Embedded filter apparatus

摘要

The present invention relates to a stripline filter for reducing harmonic radiation from a transmitter designed for operation at a predetermined frequency, comprising: a stripline transmission line extending from a first terminal to a second terminal; a first pair of quarter-wave tuned resonators tuned to a first predetermined harmonic of a predetermined frequency and coupled to said stripline transmission line; and a second pair of quarter-wave tuned resonators tuned to a second predetermined harmonic of said predetermined frequency and coupled to said stripline transmission line.