Surface mount filter with integral transmission line connection

Claim 2

A surface mountable dielectric block filter which directly mounts on a conductive surface of a substrate, characterized by: a volume of dielectric material having at least two conductive resonators within said volume of dielectric material and extending from a first surface of said volume of dielectric material to a second surface of said volume of dielectric material, said second surface and at least part of a third surface of said volume of dielectric material being substantially covered with a conductive material; a first electrode disposed on said first surface of said volume of dielectric material for coupling to a first one of said at least two resonators; a first terminal disposed on said third surface of said volume of dielectric material for directly connecting to the conductive surface of the substrate; and said surface mountable dielectric block filter further characterized by; a first transmission line disposed on at least one surface of said volume of dielectric material, said first transmission line having first and second ends, coupled at said first end to said first electrode and coupled at said second end to said first terminal.

Claim 3

A surface mountable dielectric block filter in accordance with claim 1 further characterized in that each of said at least two conductive resonators further comprises a conductive material substantially covering the surface of a hole extending from said first surface of said volume of dielectric material to said second surface of said volume of dielectric material.

Claim 4

A surface mountable dielectric block filter in accordance with claim 1 characterized in that said first one of said at least two resonators further comprises a second electrode disposed on said first surface of said volume of dielectric material.

Claim 5

A surface mountable dielectric block filter in accordance with claim 3 characterized in that said first electrode and said second electrode further comprise a capacitor.

Claim 6

A surface mountable dielectric block filter in accordance with claim 1 further characterized by a third electrode disposed on said first surface of said volume of dielectric material for coupling to a second one of said at least two resonators.

Claim 7

A surface mountable dielectric block filter in accordance with claim 5 further characterized by a second terminal disposed on said third surface of said volume of dielectric material for directly connecting to the conductive surface of the substrate.

Claim 8

A surface mountable dielectric block filter in accordance with claim 6 further characterized by a second transmission line disposed on at least one surface of said volume of dielectric material, said second transmission line having first and second ends, coupled at said first end to said third electrode and coupled at said second end to said second terminal.

Claim 9

A surface mountable dielectric block filter in accordance with claim 1 characterized in that said conductive surface of the substrate further comprises a pattern which produces a substrate transmission line to which said first terminal is directly connected.

Claim 10

A surface mountable dielectric block filter in accordance with claim 1 characterized in that said conductive material covering at least part of said third surface of said volume of dielectric material is directly connected to the conductive surface of the substrate.

Claim 11

A surface mountable dielectric block filter which directly mounts on a conductive surface of a substrate characterized by: a parallelepiped block of dielectric material having at least two conductive resonators within said volume of dielectric material and extending from a top surface of said parallelepiped block of dielectric material to a bottom surface of said parallelpiped block of dielectric material, said bottom surface and at least first, second, and third side surfaces of said parallelepiped block of dielectric material each being substantially covered with a conductive material; a first terminal, disposed on a fourth side surface of said parallelepiped block of dielectric material, for directly connecting to the conductive surface of the substrate; and said surface mountable dielectric block filter further characterized by: a transmission line disposed on a fourth side surface of said parallelepiped block of dielectric material, said transmission line coupled to one of said at least two resonators and having first and second ends, said transmission line further coupled at said first end to said conductive material and coupled at least between said first end and said second end to said first terminal.

Claim 12

A surface mountable dielectric block filter which directly mounts on a conductive surface of a substrate characterized by: a parallelepiped block of dielectric material having at least two conductive resonators within said volume of dielectric material and extending from a top surface of said parallelepiped block of dielectric material to a bottom surface of said parallelpiped block of dielectric material, said bottom surface and at least first, second, and third side surfaces of said parallelepiped block of dielectric material each being substantially covered with a conductive material; a first terminal, disposed on a fourth side surface of said parallelepiped block of dielectric material, for directly connecting to the conductive surface of the substrate; and said surface mountable dielectric block filter further characterized by: a transmission line disposed on a fourth side surface of said parallelepiped block of dielectric material, said transmission line coupled to one of said at least two resonators and having first and second ends, said transmission line further coupled at said first end to said conductive material and coupled at least between said first end and said second end to said first terminal.

Claim 13

A surface mountable dielectric block filter in accordance with claim 10 characterized in that each of said at least two conductive resonators further comprises a conductive material substantially covering the surface of a hole extending from said top surface of said parallelepiped block of dielectric material to said bottom surface of said parallelepiped block of dielectric material.

Claim 14

A surface mountable dielectric block filter in accordance with claim 10 characterized in that said first one of said at least two resonators further comprises a second electrode disposed on said top surface of said parallelepiped block of dielectric material.

