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    Екимов 70 89

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    2.

    TaK KaK

    C~x

    > 0, onpe,ll;eJI5IeTC5I
    (2.63)

    Ope,ll;BapHTeJIbHO no cp-JIe

    ml

    npH YCJIOBHH

    CBH

    '6K4n

    ROHTypOB M rrOJIOCOBbIX

    CBX

    +C

    6,4

    BhIX

    + 6,7

    13,1

    Oo~e

    TaK KaK B npHeMHHKe 6Y,ll;eT KaCKa,ll; ypq.
    3. no cp-JIe (2.61) onpe,ll;eJI5IeTC5I eMKOCTb cxeMbI:

    Ccx = CM+C L +
    4.

    TaK KaK

    C~x

    Orrpe,n;eJIeHMe "tJMCJIa pe30HaHCHbIX


    57 ncp

    =

    2

    > Cex

    =

    =

    15

    44,1 ncp,

    TO no cp-JIe

    (2.64)

    cooopameHHR

    Orrpe,l(eJIeHHe lJHCJIa H36HpaTeJIbHbIX KOHTypOB H
    + 16 + 13, 1 = 44, i nl/J.

    [JPH .3TOM ,lJ;JIH TpaKTa pa,lJ;HOlJaCTOTbI paClJeT

    onpe,ll;eJI5IeTCfl

    .u,o­

    [JPII rrpoeKTHpOBaHHH

    =

    C;x - CBX = 57

    n¢ <

    44,1

    =

    12,9 rup.

    YlJHTbIBaTb, lJTO .3KBHBaJIeHTHaH ,l(06POTHOCTb KOHTypOB QaH YXY,l(lliaeT­
    CH 3a ClJeT IIIYHTHpOBaHHH HH3KHM BXO,lJ;HbIM H BbIXO,lJ;HbIM corrpOTHB­

    TaK KaK CJJ;06 = 12,9
    30
    6JIOK
    npaBHJIbIIO.
    5. 3KBHBaJIeHTHa5I eMKOCTb KOIITypa BXO,ll;HOH u.enH H/ycHJIHTeJI5;I pa,ll;HOQaCT01'bl

    JIeHHHMH .3JIeKTpOHHororrpH60pa H He MO}KeT 6bITb C,lJ;eJIaHa JIYlJlIIe
    !qeM

    (2.65)]

    Ca

    (CMMH

    + C~x) -;- (C

    MaKc

    + C~x)

    (12

    TpaH3HCTOPHbIX rrpHeMHHKOB,a TaK}Ke ,lJ;Ha­

    rra30HOB yKB H CBlJ rrpHeMHHKOB Ha .3JIeKTpOHHbIX JIaMrraX He06xo,lJ;HMO

    KOH,ll;eHCaTOPO~~I6paH

    ncp,

    rrpOH3BO,lJ;HTCH Ha KaiK­

    ,lJ;OM H3 rrO,lJ;,lJ;Harra30HOB caMOCTOHTeJIbHO, a 3aTeM rrpHHHMaeTCH 06mee
    pelIIeHHe ,l(JIH Bcex rrO,lJ;,lJ;Harra30HOB.

    nOJIHHTeJIbHa5I eMKOCTb:

    CJI,06

    /

    1

    m2
    2

    § 2.4.

    ,ll;eHCTBHTeJIbHa5I eMKOCTbCXeMbI.

    BbIQHCJI5IeTC5I BHOCHMa5I eMKOCTb JIaMnbI

    + 57) -;- (495 +

    QaK

    = (69 -+ 552)ncp.
    f,lJ;e



    0,5

    0,8 -

    (2.66)

    'YQK'

    =

    KO.3
    (HJIH BbIXO,l(HbIM) conpOTHBJIeHHeM .3JIeKTpOHHoro rrpH60pa,

    QH -

    CTPYKTHBHaH ,lJ;06POTHOCTb KOHTypa.

    BLIOOP paCTHHYTLIX IIO,IJ;,IJ;HanaaOHOB
    TaK KaK ,l(JIH paOOTbI
    HOBOM ,./iHarra30He
    YMeHblIIeHHH

    rrJIOTHOCTH

    Y'IACTKH KOPOTKOBonHOBoro
    AHAnA30HA, B KOTOPblX
    PA&OTAfOT PAAHOBEIlIATEnbHblE
    CTAHLl.HH

    Met:(

    e"MaKc' M)

    fMaKc,Mzt:(

    (A MHH• M)

    ----.;.----;-------

    6 ,966 (50,37)
    6,676(44,94)
    9,00 (33,30)
    11,630 (25,05)
    16,07 (19,91)
    17,7 (16,26)
    21,6 (13,96)

    70

    .3THX CJIYlJaHX JIerlJe rrOJIYlJHTb IllHPOKYlO rrOJIOcy, lJeM Y3KYlO.
    4T06bI 06eCrre1.JHTb y3KYlO rrOJIOcy H BbICOKYlO H36HpaTeJIbHOCTb, He06XO,lJ;HMO OCJIa6HTb BJIHHHHe .3JI:eKTpOHHoro rrpH60pa Ha KOJIe6aTeJIbHbI:H

