Amplifier device packages incorporating internal couplers
AssigneeMACOM Technology Solutions Holdings, Inc.
InventorKenneth Brewer
Life of this patent
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Abstract
An amplifier package includes a plurality of input leads, a plurality of transistor amplifiers having inputs respectively coupled to one of the plurality of input leads, and a quadrature hybrid coupler within the amplifier package and coupled between the plurality of input leads and the plurality of transistor amplifiers, wherein the quadrature hybrid coupler is configured to divide an input signal received from a first of the plurality of input leads between the plurality of transistor amplifiers.
Claims22
An amplifier package comprising:
- a plurality of input leads;
- a plurality of transistor amplifiers having inputs respectively coupled to one of the plurality of input leads;
- and
- a quadrature hybrid coupler within the amplifier package and coupled between the plurality of input leads and the plurality of transistor amplifiers, wherein the quadrature hybrid coupler is configured to divide an input signal received from a first of the plurality of input leads between the plurality of transistor amplifiers,
- wherein the quadrature hybrid coupler comprises a plurality of ports, and
- wherein none of the ports of the quadrature hybrid coupler are terminated within the amplifier package.
An amplifier package comprising:
- a first input lead and a second input lead;
- a submount;
- a first transistor amplifier and a second transistor amplifier on the submount;
- and
- a quadrature hybrid coupler on the submount, the quadrature hybrid coupler comprising an input port, a first output port, a second output port, and an isolated port,
- wherein the input port is coupled to the first input lead, the isolated port is coupled to the second input lead, the first output port is coupled to the first transistor amplifier, and the second output port is coupled to the second transistor amplifier, and
- wherein the isolated port is terminated by a characteristic impedance that is external to the amplifier package.
An amplifier package coupled to an external characteristic impedance, the amplifier package comprising:
- a plurality of input leads and a plurality of output leads;
- a plurality of transistor amplifiers internal to the amplifier package;
- and
- a plurality of quadrature hybrid couplers internal to the amplifier package and coupled to the plurality of transistor amplifiers, each of the plurality of quadrature hybrid couplers comprising an isolated port coupled to one of the plurality of input leads or one of the plurality of output leads, wherein the one of the plurality of input leads or the one of the plurality of output leads is coupled between the isolated port and the external characteristic impedance.
Dependencies are inferred from the claim text.