18403131. POWER AMPLIFIER CIRCUIT simplified abstract (Murata Manufacturing Co., Ltd.)
Contents
POWER AMPLIFIER CIRCUIT
Organization Name
Murata Manufacturing Co., Ltd.
Inventor(s)
POWER AMPLIFIER CIRCUIT - A simplified explanation of the abstract
This abstract first appeared for US patent application 18403131 titled 'POWER AMPLIFIER CIRCUIT
The power amplifier circuit described in the abstract consists of a first amplifier, a second amplifier, and an impedance inverter that delays the output of the first amplifier by a time equivalent to ¼ of a wavelength of a transmission line.
- The impedance inverter includes multiple unit circuits, each composed of an inductor and a capacitor, connected in series on the output side of the first amplifier.
- Elements within each unit circuit are connected in series with elements from adjacent unit circuits, creating a cascade connection.
- Another element within each unit circuit is connected between one end of the same unit circuit's element, enhancing the impedance inversion process.
Potential Applications: - This technology can be applied in high-frequency communication systems. - It can be utilized in radar systems and satellite communication for signal amplification.
Problems Solved: - Provides efficient power amplification with impedance inversion for improved signal quality. - Helps in reducing signal distortion and noise in communication systems.
Benefits: - Enhanced signal amplification and transmission quality. - Improved efficiency in high-frequency communication systems. - Reduction in signal distortion and noise levels.
Commercial Applications: Title: High-Frequency Communication Power Amplifier Circuit This technology can be commercialized for use in telecommunications equipment, radar systems, satellite communication devices, and other high-frequency communication applications. The improved signal quality and efficiency offered by this power amplifier circuit can benefit companies in the telecommunications and defense industries.
Questions about the High-Frequency Communication Power Amplifier Circuit: 1. How does the impedance inverter in the power amplifier circuit contribute to signal quality improvement? 2. What are the specific advantages of using this power amplifier circuit in radar systems and satellite communication devices?
Original Abstract Submitted
A power amplifier circuit includes: a first amplifier; a second amplifier; and an impedance inverter that delays an output of the first amplifier by a time equivalent to ¼ of a wavelength of a transmission line, and combines the output of the first amplifier delayed by the impedance inverter and an output of the second amplifier and outputs a combined output. The impedance inverter includes a plurality of unit circuits each constituted by an inductor and a capacitor, the plurality of unit circuits are cascade-connected to an output side of the first amplifier, an element included in each unit circuit of the plurality of unit circuits is connected in series to the element of an adjacent unit circuit, and another element included in each unit circuit of the plurality of unit circuits is connected between one end of the element of the same unit circuit.
