{VERSION 4 0 "IBM INTEL NT" "4.0" }
{USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 
1 0 0 0 0 1 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 
0 0 1 }{CSTYLE "2D Output" 2 20 "" 0 1 0 0 255 1 0 0 0 0 0 0 0 0 0 1 }
{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 
2 2 1 1 1 1 }1 1 0 0 0 0 1 0 1 0 2 2 0 1 }{PSTYLE "Maple Output" -1 
11 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 1 1 1 }3 3 0 
0 0 0 1 0 1 0 2 2 0 1 }{PSTYLE "Maple Output" -1 12 1 {CSTYLE "" -1 
-1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 1 1 1 }1 3 0 0 0 0 1 0 1 0 2 2 
0 1 }}
{SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 77 "Worksheet zur Berechnung d
er max. Frequenzgangverzerrung (in dB) infolge des " }}{PARA 0 "" 0 "
" {TEXT -1 78 "Resonanzmaximums im Ba\337bereich im Impedanzverlauf vo
n Kopfh\366rern bei endlichem" }}{PARA 0 "" 0 "" {TEXT -1 76 "Ausgangs
widerstand und Pr\374fung der Auswirkung eines Parallelwiderstands zur
 " }}{PARA 0 "" 0 "" {TEXT -1 25 "Kompensation des Effekts." }}{PARA 
0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 65 "Zentral ist die
 Funktion 'hump', die folgende Parameter ben\366tigt:" }}{PARA 0 "" 0 
"" {TEXT -1 59 "Z_n: Nennimpedanz bei 1 kHz, \374blicherweise ~= Re(Z)
, in Ohm" }}{PARA 0 "" 0 "" {TEXT -1 54 "Z_max: Impedanz (komplex!) be
i Resonanzmaximum, in Ohm" }}{PARA 0 "" 0 "" {TEXT -1 104 "R_p: (optio
nal) Widerstand direkt parallel zum Treiber in Ohm (nicht vorhanden --
> z.B. 100000 eingeben)" }}{PARA 0 "" 0 "" {TEXT -1 56 "R_a: Ausgangsw
iderstand in Ohm, \374blicherweise rein reell" }}{PARA 0 "" 0 "" 
{TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 16 "Hilfsfunktionen:" }}
{PARA 0 "" 0 "" {TEXT -1 31 "Par - schn\366de Parallelschaltung" }}
{PARA 0 "" 0 "" {TEXT -1 82 "imzmax(Z_max, Z_n) - berechnet Betrag des
 Im-Teils von Z_max in Ohm unter Annahme " }}{PARA 0 "" 0 "" {TEXT -1 
43 "von Z_n = Re(Z_max), das reicht hierf\374r aus" }}{PARA 0 "" 0 "" 
{TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 11 "Zus\344tzlich:" }}{PARA 
0 "" 0 "" {TEXT -1 84 "outlevel (Z_n, R_a) - Abfall des Ausgangspegels
 infolge von R_a bei Anschlu\337 von Z_n" }}{PARA 0 "" 0 "" {TEXT -1 
24 "im Vergleich zu R_a = 0." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 
0 30 "Par:=unapply(x*y/(x+y), x, y);" }}{PARA 11 "" 1 "" {XPPMATH 20 "
6#>%$ParGR6$%\"xG%\"yG6\"6$%)operatorG%&arrowGF)*&*&9$\"\"\"9%F0F0,&F/
F0F1F0!\"\"F)F)F)" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 120 "hump:
=unapply(20*log10(abs((Par(Z_max,R_p)/(Par(Z_max,R_p)+R_a))/(Par(Z_n,R
_p)/(Par(Z_n,R_p)+R_a)))),Z_n,Z_max,R_p,R_a);" }}{PARA 12 "" 1 "" 
{XPPMATH 20 "6#>%%humpGR6&%$Z_nG%&Z_maxG%$R_pG%$R_aG6\"6$%)operatorG%&
arrowGF+,$*&-%#lnG6#-%$absG6#*&*(9%\"\"\",&9$F:9&F:F:,&*&*&F<F:F=F:F:F
;!\"\"F:9'F:F:F:*(,&F9F:F=F:F:,&*&*&F9F:F=F:F:FDFAF:FBF:F:F<F:FAF:-F26
#\"#5FA\"#?F+F+F+" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 44 "evalf(
hump(60,60+I*sqrt(3)*60,75,470))*'dB';" }}{PARA 11 "" 1 "" {XPPMATH 
20 "6#,$%#dBG$\"+Ia]HP!\"*" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 
56 "outlevel:=unapply(20*log10(abs(Z_n/(Z_n+R_a))),Z_n,R_a);" }}{PARA 
11 "" 1 "" {XPPMATH 20 "6#>%)outlevelGR6$%$Z_nG%$R_aG6\"6$%)operatorG%
&arrowGF),$*&-%#lnG6#-%$absG6#*&9$\"\"\",&F6F79%F7!\"\"F7-F06#\"#5F:\"
#?F)F)F)" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 37 "print(evalf(out
level(60,1200))*'dB');" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#,$%#dBG$!+!f
QWk#!\")" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 47 "imzmax:=unapply
(sqrt(Z_max^2-Z_n^2),Z_max,Z_n);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%
'imzmaxGR6$%&Z_maxG%$Z_nG6\"6$%)operatorG%&arrowGF)*$-%%sqrtG6#,&*$)9$
\"\"#\"\"\"F6*$)9%F5F6!\"\"F6F)F)F)" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 52 "evalf(hump(50,50+I*imzmax(250,50),100000,330))*'dB';
" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#,$%#dBG$\"+9bHY7!\")" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 48 "evalf(hump(50,50+I*imzmax(250,50),4
7,330))*'dB';" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#,$%#dBG$\"+E\"4!H[!\"
*" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 51 "evalf(hump(50,50+I*imz
max(250,50),100000,47))*'dB';" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#,$%#d
BG$\"+Uv'*)H&!\"*" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}
{MARK "10 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 
2 33 1 1 }
