Analog Filter Design Toolbox by James Squire

GUI to design and simulate active (opamp) LP and HP Bessel, Butter, Cheby, and Elliptic filters. (active filter, chebychev, chebyshe)

Analog Filter Design Toolbox

BuildCircuit_FindZ1P1K1(curStage)

BuildCircuit_LastStage(strCircuit)

RF Utilities V1.2 by Neill Tucker

Routines for Smith Chart, TDR, Mixed-Mode S-params, Matching (tapered line, matlab dxf, mixed mode sparameter...)

Grp=gdelayc(Snn,Freq,Zo,linetype);

Grp=gdrawc(Snn,Freq,Zo,linetype);

L1=ildrawc(Snn,Freq,Zo,linetype);