    Y3KHe

    YlJaCTKH t

    a raK>I{e

    KOHTYp. nJIH 3Toro rrpHx9,lJ;HTCH rrpH6eraTI;l K 3HalJHTeJIbHoMY oCJIa6JIe~

    Anfl

    HaCTpOHKH (o6JIerlJeHHH TOlJHOCTH YCT8H013KH
    lJaCTOTbI II HacTpOHKH) t B pa.nHoac

    T ABJII1UA 2.12

    fMBll'

    TOJIbKO

    6,360(47,16)
    8, 170 (36,72)
    9,916(30,26)
    12,200 (24.66)
    16,595(19,23)
    17,865 (16,80)
    21,675 (13 ,84)

    '

    B

    pa,l(HOBemaTeJIbHbIX cTaHUHH B KOPOTKOBOn·

    OTBe,l(eHbI

    KOH-

    HUlO CBH3H KOHTypa C .3JIeKTpOHHbIM rrpH60poM (ero BXO,lJ;OM H BbIXO­
    ,lJ;OM) , lJTO, B CBOlO'OlJepe,lJ;b, rrpHBO,lJ;HT K. YMeHblIIeHHlO YCHJIeHHH.

    1,
    KOPOfl'~--\'

    maTeJIbHbIX rrpHeMHHKax Ha
    KIIX BOJ1HaX IIIHPOKO npHMeHSlIO'1'C

    He06xo,lJ;HMaH rrOJIoca rrporrycKaHHH
    ,lJ;06POTHOCTb)

    paCTHHYTbl e ,H
    rrOJIypacTfIuYTbl,
    rrO,l(,l(Harra30HbI." PaCTHHYTbIt%: noJt.~
    D.Harra30H paCClJHTbIBaerCfl Ha new
    peKpbITHe O,l(HOrO YSKorO YtlaCTKH'

    B Ta6JI.

    npHBe}1.eHbl

    2.12.

    nJIH
    nOJIYtIeHHH
    pacTHHYToro
    ITO,l(,lJ;Harra30Ha B KOHTYP BKJIlOtIa·
    IOTCH ,lJ;OrrOJIHHTeJIbHble rrOCJIe,1l.0Ba·

    BeJIHlJHHbI

    I,

    HHeM

    CKOHTypOM. 3TO

    POCT BHOCHMOH

    06bHCHHeTCH TeM, lJTO CYBeJIHlJe­

    paCCTpOHKH

    COrrpOBO}K,l(aeTCH

    paCIIIHpe­

    xpaHHe:rCH rrpHMepHO rrOCTOHHHOH. 1136HpaTeJIbHOCTb H IIIHpOKOrrOJIOCHbIX
    b6ycJIOBJIeHO

    YCHJIHTeJIeH,

    lJaCTOTHoH

    B

    KOTOPbIX

    3aBHCHMOCTbiO

    pa3JIHlJHe

    napaMeTpOB

    MO}KeT

    6bITb

    .3JIeKTpOHHoro

    rrpn60pa.

    B

    TpaH3HCToPHbIX rrpI:i:eMHHKax BCJIe,lJ;CTBHe CHJIbHOrO IIIYHTHPO­
    KOHTypOB OTHOCHTeJIbHO MaJIbIMH BXO,lJ;HbIM II BbIXO,lJ;HbIM CO­

    TeJIbHble

    KaCKa­

    (HX .3KBHBaJIeHTHa51

    HHeM rrOJIOCbI rrponYCKaHHH H OTHOCHTeJIbHaH BeJIHlJHHa paCCTpOHKH co­

    onpe,l(eJIeHHe
    KOTOPbIX
    rrpOH3BO­
    J];HTCH rrpH rrOJIHOM .3JIeKTpHtIeCKOM
    H

    CBH3H

    CBH3H

    BaHHH

    IJ,errl1

    KOHTypOB

    06eCrreqeHa H3MeHeHHeM BeJIHlJHHbI CBH3M

    [JPH.3TOM OTHOCHTeJIbHaH paccTpoHKa KOHTypa BXO,nHOH H BbIXO,lJ;­
    HOH eMKOCTHMH .3JIeKTpOHHoro rrpH60pa rrpaKTHlJeCKH He 3aBHCHT OT

    TeJIbHaH H napaJI.iIeJIbHaH eMKocTH,

    paCIJeTe BXO,lJ;HOH
    ,l(OB ;vpq.

    6bITb

    .3d1eKTpOH!lOrO rrpH60pa C KOHTypOM.

