Файл:Радиоконструктор 2007 №01.djvu

Материал из РадиоВики - энциклопедии радио и электроники
Перейти к: навигация, поиск
Выкупить рекламный блок
Ссылка на страницу индекса

4aCTOTHYIO HeCYllYIO. OCTaBB TOnbKO H3K04aCTOTO CrHana, KOTOpblfl HY){HO npHmb. AeTeK' Hblfl CrHan. 3mM AenoM 3aH1MaeTCH AeTeKTOp (n TOp AeTeKTPyeT 3TOT CrHan B ronoBHblX TenecpOl1eMOl1ynHTOp). B npocTeflweM CnY4ae, AnH AeTeKT' HaX nOHBneTC 04eHb cna6blC1 TOK 3BYKOBO 4aCTOTbi. pOBaHH AM crHana cnonb3YIOT nonynpoBoAHKO- TaKO cna6blfl, 4TO paccnblwaTb ronoc AKTopa, n Bblfl AOI1 (pc. 2). MY3blKY Bbl CMO){eTe TonbKO B nonHoC1 mWHe, r--------------I----- I Mooynupo6aHHbiu : I W1 Pc. 3 : i.- :a;f[ _H'ii ; ! IPc2. II I _____________________________I 10-250p TaKoC1 AeTeKTOp 04eHb noxo){ Ha oAHononynepoA- 1_ _ _ _ _ _ _ _ _ _ _ _ J Hblfl BblnpHMTenb. cl>aKT4ecK OH M BneTC. nnOTHO np){aB HaywHK K ywaM. EAHCTBeHHOe AOA nponycKaeT Ha KOHAeHcaTop nOnO){TenbHble AOCTOHCTBO TaKoro npeMHKa B TOM, 4TO eMY He nonYBonHbl, a OTpl1aTenbHble He nponycKaeT. To Tpe6yeTc CT04HK nTaH. eCTb, OH AaeT KOHAeHcaTopy 3ap){aTbC nOnO){Tenb- Ha pcYHKe 4 npBoATC npaKT4eCKa cxeMa HbIM nonYBonHaM, a pa3p){aeTC KOHAeHcaTop AeTeKTOpHoro npeMHKa C oAHoKacKaAHblM 4epe3 pe3cTop (n 4epe3 conpoTBlleHe HarpY3K YCIlTeneM H4. 3TOT npeMHK pa60TaeT C MarHTAeTeKTOpa). Ecn 6bl BbicoK04acToTHbifl crHan He HOC1 aHTeHHofl, HO An YBen4eHH AanbHocm ( 6bln MOAynpoBaH, TO Ha KOHAeHcaTope 06pa30Ba- rpOMKOCT) npeMa K HeMY MO){HO nOAKllI04Tb nOCb 6bl HeKOTopoe nOCTOHHoe Hanp){eHe. Ho BHewHlO1O aHTeHHY (4epe3 rHe3Ao Xl). crHan MOAynpoBaH, a 3Ha4T, ero aMnnTYAa Ha TpaH3cTope VTl cAenaH oAHoKacKaAHblC1 ycnOCTOHHO MeHeTCR CooTBeTcTBeHHo 3MeHeH1O nTenb H4, KOTOpblC1 n03BonT cnywaTb paAonepe3T0C1 aMnnTYAbl MeHeTC Hanp){eHe Ha KOHAeH- Aa4, C AocTaT04HoC1 rpoMKocTblO, Ha ronoBHble TenecaTope. BOT TaK Ha KOHAeHcaTope nOBneTCH cpOHbl n Aa){e Ha AHaMK (ecn crHan MOllHbl). H3K04aCTOTHoe Hanp51){eHe 3BYKOB0C1 4acToTbl, B nTaeTc ycnTenb OT 9-BonbTOBoC1 6aTapeC1K. T04HOCT nOBTOpHIOllee cpOPMY 3BYKOBOro crHana r - - - - - - - - - -nOCTynBwero C MKpocpoHa Ha nepeAaT4K. I X1 C50,01M nOMMO aMnnTYAHofl, CYllecTBYIOT APyre cnoco- I 1 81 81 6bl MOAynHl1, OCHOBHble 3 KOTOpblX 4aCTOTHa I 88B, HO 3TO TeMa APyrofl CTaTb. I I C420p VD1 KpoMe B03MO){HOCT nepeAaTb crHan Ha 60nbwoe I L 1 Jl9 + paCCTOHe cnonb3YH 60nee npOCTble aHTeHHbl, I CCTeMa paAOCB3, B KOTOpoC1 BbiCOK04aCTOTHbie I paAOBonHbl MOAynpYIOTCH KaKM-n60 cnoc060M, I n03BoneT OAHOBpeMeHHO pa60TaTb orpoMHoMY I MHO){eTBY nepeAaT4KOB. Ba){Ho TonbKo, 4T06b! : Kabl 3 HX nepeAaBan crHan TOnbKO CBoe L. