JP2015231056A5 - - Google Patents

Claims (4)

A first signal and a second signal having different phases {θ ₁ , (θ ₁ + pπ / 3), (θ ₁ + 2pπ / 3)} (p is an integer excluding an integer multiple of 0 and 3) based on the input signal Signal generating means for generating a signal and a third signal;
Amplifying means for amplifying the first signal, the second signal, and the third signal under the same conditions to generate a first amplified signal, a second amplified signal, and a third amplified signal;
The phases of the first amplified signal, the second amplified signal, and the third amplified signal are changed to have the phases {(θ ₂ + 2pπ / 3), (θ ₂ + pπ / 3), θ ₂ }, respectively. Phase shifting means for generating one phase shifting signal, a second phase shifting signal, and a third phase shifting signal;
Combining means for combining the first phase shift signal, the second phase shift signal, and the third phase shift signal;
Equipped with a,
The signal generating means includes
A first phase shift circuit that changes the phase of the input signal and outputs two signals that are relatively different in phase by qπ / 2 (q is an integer other than 0);
The first phase shift circuit changes the phase of one of the two signals output, and outputs two signals that are relatively different in phase by qπ / 2 (q is an integer other than 0). Two phase shift circuits;
A delay circuit that generates the second signal and the third signal by delaying the signal output from the second phase shift circuit;
A power amplifying apparatus.   The delay circuit delays a signal based on the signal output from the first phase shift circuit by a first delay time to generate the second signal, and sets the phase of the signal output from the first phase shift circuit to qπ / A signal changed by 2 (q is an integer other than 0) is delayed by a second delay time different from the first delay time to generate the third signal;
  The power amplification device according to claim 1.   The delay circuit relatively compares the phase of the signal output from the first phase shift circuit with the second signal obtained by relatively changing the phase of the signal output by π / 6 and the phase of the signal output from the first phase shift circuit. Outputting the third signal changed by 5π / 6,
  The power amplification device according to claim 1 or 2.   The first phase shift circuit distributes the input signal at a power distribution ratio of 1: 2, thereby relatively shifting the phase of the first signal and the input signal to qπ / 2 (q is an integer excluding 0). ) Only the changed signal is output,
  The second phase shift circuit outputs the second signal and the third signal by distributing the signal output from the first phase shift circuit at a power distribution ratio of 1: 1.
  The power amplifying device according to any one of claims 1 to 3.