Figure 12.3, Graph. The horizontal scale is frequency from 10 to 100 kHz on a log scale. The vertical scale is in dB from 0 to 24. All curves begin at the left rising about 1 dB to a maximum at 30 Hz. They then fall slowly at first and then more rapidly finally reaching a low point at about 650 Hz. They then start upward and get to a maximum at about 20 kHz then falling about 2 dB to 100 kHz. The data are given below using the export data as text feature in LTspice. There are three columns, frequency, amplitude in dB, and phase angle. Feel free to ignore the phase angle. There are 5 groups of data one for each value of PMp.

Freq. V(n004)
Step Information: Pmp=1 (Run: 1/5)
1.00000000000000e+01 (1.64539356400606e+01dB,-1.47225542572969e+02°)
1.46779926762207e+01 (1.72730770221647e+01dB,-1.58550079762498e+02°)
2.15443469003188e+01 (1.76812339095411e+01dB,-1.68445408750500e+02°)
3.16227766016838e+01 (1.78142140248179e+01dB,-1.77257569108861e+02°)
4.64158883361278e+01 (1.77265536477786e+01dB,1.74268428109168e+02°)
6.81292069057962e+01 (1.73764737119048e+01dB,1.65367310359107e+02°)
1.00000000000000e+02 (1.66230693302412e+01dB,1.55625720356424e+02°)
1.46779926762207e+02 (1.52473882256987e+01dB,1.45460521232933e+02°)
2.15443469003189e+02 (1.30141735229898e+01dB,1.36508833677081e+02°)
3.16227766016838e+02 (9.68368583121510e+00dB,1.31941104894930e+02°)
4.64158883361278e+02 (4.94459090046100e+00dB,1.39837255098630e+02°)
6.81292069057962e+02 (1.43599027085350e+00dB,-1.76491658632632e+02°)
1.00000000000000e+03 (5.74687584175002e+00dB,-1.40194103225170e+02°)
1.46779926762207e+03 (1.00637842330918e+01dB,-1.35834370857830e+02°)
2.15443469003189e+03 (1.29621104332253e+01dB,-1.41378799159857e+02°)
3.16227766016838e+03 (1.47958981530335e+01dB,-1.49963011146436e+02°)
4.64158883361279e+03 (1.58575071965757e+01dB,-1.58709573298815e+02°)
6.81292069057963e+03 (1.64172541396867e+01dB,-1.66382875415399e+02°)
1.00000000000000e+04 (1.66869683176538e+01dB,-1.72844383824136e+02°)
1.46779926762207e+04 (1.67956294292286e+01dB,-1.78519536390886e+02°)
2.15443469003189e+04 (1.68015549339565e+01dB,1.75960669701542e+02°)
3.16227766016839e+04 (1.67085574370688e+01dB,1.69904865450939e+02°)
4.64158883361279e+04 (1.64686610172412e+01dB,1.62625049251279e+02°)
6.81292069057963e+04 (1.59736958802788e+01dB,1.53567151953839e+02°)
1.00000000000000e+05 (1.50594544432274e+01dB,1.42614157056079e+02°)
Step Information: Pmp=2.5K (Run: 2/5)
1.00000000000000e+01 (1.72097382735527e+01dB,-1.47277078220550e+02°)
1.46779926762207e+01 (1.80109798736452e+01dB,-1.58367418338461e+02°)
2.15443469003188e+01 (1.84088493675935e+01dB,-1.67941116951906e+02°)
3.16227766016838e+01 (1.85382072280537e+01dB,-1.76328804990255e+02°)
4.64158883361278e+01 (1.84531150452107e+01dB,1.75773060113955e+02°)
6.81292069057962e+01 (1.81141783966352e+01dB,1.67683960659400e+02°)
1.00000000000000e+02 (1.73889291124430e+01dB,1.59124302624751e+02°)
1.46779926762207e+02 (1.60813525463036e+01dB,1.50724062071150e+02°)
2.15443469003189e+02 (1.40199918614835e+01dB,1.44466310210085e+02°)
3.16227766016838e+02 (1.11691101210552e+01dB,1.43975474242790e+02°)
4.64158883361278e+02 (7.92835505419185e+00dB,1.55749735574740e+02°)
