RF power amplifier integrated circuit and unit cell
First Claim
1. An RF power amplifier integrated circuit, comprising:
- a) a plurality of linear arrays of transistor device units, wherein each transistor device unit comprises at least one source node and at least one first gate node;
b) at least one source bus, wherein the at least one source bus is operably coupled to the at least one source node of each transistor device unit;
c) at least one first gate bus, wherein the at least one first gate bus is operably coupled to the at least one first gate node of each transistor device unit; and
,d) a least one linear array of capacitors, wherein a first electrode of each of the capacitors is operably coupled to the at least one source bus, and wherein a second electrode of each of the capacitors is operably coupled to the at least one first gate bus, and wherein the at least one linear array of capacitors is disposed between two of the linear arrays of transistor device units.
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Accused Products
Abstract
A novel RF power amplifier integrated circuit (PA IC), unit cell, and method for amplifying RF signals are disclosed. One embodiment of a PA IC includes at least two linear arrays comprising transistor device units, and at least one linear array comprising capacitors. The transistor device units include source nodes that are jointly coupled to a source bus, and selected gate nodes that are jointly coupled to a gate bus. First electrodes of the capacitors are also jointly coupled to the source bus, and second electrodes of the capacitors are jointly coupled to the gate bus. Each linear array comprising capacitors is disposed between at least two linear arrays comprising transistor device units. In one embodiment, the PA IC includes unit cells. In some embodiments, each unit cell comprises two transistor device units and one or more capacitors. The capacitors are disposed between the transistor device units. The unit cells are disposed in linear arrays so that the transistor device units are disposed in linear arrays and the capacitors are disposed in linear arrays.
39 Citations
25 Claims
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1. An RF power amplifier integrated circuit, comprising:
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a) a plurality of linear arrays of transistor device units, wherein each transistor device unit comprises at least one source node and at least one first gate node; b) at least one source bus, wherein the at least one source bus is operably coupled to the at least one source node of each transistor device unit; c) at least one first gate bus, wherein the at least one first gate bus is operably coupled to the at least one first gate node of each transistor device unit; and
,d) a least one linear array of capacitors, wherein a first electrode of each of the capacitors is operably coupled to the at least one source bus, and wherein a second electrode of each of the capacitors is operably coupled to the at least one first gate bus, and wherein the at least one linear array of capacitors is disposed between two of the linear arrays of transistor device units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for amplifying RF signals, comprising the steps of:
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a) providing an input RF signal to an input bus operably coupled to input nodes of a plurality of linear arrays of transistor device units, wherein two linear arrays of the transistor device units are operably coupled to at least one linear array of the capacitors, and wherein the at least one linear array of capacitors is disposed between two of the linear arrays of transistor device units; and
,b) providing an output RF signal via an output bus operably coupled to output nodes of the two linear arrays of transistor device units. - View Dependent Claims (18, 19, 20)
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21. A unit cell for use in implementing an RF power amplifier integrated circuit, comprising:
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at least two transistor device units (TDUs), wherein the TDUs comprise a plurality of transistor sub-units, and wherein the transistor sub-units include at least two transistors coupled together in a series configuration, and wherein the at least two TDUs comprise source nodes (SN) and gate nodes (GN) coupled to the sources and drains of the at least two transistors; and a coupling capacitor disposed between the at least two TDUs, wherein the coupling capacitor has a first electrode and a second electrode disposed on opposite sides of the coupling capacitor, and wherein the first electrode is coupled to the source nodes (SN) and wherein the second electrode is coupled to the gate nodes (GN). - View Dependent Claims (22, 23, 24, 25)
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Specification