    3aHHToro
    pa,l(HOBemaTCJlbHblMlI \
    CTaHIJ,HHIMH, a IIOJI,ypa'CTfIHY'I'blti lHl.,
    2-3 YlJaCTKa. 4aC'1'OTHble Y4acT",
    KH, Ha KOTOPbIX pa6oTaloT pa,l(Ho,',
    BemaTeJIbHble CTaHUHH t

    MoiKeT

    rrpOTHBJIeHHHMH

    ,TpaH3HCTopa

    CBoHcTBa

    rrpHeMHHKa

    OKa3aJIOCb
    Ha

    ce,l(HeMY KaHaJIY) cOcpe,lJ;OTOQHTb B OLI,HOM
    COCpe,lJ;OTOlJeHHOH CeJIeKIJ,HH

    (Q:>CC);

    IJ,eJIeC006pa3HbIM

    rrpOMe}KY'fOlJHOH

    lJaCTOTe

    H36Hpa­
    (no co­

    MHoroKoHTypHOM '
    He06xo,lJ;HMOe }Ke YCHJIeHHe rrOJIy­

    71

    LJaTb B anepHO,LI.HLJeCKHX KaCKa,LI.aX HnH KaCKa,LI.aX C
    rypaMH. TaKa5I CHCTeMa nOCTpOeHH5I
    BO

    BCeX

    OTeLJeCTBeHHbIX

    O,LI.HHO~HHMH

    KOH­

    Pacnpe,11;eJIeHlle 3a,11;aHHOii BeJIII1.ffiHbI 113611paTeJIbHOCTII

    6nOK-CXeMbI npHMeH5IeTCH nOLJrH

    TpaH3HCTOPHbIX

    npHeMHHKaX

    (<
    «AnMa3», «Cenbra», «I1Bonra» H T. ,LI..).
    O,LI.HaKO
    COBbIMH

    Moryr

    npHMeH5ITbCH H CHCTeMbI

    qm,HbTpaMH

    n5IeTC5I Ha3HaLJeHHeM

    B

    Ka1K,LI.OM

    KaCKa,LI.e.

    C KOHTypaMH HnH nOJ10-

    BbI60p THna

    pa,LI.HOnpHeMHOrO YCTpOHCTBa

    H

    JI [fC-!

    Onpe,LI.e­

    reXHHLJeCKHMH

    Tpe60BaHH5IMH, }5:0TOpble K HeMY npe,LI.'b,HBn5IlOTCH.
    B Y3KOnOnOCHbIX npHeMHHKaX
    pa,LI.HOBemaTenbHbIX, CBH3HbIX
    H T. ,LI..) npHMeH5IlOTC5I O,LI.HOKOHTypHbIe H )I.BYXKOHTypHble JI [J Cf, a raK­
    1Ke JI[JCf C

    epee.

    BbI60p THna JI[JCf B Y3KononOCHbIX npHeMHHKax onpe,LI.enHeTC5I Tpe­
    60BaHHHMH K IIlHpHHe nonOCbI nponYCKaHHH, H36HpaTenbHOCTH H CTa­
    6HnbHOCTH B He,LI.OpOrHX paAHOBemaTenbHbIX TpaH3HCTOPHbIX nepeHOCHbIX npH­
    eMHHKax npHMeHHlOT O,LI.HOKOHTypHble HaCTpoeHHbIe JI[JCf H JI[JCf C
    npOCTbIMH

    cJJee.

    'uBYXKOHTypHble

    JI[JCf H JI[JCf co Cn01KHbIMH

    cfJee

    HaXO,LI.5IT npHMeHeHHe B npHeMHHKax 60neeBbICOKHX KnaCCOB.
    B

    II1HpOKOnonOCHbIX

    npHeMHHKax

    (TeneBH3HOHHbIX,

    paAHOpeJIeH­

    HbIX)

    npHMeHHlOTCH O,LI.HOKOHTypHbIe H ,LI.BYXKOHTypHbIe HacrpoeHHbIe
    JI[JCf, a TaK1Ke JI[JCf C napaMH H TpOHKaMH paCCTpoeHHbIX Kac­
    Ka,LI.OB.
    BbI60p

    THna

    Tpe60BaHHHMH

    JI [JCf

    npHeMHHKOB

    onpe,LI.enHeTCH

    K nnrpHHe nOlIOCbI nponYCKaHHH H YCTOHLJHBOCTH
    CTOTOH H3rOToBneHHH, HaCTpOHKH H 3KcnnyaTaIl,HH.
    rIo cpaBHeHHlO C ,LI.pyrHMH HaCTpoeHHble JI[JCf

    O,LI.HOKoHrypHoro

    THna )I,alOT HaHMeHbII1ee YClweHHe Ha KaCKa,LI. npH 3a,LI.aHHOM 06meM
    YCHneHHH H nonoce nponYCKaHHH, H"O npOCTbl B npOH3BO)I.CTBe, Ha­
    crpOHKe, 3KcnJlyaTaIl,HH H HlVlelOT cTa6HnbHYlO BOH; npHMeHHlOTCH OHH npH nonoce [J ~ 3 Mel{.
    JI[JCf C paccTpoeHHbIMH KOHTypaMH HMelOT 60nbllIee YCHneHHe Ha
    KaCKa,LI. npH 60nbllIe}I llIHpHHe nonOCbI nponycKaHHH, HO 60nee cn01K­
    HbI B npOH3BO,LI.CTBe, HaCTpOJIKe H 3KcnJlyaTaIl,HH, HMelOT MeHbllIYlO CTa­
    6HJ1bHOCTb npHMeHHlOTcH, ecnH

