Power Amplifier With Transistor Input Mismatching
First Claim
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1. A power amplifier comprising:
- a first input module comprising a transformer and configured to receive a first radio frequency signal and generate output signals;
impedance transformation modules each of which having an output impedance and configured to receive a respective one of the output signals from the transformer; and
switch modules each of which comprising a transistor and connected to an output of one of the impedance transformation modules, wherein the transistor has an input impedance and outputs an amplified signal, andwherein each of the output impedances is mismatched relative to a respective one of the input impedances.
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Abstract
A power amplifier includes an input module. The input module includes a transformer and is configured to receive a radio frequency signal and generate output signals. Impedance transformation modules each of which having an output impedance and configured to receive a respective one of the output signals from the transformer. Switch modules each of which comprising a transistor and connected to an output of one of the impedance transformation modules. The transistor has an input impedance and outputs an amplified signal. Each of the output impedances is mismatched relative to a respective one of the input impedances.
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Citations
20 Claims
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1. A power amplifier comprising:
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a first input module comprising a transformer and configured to receive a first radio frequency signal and generate output signals; impedance transformation modules each of which having an output impedance and configured to receive a respective one of the output signals from the transformer; and switch modules each of which comprising a transistor and connected to an output of one of the impedance transformation modules, wherein the transistor has an input impedance and outputs an amplified signal, and wherein each of the output impedances is mismatched relative to a respective one of the input impedances. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A power amplifier comprising:
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an input module comprising a transformer and configured to receive a first radio frequency signal, wherein the transformer comprises a first end configured to output a first output signal based on the first radio frequency signal, and a second end configured to output a second output signal based on the first radio frequency signal; a first capacitance in series with the first end and having a first output impedance; a second capacitance in series with the second end and having a second output impedance; a first transistor comprising a control terminal connected to the first capacitance, having a first input impedance, and outputting a first amplified signal, wherein the first input impedance does not match the first output impedance; and a second transistor comprising a control terminal connected to the second capacitance, having a second input impedance, and outputting a second amplified signal, wherein the second input impedance does not match the second output impedance. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification