Back to results
US 10,320,336 B2Granted
Output power cell for cascode amplifiers
OwnerJohn William Mitchell Rogersinventor
Life of this patent
Estimating the term…
Abstract
A cascode power cell for a power amplifier circuit includes a radio frequency signal input node, a radio frequency signal output node, and a plurality of sub-cells each including a first transistor having a collector coupled to the radio frequency signal output node, each of the plurality of sub-cells further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, and a base coupled to the radio frequency signal input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another.
Claims17
A cascode power cell for a power amplifier circuit comprising:
- a radio-frequency signal input node;
- a radio-frequency signal output node;
- and
- a plurality of sub-cells each including a first transistor having a collector coupled directly to the radio-frequency signal output node, each of the plurality of sub-cells further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, a base coupled to the radio-frequency signal input node, and an emitter coupled to a resistor at an emitter node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another, and the emitter nodes for each of the plurality of sub-cells being electrically isolated from each other.
1 more element
A cascode power cell for a power amplifier circuit comprising:
- a radio-frequency signal input node;
- a radio-frequency signal output node;
- and
- a plurality of sub-cells each including a first transistor having a collector coupled directly to the radio-frequency signal output node and a base coupled to a capacitor, each of the plurality of sub-cells further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, and a base coupled to the radio-frequency signal input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another.
1 more element
A cascode power amplifier circuit comprising:
- a radio-frequency signal input node;
- a radio-frequency signal output node;
- and
- a power amplifier core coupled to the radio-frequency signal input node and the radio-frequency signal output node and including an amplifier cell including a plurality of sub-cells, each of the plurality of sub-cells of the amplifier cell including a first transistor having a collector coupled directly to an amplifier output node, each of the plurality of sub-cells of the amplifier cell further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, an emitter coupled to a resistor at an emitter node, and a base coupled to an amplifier input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another, the emitter nodes for each of the plurality of sub-cells being electrically isolated from each other.
1 more element
A cascode power amplifier circuit comprising
- a radio-frequency signal input node;
- a radio-frequency signal output node;
- and
- a power amplifier core coupled to the radio-frequency signal input node and the radio-frequency signal output node and including an amplifier cell including a plurality of sub-cells, each of the plurality of sub-cells of the amplifier cell including a first transistor having a collector coupled directly to an amplifier output node and a base coupled to a capacitor, each of the plurality of sub-cells of the amplifier cell further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, and a base coupled to an amplifier input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another.
1 more element
A radio-frequency module comprising:
- a power amplifier including an amplifier cell including a plurality of sub-cells, each of the plurality of sub-cells of the amplifier cell including a first transistor having a collector coupled directly to an amplifier output node, each of the plurality of sub-cells of the amplifier cell further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, an emitter coupled to a resistor at an emitter node, and a base coupled to an amplifier input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another, the emitter nodes for each of the plurality of sub-cells being electrically isolated from each other.
A radio-frequency module
- a power amplifier including an amplifier cell including a plurality of sub-cells, each of the plurality of sub-cells of the amplifier cell including a first transistor having a collector coupled directly to an amplifier output node and a base coupled to a capacitor, each of the plurality of sub-cells of the amplifier cell further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, and a base coupled to an amplifier input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another.
Dependencies are inferred from the claim text.