6.81292069057962e+02 (6.56090598938801e+00dB,-1.75464584594855e+02°)
1.00000000000000e+03 (8.89947205825419e+00dB,-1.51679547413915e+02°)
1.46779926762207e+03 (1.20190777212888e+01dB,-1.45031853357523e+02°)
2.15443469003189e+03 (1.44793840034991e+01dB,-1.47771797648663e+02°)
3.16227766016838e+03 (1.61345435116671e+01dB,-1.54366691684363e+02°)
4.64158883361279e+03 (1.71166706563914e+01dB,-1.61764605493880e+02°)
6.81292069057963e+03 (1.76394033833187e+01dB,-1.68536188183018e+02°)
1.00000000000000e+04 (1.78910200398779e+01dB,-1.74411987234842e+02°)
1.46779926762207e+04 (1.79893771190715e+01dB,-1.79731836147830e+02°)
2.15443469003189e+04 (1.79865523647023e+01dB,1.74927891831849e+02°)
3.16227766016839e+04 (1.78813738913667e+01dB,1.68910683543265e+02°)
4.64158883361279e+04 (1.76200632161790e+01dB,1.61557833370252e+02°)
6.81292069057963e+04 (1.70876230180584e+01dB,1.52361449006842e+02°)
1.00000000000000e+05 (1.61161039222864e+01dB,1.41289226485380e+02°)
Step Information: Pmp=6.5K (Run: 3/5)
1.00000000000000e+01 (1.82646527989827e+01dB,-1.47461923107581e+02°)
1.46779926762207e+01 (1.90388633245263e+01dB,-1.58235631529473e+02°)
2.15443469003188e+01 (1.94219560605010e+01dB,-1.67382688086878e+02°)
3.16227766016838e+01 (1.95476728419520e+01dB,-1.75220503419395e+02°)
4.64158883361278e+01 (1.94703905131958e+01dB,1.77611556136166e+02°)
6.81292069057962e+01 (1.91566094835575e+01dB,1.70531212881737e+02°)
1.00000000000000e+02 (1.84911705754342e+01dB,1.63399014465669e+02°)
1.46779926762207e+02 (1.73202968195998e+01dB,1.57016391393097e+02°)
2.15443469003189e+02 (1.55714490714592e+01dB,1.53466571264863e+02°)
3.16227766016838e+02 (1.34255909224153e+01dB,1.55826128182030e+02°)
4.64158883361278e+02 (1.15309336838991e+01dB,1.66928140462576e+02°)
6.81292069057962e+02 (1.10566116780055e+01dB,-1.75070945396811e+02°)
1.00000000000000e+03 (1.24070750972852e+01dB,-1.59867977996883e+02°)
1.46779926762207e+03 (1.45249578982814e+01dB,-1.53468631359580e+02°)
2.15443469003189e+03 (1.64706961994760e+01dB,-1.54321704620996e+02°)
3.16227766016838e+03 (1.78830844797118e+01dB,-1.59112886827760e+02°)
4.64158883361279e+03 (1.87502703582948e+01dB,-1.65148126419454e+02°)
6.81292069057963e+03 (1.92180012987203e+01dB,-1.70970877651010e+02°)
1.00000000000000e+04 (1.94423466232707e+01dB,-1.76228662892199e+02°)
1.46779926762207e+04 (1.95249728350716e+01dB,1.78811592100762e+02°)
2.15443469003189e+04 (1.95085702014948e+01dB,1.73624844811329e+02°)
3.16227766016839e+04 (1.93843361061972e+01dB,1.67589219283184e+02°)
4.64158883361279e+04 (1.90896931626966e+01dB,1.60081066755212e+02°)
6.81292069057963e+04 (1.84998458813140e+01dB,1.50659548955559e+02°)
1.00000000000000e+05 (1.74429250093344e+01dB,1.39417316894784e+02°)
Step Information: Pmp=14K (Run: 4/5)
1.00000000000000e+01 (1.98669504613430e+01dB,-1.48001303344207e+02°)
1.46779926762207e+01 (2.05945692715683e+01dB,-1.58304531152186e+02°)
2.15443469003188e+01 (2.09531721475267e+01dB,-1.66839541361321e+02°)
3.16227766016838e+01 (2.10744832462837e+01dB,-1.73920800412255e+02°)
4.64158883361278e+01 (2.10141378308807e+01dB,1.79877342713504e+02°)
6.81292069057962e+01 (2.07501077908710e+01dB,1.74080001553234e+02°)
