$BBh(B 6 $B2s(B $B2sO)$N@\B3$HFC@-(B(4)

$BK\F|$NFbMF(B

6-1. $B=IBj$N2rEz(B

$B=IBj(B

$B

$B2rEz(B

$B$^$:@.N)$9$k<0$r@0M}$7$^$9!#(B

V_Y = frac{1}{n}V_X , I_Y = n I_X
V_1 = V_X, I_1 = frac{V_1}{j omega L} + I_X , V_2 = V_Y, I_2 = I_Y, V_2 = I_2 R_L

$B:8B&$N2sO)$r1&B&$N2sO)$KKd$a9~$`>l9g$O!"(B VY $B$H(B IY $B$N4X78$r5a$a$^$7$?$,!"F1MM$K(B VX $B$H(B IX $B$N4X78$r5a$a$^$9!#(B

V_X = n V_Y = n V_2
I_X = frac{1}{n} I_Y = frac{1}{n} I_2
frac{1}{n} V_X = n I_X R_L
V_X = I_X n^2 R_L

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mail protected]$K$h$kA}I}4o$N@\B3(B

mail protected]$N=PNO$O!"%"!<%9$H$NEE0L:9$G$O$J$/!"N>C<$NEE05$r

$BBh(B3$B2s$GI|=,$7$?!V%P%$%"%9$r9MN8$7$?A}I}2sO)!WF1;[email protected]$G@\B3$9$k>l(B $B9g!"[email protected]$N=PNO$N7R$.J}$K$OFs$D$N%Q%?!<%s$,$"$j$^$9!#(B

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$B$3$N@\B3$K4X$7$F<~GH?t$K$h$kJQ2=$r2r@O$7$^$9!#(B $BA}I}4o$NF~NOB&$O!"FbIt$KF~NODq93(B Ri$B$"$k$@$1(B $B$H8+$J$9$3$H$,$G$-$k$H2>Dj$7$^$9!#$^$?!"%3%s%G%s%5$N1F6A$r9M$($k$HJ#;((B $B$G$9$N$G!"$3$3$G$O%3%s%G%s%5$N1F6A$ru67(B $B$G$"$k$H9M$($^$9!#$D$^$j!"%3%s%G%s%5$rF3@~$KCV$-49$($^$9!#(B

$B$3$N;~!"A}I}4o$KD>@\?.9f$rF~NO$9$k$3$H$H!"[email protected]$r;H$C$FF~NO$9$k$3$H$r(B $B9M$($^$9!#(B


$B;O$a$K!"[email protected]$J$7$N2sO)$K4X$7$F9M$($^$9!#(B

V_i = V_1
I_i = frac{frac{1}{R_i}}{frac{1}{R_B} + frac{1}{R_i}} I_1

$B

V quote_i = frac{V_1}{n}
I quote _i = frac{ frac{1}{R_i}}{frac{n^2}{j omega L} + frac{1}{R_B} + frac{1}{R_i}} n I_1
frac{V quote _i}{V_i} = frac{1}{n}
frac{I quote _i}{I_i} = n frac{ frac{1}{R_B} + frac{1}{R_i}} {frac{n^2}{j omega L} + frac{1}{R_B} + frac{1}{R_i}}
~ = n frac{1}{frac{n^2 R_B R_i}{j omega L ( R_B + R_i )} + 1 }

$B$3$l$O(B$B&X(B $B$,(B n2 RB Ri / (L( RB + Ri )) $B$h$j==J,>.$5$$;~$OJ,Jl$N(B 1 $B$rL5;k$G$-$k$N$G(B $B&X(B$B$KHfNc$7!"(B $B==J,Bg$-$$;~$O0lDjCM(B n $B$K$J$j$^$9!#(B

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mail protected]$r;HMQ$9$k%a%j%C%H(B

$B.$5$$$J$,$i$bDq93$r;}$C$?D9$$@~$K$h$j9=@.$5$l!"$^$?(B $B<'3&$rH/@8$5$;$k%3%"$N@-$B;29MJ88%(B: $B;3B<1QJf!V%H%m%$%@%k!&%3%"3h(B $BMQI42J!W(BCQ $B=PHG]

$B=>$C$F!"9b<~GH$G$N@-G=$ONI$/$J$/!"$b$C$Q$i%*!<%G%#%*2sO)(B(20Hz$B!A(B20kHz) $B$G;HMQ$5$l$^$9!#(B $B$^$?!"[email protected]$O%3%s%G%s%5$KHf$Y$F9b2A$G=E$$$G$9!#(B