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ AnHbl BOnHbl. A Ha BxoAe npeMHKa (pc. 3) 6YAeT MarHTHaH aHTeHHa COCTOT 3 cpeppToBoro KOlle6aTenbHbl KOHTYP, KOTOpbl MO){HO HacTpoTb B Cepl1e4HKa AaMeTpoM 8 MM I1nHO He MeHee 100 pe30HaHc Ha OAHY 3 3mx BOnK. np 3TOM APyre MM HaMOTaHHofl Ha HeM KaTywK. HY){HO B3HTb BonHbl KOHTYP He nponYCTT (n cnbHO ocna6T). cpeppToBblC1 CTep){eHb, HaMOTaTb Ha HeM KaTywKY CxeMa AeTeKTOpHOrO npeMHKa nOKa3aHa Ha PCYH- L 1, BTOK K BTKY, HaMOT04HbiM npoBoAoM ce4eKe 3. OH COCTOT 3 BXOAHoro KOHTypa, COCTOllero 3 HeM 0,35-0,6 MM. Scero AnH pa60Tbi Ha cpeAHX KaTywK HAYKTBHocm L 1 nepeMeHHoro KOHAeH- BonHax HY){HO 80 BTKOB. KpaC1He BTK KaTywK, caTopa C1, AeTeKTopa Ha AoAe VD1 KOHAeHcaTope 4T06bl OHa He pacnaAanaCb, MO){HO 3aKpenTb CKOT4C2 BblCOKOOMHblX ronoBHblX TellecpOHOB Bl. neHTO. npHHTbl aHTeHHofl Wl paAocrHan nocTynaeT Ha nepeMeHHblC1 KOHAeHcaTOp C1 nlO60fl C KOHTYP L 1-C1. HaCTpaBalOT KOHTYP nepeMeHHblM nepecTpoflKOfl eMKocm He MeHbwe 4eM nOKa3aHO Ha KOHAeHcaTopOM Cl. 1i13MeH ero eMKocTb, MeHHIOT pcYHKe 4. 4acToTY pe30HaHca KOHTypa, TaK 4T06bl OHa cOBnana C VlsaHos A. 44 "Pl.SI4b"e,.,,,yk,.,,,,, , -200., PA,l/HOfJJKO/7A YPOKV1 TEJlEMACTEPA 3aHn1e NQ19 Ha npownblx 3aHS1TII1S1X Mbl paccMOTpenll1 cxeMY TeneBII130pa rOpll130HT 54-CTV-676 111 HeKoTopble TII1nll14Hbie HeIl1CnpaBHocT. CeroAHS1 nOrOBOpll1M 0 CepBII1CHOM MeHIO. BXOA B CepBII1CHOe MeHIO MO)KeT nOTpe60BaTbCS1 nocne 3aMeHbi KII1HeCKOna, TIOHepa, OCHOBHblX AeTaneC1 pa3BepTKII1 II1nll1 MII1KpOCXeMbl naMS1T1I1 00402. Ecnll1 6blna 3aMeHeHa MII1KpOCXeMa naMS1T1I1 D0402, TO nepeA BXOAOM B CepBII1CHOe MeHIO HHO npOBeCTII1 nepBII14HYIO 3arpy3KY. ,QnS1 3Toro, Ha BblKnlO4eHHOM TeneBII130pe Ha)KMII1Te KHonKY SL 111 YAep)KII1BaS1 ee Ha)KaTOC1 BKnlO4111Te TeneBII130p KHonKoi1 «CeTb». SL YAep)KII1BaC1Te AO nOS1BneHII1S1 1I1306pa)KeHII1S1. TaKaS1 )Ke nepe3arPY3Ka MO)KeT nOHaAo6I11TbCS1, ecnll1 AaHHble, 3anll1CaHHbie B MII1KpOCXeMe-naMS1TII1 pa60TalOT He KoppeKTHO. Hy a Tenepb nepeC1AeM HenocpeACTBeHHO K CepBII1CHOMY MeHIO. BoC1TII1 B Hero MO)KHO ,l1BYM Cnoco6aMII1: 1. Bo BpeMS1 pa60Tbi TeneBII130pa 3aMKHYTb Me)KAY c06oC1 KOHTaKTbl 1 111 2 KOHTponbHoC1 T04KII1 XNll. 2. BblKnlO4111Tb TeneBII130p B Ae)KYPHblC1 pe)KII1M 111 C II1HTepBanoM npll1MepHO B OAHY ceKYHAY nocneAOBaTenbHO Ha)KaTb KHonK Ha nynbTe ,QY: Q], SL,)1tJ,(!). nOcne 3TOro Ha 3KpaHe nOS1BII1TCS1 MeHIO: TexHoMeHIO CeneKTop HacTpoC1Ka TB Ii1HAII1Kal.lI1S1 naMmb C6poc II1rpbl C6poc napon51 Kypcop 6meT HanpOTl'lB CTpOKII1 «CeneKTop». Perynl>lpOBKI>I