    [J

    HHMaeTCH cne,LI.YlOmee ·pacnpe,LI.eneHHe no TpaKTaM npHeMHHKa 3a,LI.aH­
    HbIX BenHLJHH H36HpaTenbHoCTH:
    H36HpaTenbHocTb
    TpaKToM pa,LI.HOLJaCTOTbI;

    no

    3epKaJIbHoMY

    KaHany

    06eCneLJHBaeTCH

    H36upaTCJlbHOCTb no COCe,LI.HeMY KaHaJIY 06eCneLJHBaeTCH TpaK­
    TOM npOMe1KYTOLJHOH LJaCTOTbI.
    B ,LI.Hana30Hax )I,JIHHHbIX H cpeAHHX BOJIH pa)I,HOBemaTeJIbHbIX npH­
    eMHHKOB H36HpaTenbHOCTb no COCe,LI.HeMY KaHaJIY LJaCTHLJHO 06eCneLJH­
    BaeTCH H TpaKToM pa)I,HOLJaCTOTbI, O,LI.HaKO H3-3a HaJIHLJHH nO,LI.,LI.uana­
    30HOB KOPOTKHX H YJIbTpaKOpoTKHX BOJIH npH pacnpe,LI.eJIeHHH 3a,LI.aH­
    HOH H36HpaTenbHOCTH no COCe,LI.HeMY KaHany (OHa OAHHaKOBa )I,JIH Bcex
    nO,LI.,LI.Hana30HOB)

    3Toro He YLJHTbIBalOT.

    D03TOMY B ,LI.Hana30Hax ,LI.JIHH­

    HbIX H cpeAHHX BonH H36HpaTeJIbHOCTb nonYLJaeTCH HeCKOJIbKO BbIllIe
    LJeM B KOPOTKOBonHOBOM.
    B

    npO
    KpaTHbIM

    cynepreTep0,LI.HHHbIX

    npe06pa30BaHHeM LJaCTOTbI

    npHeMHHKax

    npOH3BO,LI.HTCH

    C

    ,LI.BY­

    CJIe,LI.YlOmee pac­

    npe,LI.eneHHe 3a,LI.aHHbIX BeJIHLJHH H36HpaTeJIbHOCTH:
    IIlHpOKononOCHbIX

    MbI pe30HaHCHOH KPHBOH npH B03,LI.eHCTBHH BHellIHHX
    TpoHKaMH

    B npHeMHHKax cynepreTep0,LI.HHHOrO THna; npO paAHoBemaTenbHbIx, C O,LI.HOKpaTHbIM npe06pa30BaHHeM "lIaCTOTbI npH­

    > 8 Mel{.

    Y [JCf c

    KpHBOH.

    3 Mel{

    < [J

    ~

    8 Mel{,

    paccTpoeHHbIMH na­
    C

    paccTpoeHHbIMII

    .

    YCHnHTenH C ABYMH CBH3aHHbIMH KOHTypaMII npHMeHHlOT BMeCTO
    JI[JCf C napaMH H TpoHKaMH paccTpoeHHbIx KaCKa,LI.OB. DpHMeHeHHe ux
    oc06eHHo I.Leneco06pa3Ho B Tex

    KOr,LI.a npHeMHHK ,LI.On}KeH 06-

    na,LI.aTb nOBbIllIeHHoH H30HpaTenbHocTblO H cTa6Hnbl-IOCTblO.

    H36HpaTenbHOCTb no nepBOMY 3epKaJIbHOMY KaHany 06eCneLJH­
    BaeTCH TpaKTOM pa,LI.HOLJaCTOTbI;
    -

    H36HpaTevTJbHOCTb

    no BTOPOMY 3epKaJIbHOMY

    KaHaJIY 06ecneLJI1-

    BaeTCH TpaKTOM nepBOH npOMe1KYTOLJHOH LJaCTOTbI;
    H36HpaTeJIbHOCTb no COCe,LI.HeMY KaHany 06eCneLJHBaeTCH TpaK­
    TOM BTOPOH npOMe1KYTO"lIHOH LJaCTOTbI.
    EcnH H36HpaTenbHOCTb no 2-MY 3epKaJIbHoMY KaHaJIY (Ha 3ep­
    KanbHoH "lIaCTOTe BToporo npe06pa30BaTeJI5I) He 3 a,LI.aH a, TO ee M01KHO
    npHH5ITb paBHOH H36HpaTeJIbHOCTH no I-MY 3epKaJIbHOMY KaHaJIY.
    KpoMe 06eCneLJeHHH H36HpaTenbHOCTH no 3epKaJIbHoMY
    paAHOLJaCTOTHbIH TpaKT npHeMHHKa AOn1KeH 06eCneLJHBaTb:

    KaHaJIY,

    H36HpaTenbHOCTb Ha npOMe1KYTOLJHOH LJaCTOTe, T. e. OCJIa6neHHe
    nOMex CTaHIl,HH, LJaCTOTbI KOTOPbIX COBna,LI.alOT C npOMe1KYTOLJHOH;
    OCvTJa6JIeHHe
    nOMex
    CTaHIl,HH,
    cnoc06HbIX
    BbI3BaTb
    nOHBlle­
    HHe B npeo6pa30BaTene nepeKpeCTHOH MO,LI.YJIHIl,HH H HHTep OHHbIX CBHCTOB;
    OCJIa6neHHe H3JIY"lIeHHH KOJ1eOaHHH reTepO,LI.HHa npHeMHHKa;
    -