Claim 15

A surface mountable dielectric block filter in accordance with claim 10 characterized in that the conductive surface of the substrate further comprises a pattern which produces a substrate transmission line to which said first terminal is directly connected.

Claim 16

A surface mountable dielectric block filter in accordance with claim 10 characterized in that said conductive material covering at least part of said surfaces of said parallelepiped block of dielectric material is directly connected to the conductive surface of the substrate.

Claim 17

A radio transceiver duplexer characterized by: a substrate having a transmitter leg transmission line and a receiver leg transmission line disposed on said substrate for coupling a transmitter filter and a receiver filter to an antenna; a first volume of dielectric material comprising: (a) at least two conductive resonators tuned as a transmitter filter and disposed within said first volume of dielectric material and extending from a first surface of said first volume of dielectric material to a second surface of said first volume of dielectric material, said second surface and at least part of a third surface of said first volume of dielectric material being substantially covered with a conductive material, (b) a first electrode disposed on said first surface of said first volume of dielectric material for coupling to a first one of said at least two resonators, and a second volume of dielectric material comprising: (a) at least two conductive resonators tuned as a receiver filter and disposed within said second volume of dielectric material extending from a first surface of said second volume of dielectric material to a second surface of said second volume of dielectric material, said second surface and at least part of a third surface of said second volume of dielectric material being substantially covered with a conductive material, (b) a first electrode disposed on said first surface of said second volume of dielectric material for coupling to a first one of said at least two resonators, said radio transceiver duplexer further characterized in that: said first volume of dielectric material further comprising: (a) a first terminal disposed on said third surface of said first volume of dielectric material for directly connecting to said transmitter leg transmission line, and (b) a first transmission line disposed on at least one surface of said first volume, said first transmission line having first and second ends, coupled at said first end to said first electrode and coupled at said second end to said first terminal; and said second volume of dielectric material further comprising: (c) a first terminal disposed on said third surface of said second volume of dielectric material for directly connecting to said receiver leg transmission line, and (d) a second transmission line disposed on at least one surface of said second volume, said second transmission line having first and second ends, coupled at said first end to said first electrode and coupled at said second end to said first terminal.

Claim 18

A radio transceiver duplexer characterized by: a substrate having a transmitter leg transmission line and a receiver leg transmission line disposed on said substrate for coupling a transmitter filter and a receiver filter to an antenna; a first volume of dielectric material comprising: (a) at least two conductive resonators tuned as a transmitter filter and disposed within said first volume of dielectric material and extending from a first surface of said first volume of dielectric material to a second surface of said first volume of dielectric material, said second surface and at least part of a third surface of said first volume of dielectric material being substantially covered with a conductive material, (b) a first electrode disposed on said first surface of said first volume of dielectric material for coupling to a first one of said at least two resonators, and a second volume of dielectric material comprising: (a) at least two conductive resonators tuned as a receiver filter and disposed within said second volume of dielectric material extending from a first surface of said second volume of dielectric material to a second surface of said second volume of dielectric material, said second surface and at least part of a third surface of said second volume of dielectric material being substantially covered with a conductive material, (b) a first electrode disposed on said first surface of said second volume of dielectric material for coupling to a first one of said at least two resonators, said radio transceiver duplexer further characterized in that: said first volume of dielectric material further comprising: (a) a first terminal disposed on said third surface of said first volume of dielectric material for directly connecting to said transmitter leg transmission line, and (b) a first transmission line disposed on at least one surface of said first volume, said first transmission line having first and second ends, coupled at said first end to said first electrode and coupled at said second end to said first terminal; and said second volume of dielectric material further comprising: (c) a first terminal disposed on said third surface of said second volume of dielectric material for directly connecting to said receiver leg transmission line, and (d) a second transmission line disposed on at least one surface of said second volume, said second transmission line having first and second ends, coupled at said first end to said first electrode and coupled at said second end to said first terminal.

Claim 19

A radio transceiver duplexer in accordance with claim 15 characterized in that each of said at least two conductive resonators in each of said volumes of dielectric material further comprises a conductive material substantially covering the surface of a hole extending from said first surface of each said volume of dielectric material to said second surface of each said volume of dielectric material.

Claim 20

A radio transceiver duplexer in accordance with claim 15 characterized in that at least one of said first and second volumes of dielectric material further comprises a second electrode of said first one of said at least two resonators disposed on said first surface of said at least one volume of dielectric material.

Claim 21

A radio transceiver duplexer in accordance with claim 17 characterized in that said first electrode and said second electrode further comprise a capacitor.