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US 12,424,993 B2Granted
Amplifier and amplification method
AssigneeSony Semiconductor Solutions Corporation
InventorKonstantinos Mimis
Life of this patent
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Abstract
An amplifier (300) comprising: a first signal path comprising first amplifier circuitry (105A) configured to receive a first signal (RF1) with a frequency and a variable phase and amplitude at the frequency; a second signal path comprising second amplifier circuitry (105B) configured to receive a second signal (RF2) with the frequency, wherein at least one of the relative phase and amplitude of the second signal is fixed at the frequency; combiner circuitry (106) configured to combine an output of the first amplifier circuitry and the second amplifier circuitry.
Claims15
An amplifier comprising:
- a first signal path comprising first amplifier circuitry configured to receive a first signal with a frequency and a variable phase and amplitude at the frequency;
- a second signal path comprising second amplifier circuitry configured to receive a second signal with the frequency, wherein at least one of a relative phase and amplitude of the second signal is fixed at the frequency;
- combiner circuitry configured to combine an output of the first amplifier circuitry and the second amplifier circuitry;
- wherein the first and second signals are obtained by splitting a single input signal;
- the phase and amplitude of the first signal at the frequency is variable using a complex non-linear drive function;
- the phase and amplitude of the first signal is variable at the frequency before splitting the single input signal;
- the second signal path has a phase delay to fix the relative phase of the second signal at the frequency;
- and
- the second signal path comprises third amplifier circuitry followed by an amplitude limiter to fix the amplitude of the second signal at the frequency.
6 more elements
An amplifier comprising:
- a first signal path comprising first amplifier circuitry configured to receive a first signal with a frequency and a variable phase and amplitude at the frequency;
- a second signal path comprising second amplifier circuitry configured to receive a second signal with the frequency, wherein at least one of the relative phase and amplitude of the second signal is fixed at the frequency;
- combiner circuitry configured to combine an output of the first amplifier circuitry and the second amplifier circuitry
- wherein the first and second signals are obtained by splitting a single input signal;
- the phase and amplitude of the first signal at the frequency is variable using a complex non-linear drive function
- the phase and amplitude of the first signal is variable at the frequency after splitting the single input signal;
- and
- only one of the relative phase and amplitude of the second signal is variable at the frequency after splitting the input signal using a real non-linear drive function.
5 more elements
An amplification method comprising:
- splitting a single input signal into a first signal path and a second signal path;
- receiving, by first amplifier circuitry of the first signal path, a first signal with a frequency and a variable phase and amplitude at the frequency;
- using a complex non-linear drive function to vary the phase and amplitude of the first signal at the frequency:
- wherein the phase and amplitude of the first signal is variable at the frequency before splitting the single input signal;
- receiving, by second amplifier circuitry of the second signal path, a second signal with the frequency, wherein at least one of a relative phase and amplitude of the second signal is fixed at the frequency;
- fixing the relative phase of the second signal at the frequency using a phase delay on the second signal path;
- fixing the amplitude of the second signal, by third amplifier circuitry followed by an amplitude limiter in the second signal path, at the frequency and
- combining an output of the first amplifier circuitry and the second amplifier circuitry.
5 more elements
Dependencies are inferred from the claim text.