Current Mode Biquad Filter with Minimum Component Count

Algorithm 1

Model parameters used for simulation.

NMOS:

LEVEL=3 UO=460.5 TOX=1.0E-8 TPG=1 VTO=.62

JS=1.8E-6 XJ=.15E-6 RS=417 RSH=2.73 LD=0.04E-6

ETA=0 VMAX=130E3 NSUB=1.71E17

PB=0.761 PHI=0.905 THETA=0.129 GAMMA=0.69

KAPPA=0.1 AF=1 WD=0.11E-6 CJ=76.4E-5 MJ=0.357

CJSW=5.68E-10 MJSW=0.302 CGSO=1.3 8E-10

CGDO=1.38E-10 CGBO=3.45E-10 KF=3.07E-28

DELTA=.42 NFS=1.2E11

PMOS:

LEVEL=3 UO=100 TOX=1.0E-8 TPG=1 VTO=-0.58

JS=.38E-6 XJ=0.1E-6 RS=866 RSH=1.81 LD=0.03E-6

ETA=0 VMAX=113E3 NSUB=2.08E17 PB=0.991

PHI=0.905 THETA=0.120 GAMMA=0.76 KAPPA=2

AF=1 WD=0.14E-6 CJ=85E-5 MJ=0.429

CJSW=4.67E-10 MJSW=.631 CGSO=1.38E-10

CGDO=1.38E-10 CGBO=3.45E-10 KF=1.08E-29

DELTA=0.81 NFS=0.52E11