$B$7$+$7!"[email protected]$O(B$B@09g$,$H$l$k(B$B$H$$$&%a%j%C%H$,$"$j$^$9!#(B

$B:#$^$GF~NO?.9f$N=PNO%$%s%T!<%@%s%9$O(B 0 $B$H$7$FRo $B$H$7$^$9!#(B $B$^$?!"C1=c$N$?$a!"A}I}4o$NF~NO%$%s%T!<%@%s%9$O(B Ri $B$H$7$^$9!#(B $B$3$l$^$G@bL@$7$F$-$?A}I}4o$N@\B3ItJ,$N2sO)$O

  1. $B%3%s%G%s%57k9g(B
  2. $B%H%i%s%97k9g(B

$B%3%s%G%s%57k9g(B

1 $B$N2sO)$G(B Av $B$r5a$a$^$9!#(B $BD>Ns$N2sO)$J$N$G!"EE05$O3FAG;R$N%$%s%T!<%@%s%9$KHfNcG[J,$5$l$^$9!#(B $BD>@\5a$a$k$H

A_v = frac{R_i}{R_o + frac{1}{j omega C} + R_i}

$B$3$l$O3FAG;R$r$I$N$h$&$KA*$s$G$bI,$:(B 1 $B$h$j>.$5$$CM$K$J$j$^$9!#(B

mail protected](B

2 $B$N2sO)$G$bF1MM$K(B Av $B$r5a$a$^$9!#(B $B4JC1$N$?$a%$%s%@%/%?%s%[email protected],$r>JN,$7$^$9!#(B $B=IBj$N7k2L$rMQ$$$k$H!"Ey2A2sO)$O

$B%H%i%s%97k9g$NEy2A2sO)(B
A_v = frac{1}{n} frac{n V_2}{V_1} = frac{n R_i}{R_o + n^2 R_i}

$B$3$l$O(B n $B$K$h$jCM$,JQ$o$j$^$9!#:#$^$G$N7P83$r;H$&$H(B n2 Ri / Ro $B$,(B 1 $B$h$j==J,>.$5$$;~$O(B Av $B$O(B $B$[$\(B n Ri / Ro $B$K$J$k$N$G!"(B n$B$KHfNc$7$FA}2C$7$^$9!#(B $B0lJ}(B n2 Ri / Ro $B$,(B 1 $B$h$j==J,Bg$-$$;~$O(B Av $B$O(B $B$[$\(B 1/n $B$H$J$j!"(B n $B$KH?HfNc$7$F8:>/$7$^$9!#(B $B=>$C$F!"(Bn $B$NCM$K$h$j(B Av $B$O:GBgCM$r$H$j$^$9!#(B $B$3$3$G(B Av $B$r(B n $B$GJPHyJ,$7$F!":GBgCM$r5a$a$^$9!#(B

frac{partial A_v}{partial n} = frac{R_i ( R_o + n^2 R_i ) - 2 n R_i n R_i}{( R_o + n^2 R_i )^2}
~ = frac{R_i ( R_o - n^2 R_i ) }{( R_o + n^2 R_i )^2}

$B$3$l$O(B n = $B"e(B( Ro / Ri ) $B$N;~(B 0 $B$K$J$k$N$G!"$3$N;~(B Av $B$O:GBgCM(B frac{1}{2} sqrt{frac{R_i}{R_o}} $B$K$J$j$^$9!#(B $B$3$l$O(B Ri $B$H(B Ro $B$N4X78$K$h$C$F$O(B 1 $B$r1[$($^$9!#=>$C$F!"@09g$r9M$($k$@$1$J$i$P!"[email protected](B $B$K$h$k@\9g$O8zN($,NI$/$J$j$^$9!#(B

gnuplot $B$K$h$k(BAv $B$NFC@-$N%0%i%U(B 
plot [0:][0:1] x/(1+x*x),x,1/x

6-3. $B=IBj(B

(2)mail protected]$H%P%$%"%9Dq93$rD>Ns$K@\B3$9$k>l9g$K$D$$$F$b!"(B(1)mail protected]$N0lC<(B $B$r%"!<%9$K@\B3$7$?>l9g$HF1MM!"<~GH?tFC@-$r5a$a$J$5$$!#(B

$B:dK\D>;V(B <[email protected]>
$BEl5~EE5!Bg3X9)3XIt>pJsDL?.9)3X2J(B