Libros de electric filters

Analog CMOS filters for very high frequencies

EMI filter design

Outrageous Macintosh filters

Modern filter design

Analog and digital filter design using C

Passive, Active, and Digital Filters

Continuous-Time Sigma-Delta A/D Conversion

Adaptive filters

Digital Signal Processing

Design and realizations of miniaturized fractal RF and microwave filters

The circuits and filters handbook

Electronics, noise, and signal recovery

Spatial Filtering Velocimetry

Practical Filter and Couplers

Advances in Multirate Systems

Filter design for satellite communications

Discrete stochastic processes and optimal filtering

Filter handbook

CRC handbook of electrical filters

Optimal filtering