1.00000000000000e+02 (2.01975374728404e+01dB,1.68664721500655e+02°)
1.46779926762207e+02 (1.92659866499138e+01dB,1.64460908599312e+02°)
2.15443469003189e+02 (1.79902764619287e+01dB,1.63190602408894e+02°)
3.16227766016838e+02 (1.66529796239873e+01dB,1.66529102128909e+02°)
4.64158883361278e+02 (1.57308524707912e+01dB,1.74557186670568e+02°)
6.81292069057962e+02 (1.56362494774772e+01dB,-1.75036411339240e+02°)
1.00000000000000e+03 (1.64291689437425e+01dB,-1.65966910316678e+02°)
1.46779926762207e+03 (1.77729026311821e+01dB,-1.61103324365458e+02°)
2.15443469003189e+03 (1.91775055130476e+01dB,-1.61013947223971e+02°)
3.16227766016838e+03 (2.02854399756574e+01dB,-1.64295170557988e+02°)
4.64158883361279e+03 (2.09950622039093e+01dB,-1.68992704020608e+02°)
6.81292069057963e+03 (2.13839106831282e+01dB,-1.73830216700909e+02°)
1.00000000000000e+04 (2.15678752716295e+01dB,-1.78450225100794e+02°)
1.46779926762207e+04 (2.16260340637829e+01dB,1.76927192608751e+02°)
2.15443469003189e+04 (2.15868606565636e+01dB,1.71819101162432e+02°)
3.16227766016839e+04 (2.14291235162485e+01dB,1.65636912179894e+02°)
4.64158883361279e+04 (2.10756975851671e+01dB,1.57806206677317e+02°)
6.81292069057963e+04 (2.03869609416794e+01dB,1.48000808601547e+02°)
1.00000000000000e+05 (1.91890849508596e+01dB,1.36518817171273e+02°)
Step Information: Pmp=25K (Run: 5/5)
1.00000000000000e+01 (2.16355221696283e+01dB,-1.48981562799238e+02°)
1.46779926762207e+01 (2.23024324286655e+01dB,-1.58756203413563e+02°)
2.15443469003188e+01 (2.26296767132696e+01dB,-1.66641562908054e+02°)
3.16227766016838e+01 (2.27451616200641e+01dB,-1.72969404338677e+02°)
4.64158883361278e+01 (2.27052408687351e+01dB,-1.78266508306491e+02°)
6.81292069057962e+01 (2.25003306497725e+01dB,1.77064887869329e+02°)
1.00000000000000e+02 (2.20760017833926e+01dB,1.73035285446367e+02°)
1.46779926762207e+02 (2.13927373700329e+01dB,1.70325225993027e+02°)
2.15443469003189e+02 (2.05324882229096e+01dB,1.70087951824947e+02°)
3.16227766016838e+02 (1.97382959344903e+01dB,1.72969133600829e+02°)
4.64158883361278e+02 (1.92797781821481e+01dB,1.78342660639662e+02°)
6.81292069057962e+02 (1.93076827323858e+01dB,-1.75266245594138e+02°)
1.00000000000000e+03 (1.98395726659274e+01dB,-1.69543480474350e+02°)
1.46779926762207e+03 (2.07534958864522e+01dB,-1.66118081743333e+02°)
2.15443469003189e+03 (2.17800631384526e+01dB,-1.65884128093613e+02°)
3.16227766016838e+03 (2.26376061425783e+01dB,-1.68333920876078e+02°)
4.64158883361279e+03 (2.32047319608705e+01dB,-1.72135310348300e+02°)
6.81292069057963e+03 (2.35182421363301e+01dB,-1.76274087367763e+02°)
1.00000000000000e+04 (2.36617211466432e+01dB,1.79541584870459e+02°)
1.46779926762207e+04 (2.36931171870520e+01dB,1.75096154598088e+02°)
2.15443469003189e+04 (2.36258539581574e+01dB,1.69924537780534e+02°)
3.16227766016839e+04 (2.34240605870940e+01dB,1.63461764187949e+02°)
4.64158883361279e+04 (2.29932934736542e+01dB,1.55193767157650e+02°)
6.81292069057963e+04 (2.21789303082803e+01dB,1.44947061207663e+02°)
1.00000000000000e+05 (2.08123857322606e+01dB,1.33263165098273e+02°)
End verbal description.
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