DC simulation 
bridge.sch 
twodimensional DC sweep 

Mirrors_prj.tar.gz 
collection of current mirror schematics using mos and
bipolar 

charac.sch 
output characteristics of a bipolar transistor 

diff1.sch 
largesignal characteristic of a differential
amplifier 

fgummel.sch 
forward gummel characteristic of a bipolar
transistor 

rgummel.sch 
reverse gummel characteristic of a bipolar
transistor 

preregulator.sch 
simple series preregulator circuit 
AC simulation 
swr_meter.sch 
circuit of an SWR meter 

gyrator.sch 
a primitive gyrator circuit 

resonance.sch 
shows voltage overshot of series resonance circuit 

stab.sch 
simulates stability of feedback circuit 

active_bp.sch 
a simple bandpass filter with OpAmp 

active_lp.sch 
active 6th order Chebyshev lowpass filter 

bbv.sch 
a BJT broadband amplifier circuit 

singleOPV.sch 
subcircuit of an small, internally compensated MOS
OpAmp 

gain.sch 
simple example for "singleOPV.sch" (needs the circuit
above to be run) 

notch.sch 
a 50Hz notch filter realized with OpAmp gyrator 

selective_amp.sch 
classic selective RF amplifier 

Amp4.zip 
audio amplifier provided by John H. Ludwig 

MillerAmp_prj.zip 
general purpose amplifier provided by John H.
Ludwig 

bjt_noise.zip 
simple flicker noise simulation for a BJT provided by
Antonio 

1838MHz_PLL_prj.tar.gz 
1838MHz PLL modelling including noise provided by M.J.
Head 

groupdelay_ac.sch 
group delay of a Butterworth filter using AC
simulation 

qucsradiometermodel.tgz 
radiometer model provided by Andrea Zonca 
Transient simulation 
mixer.sch 
a doublebalanced mixer 

lf_osci.sch 
an oscillator for lowfrequencies 

rf_osci.sch 
a Peltz oscillator 

colpitts.sch 
a colpitts oscillator with JFET 

classic_osci.sch 
a classic oscillator design 

multiplier.sch 
a chargepumped voltage multiplier 

active_mixer.sch 
an active, singlebalanced mixer 

gilbert.sch 
a gilbert cell mixer 

sym_osci.sch 
a symmetrical MOSFET oscillator 

schmitt.sch 
a schmitt trigger circuit 

colpitts_base.sch 
a colpitts oscillator in commonbase circuit 

supply.sch 
a conventional power supply 

chargepump.sch 
a chargepump circuit doubling the voltage 

lc_osc.sch 
a symmetrical LC CMOS oscillator 

single_balanced.sch 
singlebalanced CMOS mixer 

Puls3b.sch 
fast transient pulse generation 

sawtooth1.sch 
sawtooth generator using simple thyristor, thanks to
Oswald 

sawtooth2.sch 
sawtooth generator using opamp integrator, thanks to
Oswald 

sawtooth3.sch 
sawtooth generator using flipflop 

sawtoothdiscreet.sch 
sawtooth generator using thyristor, thanks to
Oswald 

time_resistor.sch 
timedependent variable resistor 

vfile_test_tran.tar.gz 
test of filebased voltage source 

fullwaverectifier_1.sch 
fullwave rectifier using a transformer and 2
diodes 

fullwaverectifier_2.sch 
Gratz bridge rectifier: a fullwave rectifier using 4
diodes 

buckconverter.sch 
buck converter (stepdown DCDC converter) circuit 

boostconverter.sch 
boost converter (stepup DCDC converter) circuit 

buckboost.sch 
inverting buck/boost converter circuit 
Sparameter simulation 
elliptic_5th.sch 
a 5th order low pass elliptic filter 

chebyshev1_5th.sch 
a 5th order low pass Chebyshev type 1 filter 

fhr01fh.sch 
smallsignal model of a Fujitsu HEMT (including noise
analysis) 

giacoletto.sch 
modified Giacoletto equivalent circuit 

fet.sch 
smallsignal model of a high gain FET (subcircuit) 

fet_noise.sch 
noise matching of the FET in fet.sch 

microstrip.sch 
simple examples how to use microstrip components 

bpf_10Ghz.sch 
a microstrip band pass filter created by Toyoyuki
Ishikawa 

opamp_gyrator.sch 
gyrator with operational amplifier 

wilkinson.sch 
an ideal Wilkinson divider 

2StageAmplifier_prj.tar.gz 
building a twostage RF amplifier with stabilization,
noise and power matching 

groupdelay_sp.sch 
group delay of a Butterworth filter using Sparameter
simulation 

SmithChartTest.sch 
Smith chart example test with a band pass filter 
Digital simulation 
DigitalAdder_prj.tar.gz 
fourbit adder using onebit halfadders and
fulladders 

flip_flops_models_tran_prj.zip 
collection of flipflop models usable for digital as
well as transient simulation 

BCD_prj.tar.gz 
fourbit synchronous BCD counter 
Harmonic balance 
diode_hb.sch 
very simple diode setup for demonstration purposes
only 