Patent ID: 7418251

Claim:
A radio frequency RF harmonic filter circuit fabricated using integrated passive device IPD process technology, said RF harmonic filter circuit comprising: a semiconductor circuit substrate; a conductive RF input pad formed on said semiconductor circuit substrate; a conductive RF output pad formed on said semiconductor circuit substrate; a first IPD capacitance formed on said semiconductor circuit substrate said first IPD capacitance having an RF input node, corresponding to said conductive RF input pad, and an RF output node; an IPD inductance formed on said semiconductor circuit substrate, said IPD inductance being connected in parallel with said first IPD capacitance; a second IPD capacitance formed on said semiconductor circuit substrate, said second IPD capacitance being connected to said RF input node; and a third IPD capacitance formed on said semiconductor circuit substrate, said third IPD capacitance being connected to said RF output node; wherein said conductive RF input pad, said conductive RF output pad, said first IPD capacitance, said IPD inductance, said second IPD capacitance, and said third IPD capacitance are all formed during one semiconductor fabrication process.