B MeHIO «CeneKTOp», Ha)KaTb KHonKY SL. Ha 3KpaHe 6YAeT cTpoKa C Bbl6paHHbiM TlI1nOM ceneKTopa. Ecnll1 TlI1n ceneKTopa (TIOHepa) YKa3aH HenpaBlI1nbHO HY)KHO KHOnKaMII1 + 111 Bbl6paTb npaBlI1nbHbli1 (TaKoC1 KaK YCTaHoBneH Ha nnaTe TeneBII130pa). KCTaTII1, 3AeCb MO)KHO y3HaTb cnll1COK ceneKTOPOB (TIOHepOB), nOAXOAll1lX AnS1 3TOro TeneBlI130pa. BblC1TII1 1113 MeHIO «CeneKTOp» MO)KHO Ha)KaTLo1eM KHonKII1 TV. PerynlllpoBKIII B MeHIO «HacTpoi1Ka TB». HaxoAcb B «TexHOMeHIO» Ha)KaTlI1eM KHOnKII1 P- YCTaHOBII1Tb KYpCOP Ha CTPOKY «HacTpoC1Ka TB» 111 Ha)KaTb KHonKY SL. Ha 3KpaHe nOS1BII1TCS1 MeHIO: HacTpoi1Ka TB TDA8842/44 reOMeTpll1S1 napaMeTpbl YCTaHoBK Kypcop 6YAeT HaXOAII1TbC Ha cTpoKe TOA8842/44. 3Ta cTpoKa nOAMeHIO cnY)KII1T AnS1 3aAaHS1 OCHOBHblX napaMeTpoB cxeMbl TeneBII130pa. LJT06bl BoC1TII1 B Hero HHO, KorAa KYPCOP HaXOAII1TCS1 Ha CTpOKe TOA8842/44 Ha)KaTb KHonKY SL (ecnll1 KYpCOP Ha APYroC1 CTpOKe, yCTaHOBII1Te ero Ha TOA8842/44 nonb3YS1Cb KHOnKaMII1 P+ 111 P-. Ha 3KpaHe nOS1BII1TCS1 MeHIO TaKoro BII1Aa: TDA8842/44 Pe30HaTopbl nernS1 A55 Pe)KII1M A55 KOMneHCal.lI1S1 nLJ B AB 5blCTpa51 KOMMYTal.lI1S1 5nOKII1pOBKa nLJ Pa3BepTKa YClI1neHlI1e Bbl60p nLJ Overscan LJacToTa I.BeTa ABT. orp. I.BeTa rpe6eH4aTblC1 qJll1nbTp Ud KaTOAa T <!>AnLJ nLJ KaHan I.BeTa 3aAep)KKa PAL 3aAep)KKa SECAM 3aAep)KKa AV AMnnll1TYAa R AMnnll1TYAa B AMnnll1TYAa G nopor APY - -/ 4,4 Mrl. BKn. MeAneHHbli1 nonHaS1 BbIKn. BKn. BbIKn. LJepe3cTp04HaS1 HopManbHoe 38,0 Mrl. BKn. LeHTp Fsc BKn. BbIKn. 84 HopManbHoe ABToMaT 11 11 11 32 32 32 10 3TII1 pe)KII1Mbl AOn)KHbl 6blTb YCTaHoBneHbl no YMon4aHII1IO, HO OHII1 MorYT 111 OrnIl14aTbC, OT YKa3aHHbix 3Aecb, B 3aBII1CII1MOCTII1 OT MOAII1CPIl1Kal.111111 Bawero TeneBlI130pa. Ecnll1 Baw TeneBII130p C 3KpaHoM pa3MepoM 37 CM no AlI1aroHanll1, TO Ud KaToAa AOn)KHO 6blTb 57, a AnS1 3KpaHa C AlI1arOHanblO 63 CM Ud KaTOAa AOn)KHO 6blTb 107. Bbl6paTb HY)KHYIO CTPOKY MO)KHO KHonKaMII1 P+ 111 P-, a 1I13MeHII1Tb 3Ha4eHII1e KHOnKaMII1 + 111 -. "Pl.SI4"b"e,.,,,yk,.,,, , -200., 45

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Перейти на страницу


Исходный файл(3229 × 2236 пикселей, размер файла: 1,06 МБ, MIME-тип: image/vnd.djvu, 26 страниц)

История файла

Нажмите на дату/время, чтобы просмотреть, как тогда выглядел файл.

Дата/времяМиниатюраРазмерыУчастникПримечание
текущий12:50, 3 июля 2013Миниатюра для версии от 12:50, 3 июля 20133229 × 2236, 26 страниц (1,06 МБ)Maintenance script (обсуждение)
  • Вы не можете перезаписать этот файл.

Следующие 2 страницы ссылаются на данный файл: