Masterarbeit - Physikzentrum der RWTH Aachen

l e t tmin= tmin0−1u
p r i n t tmin
meas tran f i i n t e g magn2 from=1u to =100u
l e t Fin = f i /tmin
echo Fi = $&Fin
meas tran fv i n t e g dmag2 from=1u to =100u
l e t Fvn = fv ∗tmin / 2 .
echo Fv = $&Fvn
l e t enc2 = e ^2/8 ∗ ( tmin∗ f i n ∗ in2+fvn ∗en2∗C_input∗C_input / tmin )
l e t enc = s q r t ( enc2 [ 1 ] ) / 1 f
l e t enc_el = enc /( echarge )∗1 f
echo enc = $&enc fC = $&enc_el e−h p a i r s
meas tran charge i n t e g i ( v n o i s e ) from=1u to =100u
meas tran vmin min v ( out ) from=1u to =100u
l e t amp_q = vmin / charge
echo charge a m p l i f i c a t i o n i s $&amp_q V/C
l e t vrms = amp_q∗ enc ∗1 f ∗ s q r t ( 2 )
echo thus Vrms = $&vrms V
. endc
Listing A.4: Netzliste zur Simulation des Vorverstärkers
∗ g n e t l i s t −g s p i c e −sdb −o stage0 . net stage0 . sch
∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
∗ Spice f i l e generated by g n e t l i s t ∗
∗ s p i c e −sdb v e r s i o n 4 . 2 8 . 2 0 0 7 by SDB −− ∗
∗ p r o v i d e s advanced s p i c e n e t l i s t i n g c a p a b i l i t y . ∗
∗ Documentation at http : / /www. brorson . com/gEDA/SPICE/ ∗
∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
∗vvvvvvvv Included SPICE model from /home/max/work/
+e l e c t r o n i c s / p r o j e c t s / models /MAX4478 .FAM vvvvvvvv
∗ MAX4478MACROMODEL
∗ −−−−−−−−−−−−−−−−−−−−−−−−−−−−
∗ Revision 0 . 5/2004
∗ Copyright ( c ) 2003−2012 Maxim I n t e g r a t e d Products . All
∗ Rights Reserved .
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