    He06xo,LI.HMOe

    COOTHOllIeHHe

    CHrHaJI!llIYM

    Ha

    BXO,LI.e

    nepBoro

    3neKTpOHHoro npH60pa rrpHeMHHKa.

    nOKa3ana npaKTHKa, a TpaH3HcToPHbIX pa,LI.HOBemaTenbHblx
    Bcex KJIaCCOB (KpoMe BbIcllIero) TeXHHLJeCKHe Tpe60Ba­

    Docne orrpe)I,eneHHH "lIHCJIa H A06pOTHOCTH KOHTypOB TpaKTa pa­
    ,LI.HOLJaCTOTbI 06H3aTenbHO npOBep5IeTCH nOJIYLJeHHaH rrpH 3TOM H36H­

    HHH K H36HpaTenbHocTH H nonoce nponYCKaHHH TpaKTa paAHOLJaCTOTbI

    paTenbHOCTb Ha
    rrpOMe1KYTOLJHOH LJaCTOTe. ECJIH
    OHa
    nOJIYLJaeTCH
    MeHbllIe 3a,LI.aHHOH no TY, TO He06xo,LI.HMO B TpaKT pa,LI.HO"lIaCTOTbI BBe­

    KaK

    BblllonHHlOTCH npH npHMeHeHHH TonbKO O,LI.Horo ~oHTypa MarHHTHOH
    aHTeHHbI BO BXO,LI.H0I1 Il,enH (<
    CTH 3arrHpalOmHH HvTJH nponYCKalOmnH
    fa» H T.

    Me1KYTOLJHYlO LJaCTOTY

    72

    (§ 3.10,

    CTp.

    174).
    73

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    Pacnpe.zy;eJIeHHe sa.zy;aHHoH HepaBHoMep,HOCTH
    YCHJIeHHH B nOJIOce nponycRaHHH

    ~~
    )J,JIH 06eCnelJeHlUI

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    90+140
    110+160
    140+190
    100+200

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    40+100
    60+150
    100+200

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    RBx MilH f~aKc
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    (2.72)

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    Q3 MaHC HJIH KOHCTPYKTHBHYIO QJ:( ,lI,OOPOTHOCTb, YMeHbIllHTb nepeKpbI­
    TIle nO,lI,,lI,Hanat30Ha krrlJ" YBeJIHIIMTb IIHCJIO KOHTypOB (lITO ,lI,aCT B03MOlKHOCTb YMeHbIllHTb Qa MaJ:(C)' TIOBTOPHTb nn. 1-7
    8. TIPM . npoeKTHpoBaHHH TpaH3HcToPHbIX npHeMHHKoB,
    ,JIaMnOBblx B ,lI,Hana30Hax yKB H CBll HeOoXO,lI,HMO

    AeHTI-LOe Katf.eCT80

    KOHTypOB

    KaK MOlKHO

    a

    TaKlKe

    BbIoHpaTb 8K8U8a­

    OJIHlKe JKQI:!' B

    3TOM

    llae ,lI,OnycTHMo OOJIbIllee IllYHTHpoBaHHe KOHTypOB (npH O,lI,HHaKOBOM
    BXO,lI,HbIM conpOTHBJIeHHeM 3JIeKTpOHHoro npHoopa, lITO n03BOJIHeT
    YBeJIHIIHTb CBH3b KOHTypa C HHM H ooecnellHTb YCJIOBHe n.

    <

    6

    Qrr (pHC.

    3aKa3

    965

    7

    Qa MIIH

    <

    2.21e).
    81

    /'

    npoH3Beir,eH

    Qa MIlH= 34,2.

    PaClieT
    OpH~HTHpOB01JHbI\\'1

    1JHCJlOM O.ll.HH01JHbIX

    KOHrYPQB

    \

    aa

    MHH

    ,('I

    ,

    -f-

    -

    fMHH

    ~41~

    (34,2\

    '

    fMHH

    Q'9 MMH

    =

    5
    1;:5

    I)n - , - =
    C fa MHH

    a MHH

    I)

    4

    15 :

    Qa

    185 (45,4

    -I

    (6).


    aop

    = ( 34,2

    465

    \

    6

    5i5 -

    1,

    6

    I)


    =

    '

    f~aKc ~ 2fnp =

    f3 MaKC

    1355

    425

    + 930 =

    1355 K2l1.

    )l.,,'!H JIaMnOBOro npMeMHMKa B )l.Mana30He )l.B 'Y
    0,8 (Ta6JI. 2.15),
    onpe)l.eJIHeTCH 3KBHBaJIeHTHaH KOHCTPYKTMBHaH A06pOTHOCTb KOHTY-

    6,4(16,286).

