Automatic generation of CMOS continuous-time elliptic filters

A procedure for the generation of CMOS, continuous-time, high-frequency g m -C filters with finite tranmission zeros is presented. A third-order elliptic filter with 0.5 dB equiripple passband, 15 MHz cutoff frequency and -23 dB attenuation in the stopband is given as an example. The automatic generation method can be generalised to arbitrary high-order prototypes and higher-frequency filters derived from LC ladders