MULTI-MODE POWER AMPLIFIER
0 Assignments
0 Petitions
Accused Products
Abstract
A power amplifier module that includes a power amplifier and a controller is presented herein. The power amplifier module may include a set of transistor stages and a plurality of bias circuits. At least one transistor stage from the set of transistor stages may be in electrical communication with a first bias circuit and a second bias circuit from the plurality of bias circuits. The first bias circuit can be configured to apply a first bias voltage to the at least one transistor stage and the second bias circuit can be configured to apply a second bias voltage to the at least one transistor stage. The controller may be configured to activate one of the first bias circuit and the second bias circuit.
-
Citations
21 Claims
-
1. (canceled)
-
2. A method for controlling a power amplifier, the method comprising:
-
receiving a mode selection signal at a controller of a power amplifier; determining, based at least in part on the mode selection signal, an operating state for the power amplifier, the operating state selected from a plurality of operating states including a saturation operation state and a linear operation state; and in response to determining that the power amplifier is to operate in the saturation operation state, generating a first voltage and providing the first voltage to a first bias circuit of the power amplifier, and deactivating a second bias circuit of the power amplifier. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
-
-
10. A system for controlling a power amplifier, the system comprising:
a power amplifier controller in communication with a power amplifier and configured to; receive a mode selection signal; determine, based at least in part on the mode selection signal, an operating state for the power amplifier, the operating state selected from a plurality of operating states including a saturation operation state or a linear operation state; and in response to determining that the power amplifier is to operate in the saturation operation state, generate a first voltage and provide the first voltage to a first bias circuit of the power amplifier, and deactivate a second bias circuit of the power amplifier. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
-
18. A power amplifier module comprising:
-
a power amplifier; a first bias circuit configured to bias the power amplifier in a saturation mode; a second bias circuit configured to bias the power amplifier in a linear mode; and a power amplifier controller configured to;
receive a mode selection signal;determine, based at least in part on the mode selection signal, an operating state for the power amplifier, the operating state selected from a plurality of operating states including a saturation operation state or a linear operation state; and
, in response to determining that the power amplifier is to operate in the saturation operation state, provide a first voltage to the first bias circuit and deactivate the second bias circuit. - View Dependent Claims (19, 20, 21)
-
Specification