    <

    Tal{ KaKaIlp = 16,2 86
    26 86 (cOrJIaCHO MCXO)LHbIM )l.aHHbIM), BO BXO)LHOH uenH
    He06xo)l.HMO npHMeHMTb 3amlpaIOIUMH: tICTC BXO)l.HOH: uenM (§ /3.10).
    npMMep 2.17. Onpe)l.eJIHTb OCHOBHbIe napaMeTpbI M36MpaTeJIbHOH CMCTeMbI TpaK­
    Ta pa)J,MOlJaCTOTbI )l.Mana30Ha )J,B JIaMnOBOro npMeMHMKa BblClIIero KJIaCca.

    a =
    3

    (Qaj

    fMaKC

    f 3 MaKC

    425
    1355

    425

    1')2.

    an =

    -.Vf

    1+

    X~4

    Xo =

    Qi/

    = ...Vf

    .

    4200 (72 4 06)
    "

    1355
    2 • 4252

    1

    .

    ~

    (0,82)4

    1,05 (0,4 06),

    TaK KaK

    n
    '

    =

    f MUH

    KaHaJIY npn­
    I'vIelIHM BO BXO)l.HOH IlenM nOJIOCOBOH qeCKHM YCHJIHTeJIeM.
    2. )l06POTHOCTb KOHTypOB
    2fMaKC .
    2

    I1CXO)l.Hble )l.aHHble BbIllOJIHeHbI: aa = 72,4 86 > ias = 60 86.
    7. )lJIH MMHMMaJ4bHOH qaCTOThI nO)l.)J,Hana30Ha no JUleTCH OCJIa6JIeHMe Ha KpaHx nOJIOCbI nOJIOCOBOro
    nc; .


    L )lJIH 06eCneqeHMH BhICOKOH H36MpaTeJIbHOCTM no 3epKaJIbHOMY

    <

    I)Nypq+2 f;~~c"'=

    faM3Kc

    = (10/. 1355 _

    onpe)l.eJIMTb

    PemefU.le

    <

    IN ypq

    n

    lJHCJIO KOHTypOB HJIM 3KBMBaJIeHTHYIO )l.06POTHOCTb KOHTypOB QIl;

    M36HpaTeJIbHOCTb no 3epKaJIbHoMY KaHaJIY aa;

    M36MpaTeJIbHOCTb Ha npOMe}KYTolIHOH lIaCTOTe crlIP;

    OCJIa6JIeHHe Ha KpaHX nOJIOCbI iaIl;


    16,

    «

    <

    )J,aHHble

    KpaHHHe lJaCTOTbI nO)l.)l.Mana30Ha - f~HH -7- t~aKc = (147+425) K2l{;

    H36MpaTeJIbHOCTb no 3epKaJIbHoMY KaHaJIY
    as ~ 60 86 (1000 pa3);

    nOJIOca nponYCKaHHH 12 K2l{;
    .

    oCJIa6JIeHMe Ha KpaHx nOJIOCbI TpaKTa pa)l.MOlJaCTOThl - all .:;:;;; 6,0 86 (2 pa3a);

    KOHCTPYKTHBHoe KalJeCTBO KOHTypa - Q1\ = 20;

    npOMe}KYTotIHaa qaCTOTa -'- flIP
    465 K2l1;

    H36HpaTeJIbHOCTb Ha npOMe}KYTolIHOH qaCTOTe
    40 86;

    BXO)l.HaH Ilenh C HH)l.YKTHBHOH: CBH3bIO C aHTeHHoH.


    0,8 • 20

    5. TaK KaK Qli1 8,6
    Qa 1\
    16
    Q11 = 23 (pHC. 2.21 6), MOLKHO npoeKTHpoBaTb npHeMHMK C O)l.HHM nOJIOCOBbIM qmJIbTpOM B TpaKTe pa)l.HOqaCTOTbI, HMeIOIUHM
    3KBMBaJIeHTHOe KaqeCTBO KOHTypOB Qa = 10, TOr)l.a Qn
    8,6
    Qs
    10 QII = 23~
    6e3 KOHTypOB B YCHJIMTeJIHX pa)l.HOqaCTOTbI
    = 0).
    6. )lJIH MaKCHMaJIbHOH: qaCTOThI nO)l.)l.Hana30Ha no onpe,!(eJIHeTCH
    H36MpaTeJIbHOCTb no 3epKaJIbHoMY KaHaJIY:

    .."

    Tpe6yeTcH

    425

    4. ITpMHHMaH

    Q3K = IJ!QK =

    ViCXO)l.HbIC

    1

    no
    6

    op

    465
    515

    -

    425

    2·1000. - , 1355 - 8 6
    1355 _
    425 ,I , ,

    fMaKC

    ~_~I)nclEr...=
    f
    f
    f
    515
    465

    -

    -

    QH

    MMH):

    (Q



    fMRH

    TaK K'aK as MHH
    45,4 06> as MaIlC
    26,2 86> a3
    26 86, HCXO)LHqIe )LaHHbIe Bbl­
    nOJIHeHbI;
    f~HH;
    e) H36HpaTeJIbHOCTb Ha npOMe}KYTolIHOH lIaCTOTe [
    Qa

    ,

    3. )loOPOTHOCTh KOHTypOB KaJIhHOMY KaHqJIY [
    12
    10. - - = 0,82.
    147

    I1CXO)l.Hble )l.aHHbIe BbIllOJIHeHbI.
    8. )lJI51 MaKCliMaJIbHOH qaCTOTbI nO)l.)l.Hana30Ha
    l!36MpaTeJIbHOCTb Ha npoMeLKYTOqHOH qaCTOTe:

    a

    np

    (Qs/

    I)NypQ+2 f~p

    fnp

    f6

    fnp

    2f~

    no
    (10 1465

    ~

    425

    425
    465

    onpe)l.eJIHeTC5I

    465 2

    2 • 425 2

    = 2,1 (6,4 (6).

