# Qucs 0.0.18  C:/Documents and Settings/s0237326/My Documents/Temp/boostconverter.sch
# boostconverter.net

L:L1 _net0 dio L="47uH" I="0"
Vdc:V2 _net0 gnd U="12V"
Eqn:Eqn1 Tmax="Bperiod*20" Tstep="Bperiod/1000" Export="yes"
.ETR:ETR1 IntegrationMethod="Trapezoidal" Order="2" InitialStep="1 ns" MinStep="Tstep" MaxIter="150" reltol="0.001" abstol="1 pA" vntol="1 uV" Temp="26.85" LTEreltol="1e-3" LTEabstol="1e-6" LTEfactor="1" Solver="CroutLU" relaxTSR="no" initialDC="yes" MaxStep="Tstep"
Eqn:Eqn2 Bfreq="40k" Bperiod="1/Bfreq" Bduty="50" Ton="Bperiod*Bduty/100" Toff="Bperiod-Ton" Export="yes"
Relais:S1 ctrl dio gnd gnd Vt="0.5 V" Vh="0.1 V" Ron="1" Roff="1e12" Temp="26.85"
Vrect:V1 ctrl gnd U="1V" TH="Ton" TL="Toff" Tr="1 ns" Tf="1 ns" Td="0 ns"
Diode:D1 out dio Is="1e-12 A" N="1" Cj0="10 fF" M="0.5" Vj="0.7 V" Fc="0.5" Cp="0.0 fF" Isr="0.0" Nr="2.0" Rs="0.0 Ohm" Tt="0.0 ps" Ikf="0" Kf="0.0" Af="1.0" Ffe="1.0" Bv="0" Ibv="1 mA" Temp="26.85" Xti="3.0" Eg="1.11" Tbv="0.0" Trs="0.0" Ttt1="0.0" Ttt2="0.0" Tm1="0.0" Tm2="0.0" Tnom="26.85" Area="1.0"
C:C1 out gnd C="100u" V="0"
R:R1 gnd out R="5" Temp="26.85" Tc1="0.0" Tc2="0.0" Tnom="26.85"
