Фазовая автоподстройка частоты

1cw 3.15 U1STANDARD U2BOLD L U3NORM L U5NORM_SL U9MATH U0DRAWSYM U!SMALL_R U"BOLD R U#NORM R U$ITAL R U)MATH_I U*LINEDRAW

\1cw 3.15

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Rfr ,skj \ crfpfyj \ hfytt^ \ cbcntvf \ AFGX \ dyjcbn

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jib,re htuekbhjdfybz gj afpt\,

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\^\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \)D\9v\!ecn \#= \9v\!ecn \#- \33\#/2\9p\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \^\#(\31\#3)\,

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Ghb \ \ ljcnb;tybb \ \ yfxfkmyjq \ \ hfccnhjqrb \ \ uhfybw

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j,kfcnb \ dnzubdfybz^ \ gjkexftncz \ vfrcbvfkmyjt \ pyfxtybt

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jib,rb \)D\9v\!ecn vf[ \#= \9+ p\#/2\,

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\12.3. \#Ecnjqxbdjcnm cbcntvs AFGX&\,

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Ecnjqxbdjcnm \ AFGX \ ljcnbuftncz \ \ ghb \ \ dsgjkytybb

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ythfdtycndf \3K\!afgx \3< \#0& \ Lkz \ dsgjkytybz \ 'njuj \ eckjdbz

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pyfrb \ rhenbpys \ cnfnbxtcrb[ \ [fhfrnthbcnbr \ AL \ b \ EE

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ljk;ys ,snm ghjnbdjgjkj;ysvb& \ {fhfrnthyjq \ jcj,tyyjcnm.

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\+

cbcntvs \ AFGX \ zdkztncz \ nj^ \ xnj \ erfpfyyjt \ \ eckjdbt

\-

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dsgjkybvj ytpfdbcbvj \ jn \ bc[jlyjuj \ cjcnjzybbz \ pyfrjd

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rhenbpys& \ "nj \ j,eckjdktyj \ gthbjlbxyjcnm. \ cnfnbxtcrjq

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[fhfrnthbcnbrb AL \ b \ tt \ cbvvtnhbxyjcnm. \ jnyjcbntkmyj

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jcb jhlbyfn&\,

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Jlyfrj tckb \ d \ cbcntvt \ cjlth;fncz \ eprjgjkjcyst

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abkmnhs^ \ dyjczobt \ pyfxbntkmyjt \ pfgfplsdfybt \ cbuyfkf^

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cbcntvf \ \ AFGX \ \ \ vj;tn \ \ \ ,snm \ \ \ ytecnjqxbdjq& \ \ \ Ghb

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bcgjkmpjdfybb jlyjpdtyyjuj \3RC \#- \ abkmnhf^ \ cbcntvf \ AFGX

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dctulf ecnjqxbdf^ yj ghjwtcc ecnfyjdktybz vj;tn yjcbnm

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rjkt,fntkmysq [fhfrnth ghb ,jkmijv pyfxtybb \ gjcnjzyyjq

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dhtvtyb abkmnhf&\,

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\-\/

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\^\ \ \ \ \ \ \ \ \13. \#Rjv,bybhjdfyyfz cbcntvf AFGX - XFGX&\ \ \ \ \ \ \ \ \^\,

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Hfytt ,skj gjrfpfyj^ xnj cbcntvs \ AFGX \ j,kflf.n

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eprjq \ gjkjcjq \ dnzubdfybz^ \ pfdbczoe. \ jn \ \ gjcnjzyyjq

\-

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dhtvtyb abkmnhf& D nj ;t \ dhtvz \ XFGX \ kbityf \ 'njuj

\-

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\+

ytljcnfnrf^ yj \ jyf \ dyjcbn \ jcnfnjxye. \ jib,re \ htue-\A

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kbhjdfybz gj xfcnjnt&\,

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Tckb nht,etncz ,scnhjltqcndbt \ cbcntvs^ \ f \ nfr;t

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ghb pyfxbntkmys[ rjkt,fybz[ \ xfcnjns \ d[jlyjuj \ cbuyfkf

\-

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lkz evtymitybz afpjdjq jib,rb ghbvtyz.n rjv,bybhjdfyyst

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c[tvs \ AFGX \ - \ XFGX& \ Ckt;tybt \ pf \ xfcnjnjq \ d[jlyjuj

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cbuyfkf \ jceotcndkztncz \ cbcntvjq \ AFGX& \ Tt \ gfhfvtnhs

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db,bhf.ncz nfrbv j,hfpjv^ xnj,s \ vfrcbvfkmyj \ evtymibnm

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jib,rb ckt;tybz& Eprfz \ ievjdfz \ gjkjcf \ cbcntvs \ AFGX