    TaK KaK 6,4 86 < 40 86, TO )l.JIH 06eCneqeHMH 3a)l.aHHOHM36MpaTeJIhHOCTH Ha npOMe­
    ·147 4 r - ­
    LKYTOqHOlI qaCTOTe He06xo)l.HMO npHMeHMTb 3anMpaIOlUHH qmJIbTp (§ 3.10).
    ---12-- Y 22 - 1 = 23.
    87
    86

    tIHCJIO KOHTypOB YCHJIHTeJIfl npOMeLK'YTOtIHOH tIaCTOThl
    3KBHBaJIeHTHYlO
    KOHTypOB Qa;

    H36HpaTeJIbHOCTb no coce,rr.HeMY KaHaJIY o· c;

    .oCJIa6JIeHHe Ha KpaflX nOJIOCbI O'II.

    Onpe,u;eJIeHHe 8l<:BUBaJIeH'NIOH ,u;06POTHOCTH 'KOHTypOB npOH3Bo,u;HTCH
    nO 3a,u;aHHOH H36npaTeJIbHO'CTH no coce,u;HeMY KaHaJIY H OCJIa6JIeHHlO Ha
    KpaHX nOJIOCbI nponYCKaHHH TpaKTa npOMe.lKYTOqHOH qaCTOTbI.
    PaCCMaTpHBalOTCH qeTblpe CJIyqaH.

    r an Vn~/2

    (2.89a)

    1,

    KaHaJIY:

    r,u;e

    Qrr

    Ilt c

    paccTpoHKa, npH KOTOPOH 3a,u;aHa II36IIpaTe.TIbHOCTb no

    >
    6

    BO,u;HTCH paCqeT no nn.

    § 2.4

    (CTp.

    HCxo,rr.HbIe

    L

    .

    95.

    =

    <
    <

    =

    0,8.80 = 64,

    = '¥Q K

    QaK

    <

    ==

    5. TaK KaK QlJ.
    53,4
    QaK
    64
    QII = 95, ;r(h~O)KHO npoeKTHpoBaTb TpaKT
    IIpOMe)KYTOtIHOH tIaCTOTbl C O,rr.HHOtIHbIMH pe30HaHcHbIMH KQlrrypaMH, npHHHMafl n lIp =
    2; Qa 55, TaK KaK 53,4 55 64 (pHC. 2.216).
    ''',
    6. H36HpaTeJIbHOCTb no coce,rr.HeMY KaHaJIY [
    <

    Xc=Qa

    O'c =(V 1 +

    X~trrp

    20
    55. 465 =2,37;

    p

    (VI

    + 2,372)2= 6,6 (16,4

    \

    ~,

    86).'~~
    \

    .

    >

    TaK. KaK 'O'e = 16,4 86
    16 86, YCJIOBHfl no H36HpaTeJIbHOCTH BbIllOJIHeHb'\
    7. OCJIa6JIeHHe Ha Kpaflx nOJIOCbI npOl1y.cKaHHfl [ \

    Xn=Qg

    79) BbII10JIHHlOTCH, TO npOH3§ 2.4 (CTp. 80-82).

    O'n=(Vl

    npUMep 2.18.

    "

    V2j/2·,5
    '-,- -"'-1 =

    4. TIpHHHMafl .llJIfl JIaMIIOBOro npHeMHHKa '¥
    0,8 lTaOJI. ~.Jb}, no
    onpe.lleJIfleTCfl 3KBHBaJIeHTHafl KOHCTPYKTHBHafl ,rr.06POTHOCTb KOHTypOB:

    (pa3,u;eJI la, 6)

    OIIpe,rr.eJIHTb OCHOBHble IIapaMeTpbI H36HpaTeJIbHOH cHcTeMbI YCHJ1.H­
    TeJIfl npOMe)KYTO,tIHOH tIaCTOTbI JIaMIIOBOro IIpHeMHHKa
    npH npHMeHeHHH O.llHHOtIHbIX

    465
    6

    f {nrrp -0'2 -1 465 1/2
    ~l'./
    =53 , 4 •
    V: c
    ,
    20- V :-r632-I
    "V . ,

    ct>ee.

    cpIIJIbTpaMII IIJIH
    6. ECJIII YCJIOBHH n.

    TaK KaK O'n

    = 3,52 86 < 8

    X~)nrrp

    [J

    6

    =55--=0,71,
    fnp
    465

    (VI +0,7I2)2

    1,5(3,5206).

