dongosolo kugula atatu.

Komabe, capacitance sitiyenera upambana 3 PF. Zonsezi ndi zofunika kuonetsetsa kuti bata dongosolo si kusweka ngakhale pa mkulu pafupipafupi koloko. Zener chitsanzo n'koyenera ntchito mtundu okhota. Komabe, yoweyula kukhota mu nkhani iyi ikhoza kukhala yoopsa ndithu.

Kuchunidwa bwino zitsanzo zimachitika chopatsilira

Atakhala mtundu wa chipangizo pakhomo limapezeka pa pafupipafupi 35 Hz. The kusintha woyamba m'pofunika anapereka magawo a Kanema wa. Pambuyo pake, m'pofunika kufufuza tilinazo chitsanzo. Chizindikiro Pankhaniyi akhale pa ziro. Sitepe yotsatira ndi pang'onopang'ono kuwonjezera pakhomo pafupipafupi. Pamene awiri zizindikiro ndi kufufuzidwa kwa kudzionetsera. Kusintha ilili, kenako kumveka pafupipafupi ayenera kukhazikika. Kuyesa chipangizo ntchito "ROPIT".

Ntchito zimachitika tiransifoma

Zipangizo ndi converters mopupuluma lero ali otchuka kwambiri. Iwo ali oyenera atakhala mtundu kusankha tinyanga. Akapatsidwa zambiri zipangizo anasankha mtundu kuwala. Pankhaniyi, khamu chitsanzo kuyamba ndi unsembe wa lumikiza capacitor kusonyeza. Pankhaniyi, Mtsogoleri angathe kumwedwa yekha makina osindikizira.

Ziziyenda ndondomeko chizindikiro HIV amagwiritsa ntchito chromatic resistors. Mu nkhani iyi, zener ntchito kawirikawiri ndithu. Total thyristor chipangizo adzatenga awiri. Mmodzi wa iwo kuikidwa mwachindunji ku inverter lapansi. Mu nkhani iyi, thyristor chachiwiri yakwera pafupi modulator lapansi.

Ntchito capacitors ozungulira

Zipangizo ndi mphete capacitors ntchito tuna ndi tinyanga kwa nthawi yaitali. Akapatsidwa ali oyenera zosiyanasiyana. Anasonkhanitsa chitsanzo nokha, ayambe kutola thupi. Pambuyo kuti waikidwa mwachindunji modulator kusintha pakhomo pafupipafupi chida cha.

Chotsatira ndi kukonza capacitors pa Chip ndi ntchito blowtorch. Kenako, adzakhala okhawo kugula resistors chromatic. The Converter Pankhaniyi izo m'pofunika kugwiritsa ntchito mtundu zimachitika. Zosefera akatswiri ambiri kulengeza ntchito maginito. Tilinazo pafupifupi chipangizo chofunika kukhala kusakhulupirika pa 3 microns. makina onga abwino kachitidwe yochepa yoweyula.

Kukhazikitsa lachitsanzo ndi capacitors zozungulira

Kusintha chida, muyenera choyamba ayese pa Kutukula. Kuti muchite izi, n'kofunika kugwiritsa ntchito "sipekitiramu" (pulogalamu kusintha mbale Kanema). Macheke dongosolo amangoona pa pafupipafupi ndi zosakwana 55 Hz. Pankhaniyi, tilinazo chipangizo chofunika udzakhazikitsidwe pa mlingo wa 5 microns. Pokhapokha mayeso, mukhoza chitani mwachindunji kwa dongosolo la mlongoti lapansi. Kuti tichite zimenezi, choyamba magawo onse osankhidwa a Kanema wa.

Mwachitsanzo, mlongoti akhoza ankaona "Telecard". Zimatanthauza zitsanzo yochepa. Atakhala Kanema mlongoti "Telecard" amapezeka pa pafupipafupi 30 Hz. Pamene wakhala magawo muyenera khutu ku Kumuyika chizindikiro. Ngati kumbali kusiya kufunika kwake koyamba, tilinazo ayenera kuchepetsedwa. Komanso, pafupipafupi pakhomo wayikidwa 40 Hz. Pa nthawi imeneyi olimba mbendera zimachitika.

kusinthidwa otsika tilinazo

Ngati inu kulumikiza kachipangizo TV mlongoti kusintha kumachitika mwa zitsanzo otsika-tilinazo. Lero ndi zachilendo. Komabe, zolakwa ali yofunika kwambiri. Choyamba, iwo ali oyanjana ndi zitsanzo osauka olimba. Akapatsidwa agwiritsa ntchito chabe mtundu kuwala.

Tilinazo pafupifupi zosakwana 2 microns. Zonsezi ndi chifukwa chakuti Zosefera Pankhaniyi okha oyenera maginito mtundu. Komabe, ntchito yaikulu ya chitsanzo ndi mwamsanga otsika-pafupipafupi Zener. Choncho, chizindikiro Kumuyika amapezeka mofulumira kwambiri. Pakuti oyamba, zipangizozi abwino.

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