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gjpdjkztn gjkexbnm ,jkmijt \ jnyjitybt \ cbuyfk/iev& \ Lkz

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j,ktuxtybz gjbcrf \ cbuyfkf^ \ f \ nfr;t \ lkz \ edtkbxtybz

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yflt;yjcnb ckt;tybz bcgjkmpetncz ,jktt \ uhe,fz \ cbcntvf

\-

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XFGX^ rjnjhfz \ bvttn \ ibhjre. \ gjkjce \ dnzubdfybz^ \ yj

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jnckt;bdftn cbuyfk c ytrjnjhjq jib,rjq gj xfcnjnt&\,

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Tckb \ vfrcbvfkmyfz \ jib,rf \ cbcntvs \ XFGX \ vtymit

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gjkjcs elth;fybz AFGX^ nj gjckt njuj^ rfr jyf ddtltn

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cbcntve d ht;bv cby[hjybpfwbb^ xfcnjnye. fdnjgjlcnhjqre

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vj;yj \ jnrk.xbnm& \ Ghb \ ds[jlt \ xfcnjns \ \ bp \ \ j,kfcnb

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elth;fybz cyjdf drk.xftncz XFGX&\,

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Ghbvth aeyrwbjyfkmyjq c[tvs AFGX \ - \ XFGX \ gjrfpfy

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yf hbc& \33\#&\,

\-\/

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D 'njq \ c[tvt \ cbcntvs \ AFGX \ b \ XFGX \ drk.xtys

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gfhfkktkmyj& Eghfdkz.ott yfghz;tybt gjcnegftn c \ ds[jlf

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cevvfnjhf^ yf rjnjhsq xthtp abkmnhs gjlfys \ yfghz;tybz

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c afpjdjuj b xfcnjnyjuj ltntrnjhjd&\,

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\+\*[----------------------------------------------------------]

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\+ p

\+ p\3U\!gj

\+ \*<

\+ u-----o u-----o

\+ p p \3U\!al \*p p

\+ u-L-o \#A L \*u--L---o \#A\!1 \*p

\+ p

\+ p m-----. m--i--.

\+ p p

\+ p <

\+ p p

\+ u-----o u-----o p u-----o

\+ \3U\!c \*p p p p p p \0s \*p

\+ [---Lo \#C V \*u--L--o \#EGX \*u--o p u----o

\+ p \0t \*p

\+ m--i--. m-----. p m--i--. p

\+ p p p p

\+ p p I p

\+ p p p p

\+ p p u-----o u-----o p

\ \ \ \ \ \ \ \ \ \ p\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ p\ \ \ p\ \ \ \ \ p\ \ \3U\!xl\ \*p\ \ \ \ \ p\ \ \ \ p\,

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\-

\- m-----. m-----. m-----.

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\-[----------------------------------------------------------]

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\^\ \ \ \ \ \ \ \#Hbc& \33\#& Aeyrwbjyfkmyfz c[tvf AFGX - XFGX&\ \ \ \ \ \ \ \^\,

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\^\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \"K B N T H F N E H F\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \^\,

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\2[1]\"& \#Cghfdjxybr gj ext,yjve ghjtrnbhjdfyb. \,

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ghbtvyj - ecbkbntkmys[ ecnhjqcnd& 2t bpl&\,

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gjl htl& V& R& <tkrbyf \3"\#Dbof irjkf\3" \#1988\,

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\2[2]\"& \#Fdnjvfnbxtcrfz htuekbhjdrf ecbktybz b\,

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fdnjvfnbxtcrfz gjlcnhjqrf xfcnjns utnthj-\,

\-

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lbyf& Ext,yjt gjcj,bt gj rehce \3"\#ecbkb-\,

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ntkmyst b ghbtvyst ecnhjqcndf\3"\#& VFB^ 1977\,

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\^\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \"C J L T H : F Y B T\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \^\,

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\21\"& \$J,obt cdtltybz j, FGX&&&&&&&&&&&&&&&&&&&\21\,

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2\$& Cbcntvf afpjdjq fdnjgjlcnhjqrb xfcnjns&&\22\,

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2\$&\21\$& Cnhernehyfz c[tvf b ghbywbg \,

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ltqcndbz AFGX&&&&&&&&&&&&&&&&&&&&&&&\22\,

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2\$&\22\$& Gjkjcf elth;fybz b gjkjcf dnz-\,

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ubdfybz cbcntvs AFGX&&&&&&&&&&&&&&&\27\,

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2\$&\23\$& Ecnjqxbdjcnm cbcntvs AFGX&&&&&&&&&&\28\,

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3\$& Rjv,bybhjdfyyfz cbcntvf AFGX - XFGX&&&&&&\29\,

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\$Kbnthfnehf&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&\211\,

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\=

_