Annular piezoelectric filter

Antenna balun

Antenna board assembly with wire receptacle and switch

Antenna coupler

Antenna coupler

Antenna coupling circuit

Antenna terminating and signal coupling adapter

Anti-reciprocal network

Aperiodic low-pass filter and method of making the same

Apparatus and method for a low power digital filter bank

Apparatus and method for adaptively filtering a time-varying...

Apparatus and method for adjusting the timing of a sampling...

Apparatus and method for generating quadrature signals

Apparatus and method for providing improved resistive ratio...

Apparatus and method for removal of sinusoidal noise from a...

Apparatus for achieving a predetermined transfer characteristic

Apparatus for and method of controlling a feedforward filter...

Apparatus for and method of controlling a feedforward filter...

Apparatus for and method of controlling a feedforward filter...

Apparatus for and method of controlling the operation of an...