    OCJIa6JIeHHe Ha KpaHX nOJIOCbl MeHbme 3a,rr.aHHoro.

    ,

    II. nPHMEHEHHE nonOCOBbiX YCHnHTEnEA npOMEH
    .llaHHble

    T

    IIpOMe)KYTOtIHafl tIaCTOTa lIP = 465 KZt;;
    nOJIoca nponycKaHHfl/-'- [J
    6 KZlf;
    oCJIa6JIeHHe Ha Kpaflx nOJIOCbI IIponycKaHHfl
    {In ~ 8 86 (2,5 pa3a);
    H36HpaTeJIbHOCTb no COCe.llHeMY KaHaJIY
    16 86 (6,3 pa3a);
    KOHCTPYKTHBHoe KatIeCTBO KOH'rypa QK
    paccTpoHKa, npH KOTOPOH 3a.llaHa 1I36HpaTeJIbHOCTb
    e = ± 10 KZt;.

    !if

    88

    ...
    'r.

    3. Heo6xo.lJ,HMafl ,rr.06POTHOCTb KOHTYfoB, o6eCnetIHBaIOll(afl 3a.llaHHYlO H36HpaTeJIb­
    HOCTb no coce,rr.HeMY KaHa:JIY [
    co­

    ce.u;HeMY KaHaJIY, Kclt;
    a~ - II36IIpaTeJIbHOCTb no coce,u;HeMY KcLHaJIY, pi13;
    4. ,L(aJIee paCqeT Be,u;eTCH fIO nn. 4, 5 a, 6, B § 2.4 (CTp. 77-80).
    5. ECJIII npII nrrp 4 QH Qrr IIJIII HeB03MO.lKHO BbII10JIHHTb yCJIOBHe QR
    Qalt, TO Heo6xo,u;HMO npHMeHIITb YCHJIIITeJIII C nOJIOCOBbIMli

    KOHTypOB.

    nrrPi2
    l' O'n -1

    (

    [J

    =

    QH

    npo­

    n:0600THOCTb KOHTypOB, 06eqJ1etIHBalOll(afl 3a,rr.aHHoe oCJIa6JIeHHe

    n

    HYlO H36HpaTeJIbHOCTb no

    YCHJIHTeJIfl

    Ha Kpaflx nOJIOCbl

    trrp -

    npOMe.lKYTOqHaH qaCTOTa, Kclt;
    IllHpHHa nOJIOCbI nponycKaHHH, Kclt;
    nrrp
    qHCJIO O,u;HHOqHbIX H36HpaTeJIbHbIX KOHTypOB;
    a rr
    oCJIa6JIeHIIe Ha KpaHx nOJIOCbI nponycKaHHH, npIIHHToe. ,u;JIH
    TpaKTa ripoMe.lKYTOqHOH qaCTOTbI, pa3.
    3. Heo6xo,u;HMaH ,u;06POTHOCTb KOHTypOB, o6eCneqHBalOmaH 3a,u;aH-

    r,u;e

    O,rr.HHOtIHbIX KOHTypOB

    2.

    nnp

    1. 3a,u;alOTcH opHeHTHpOBOqHbIM qIICJfOM O,u;HHOqHb!X KOHTypOB,
    06blqHO,u;BYMH (n rrp = 2), HO He 60JIee qeTblpex, TaK KaK TPy,u;HO o6ec­
    rreqIITb .rr.OCTaTOqHYlO YCTOHqIIBOCTb YCHJIeHHH.
    2. Heo6xo,u;HMaH ,u;06POTHOCTb KOHTypOB, o6eCneqHBalOmaH 3a,u;aH­
    Hoe OCJIa6JIeHHe Ha KpaHX nOJIOCbI nponYCKaHHH

    nnp;


    PaCtteT

    1. 3a,rr.aeMCfl opHeHTHpOBOtIHbIM tIHCJIOM
    Me)KYTOtIHOH tIaCTOTbI

    •• nPHMEHEHHE YCHnHTEnEIli C OAHHO'lHblMH PE30HAHCHblMH
    KOHTYPAMH, HACTPOEHHblMH HA 0AHY '1ACTOTY

    [J

    onpe,rr.e~HTb

    Tpe6yeTcfl

    Onpep;eJIeHlle 8KBIIBaJIeHTHOB: P;OOPOTHOCTII KOHTYPOB
    TpaKTa npOMemYTO'llHOB: 'IIaCTOTLI

    TaK KaK aHaJIIITHqeCKHH

    MeTO,u;

    pacqei'a OqeHb CJIO.lKeH II rpOM03­

    ,u;OK, npIIMeHHeTCH 6oJI.ee npOCTOH II HarJIH,u;HbIH rpacpW-IeCKIIH MeTO.lt
    no o606rn:eHHbIM peSOHaHCHbIM KpHBbIM.
    0606meHHble pe30HaHCHble KpIIBbIe rrOJIOCOBOro cpIIJIbTpa, co,u;ep­

    .lKarn:ero ,u;Ba CBH3aHHbIX o,u;IIHaKoBblx KOHTypa,

    n~Be,u;eHbI

    B npIIJIO­

    89