Multi-band power amplifier
First Claim
1. A power amplifier module comprising:
- a power amplifier including a first stage and a second stage, the power amplifier configured to receive a signal;
a first programmable harmonic termination circuit located between the first stage and the second stage of the power amplifier, the first programmable harmonic termination circuit including a first plurality of capacitors and a first plurality of switches, at least one of the first plurality of capacitors in electrical communication with at least one of the first plurality of switches; and
a controller configured to modify a configuration of the first plurality of switches of the first programmable harmonic termination circuit based at least in part on a second harmonic frequency of the signal.
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Accused Products
Abstract
Systems, devices and methods related to multi-band power amplifier. In some embodiments, a power amplifier module includes a power amplifier having an output stage and configured to receive a signal. The power amplifier module also includes a first programmable harmonic termination circuit in electrical communication with the output stage of the power amplifier. The first programmable harmonic termination circuit includes a first plurality of capacitors and a first plurality of switches, with at least one of the first plurality of capacitors being in electrical communication with at least one of the first plurality of switches. The power amplifier module further includes a controller configured to modify a configuration of the first plurality of switches of the first programmable harmonic termination circuit based at least in part on a second harmonic frequency of the signal.
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Citations
20 Claims
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1. A power amplifier module comprising:
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a power amplifier including a first stage and a second stage, the power amplifier configured to receive a signal; a first programmable harmonic termination circuit located between the first stage and the second stage of the power amplifier, the first programmable harmonic termination circuit including a first plurality of capacitors and a first plurality of switches, at least one of the first plurality of capacitors in electrical communication with at least one of the first plurality of switches; and a controller configured to modify a configuration of the first plurality of switches of the first programmable harmonic termination circuit based at least in part on a second harmonic frequency of the signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless device comprising:
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a plurality of load lines, at least some of the load lines corresponding to a different communication frequency band; a switch network configured to electrically connect a load line from the plurality of load lines to a power amplifier; and a power amplifier module including the power amplifier, a first programmable harmonic termination circuit in electrical communication with an output stage of the power amplifier, and a controller, the power amplifier configured to receive a signal, the first programmable harmonic termination circuit including a first plurality of capacitors and a first plurality of switches, at least one of the first plurality of capacitors in electrical communication with at least one of the first plurality of switches, and the controller configured to modify a configuration of the first plurality of switches of the first programmable harmonic termination circuit based at least in part on a second harmonic frequency of the signal. - View Dependent Claims (13, 14, 15)
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16. A power amplifier module comprising:
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a multistage power amplifier including at least a first stage and a second stage, the multistage power amplifier configured to receive a signal; an inter-stage programmable harmonic termination circuit located between the first stage and the second stage, the inter-stage programmable harmonic termination circuit including a plurality of capacitors and a plurality of switches, at least one of the plurality of capacitors in electrical communication with at least one of the plurality of switches; and a controller configured to modify a configuration of the plurality of switches of the inter-stage programmable harmonic termination circuit based at least in part on a harmonic frequency of the signal. - View Dependent Claims (17, 18, 19, 20)
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Specification