Murata manufacturing co., ltd. (20240250643). DOHERTY AMPLIFIER simplified abstract
Contents
DOHERTY AMPLIFIER
Organization Name
murata manufacturing co., ltd.
Inventor(s)
DOHERTY AMPLIFIER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240250643 titled 'DOHERTY AMPLIFIER
Simplified Explanation:
The patent application describes a Doherty amplifier that consists of a carrier amplifier and a peak amplifier on a semiconductor substrate, with different bias currents inputted to each stage.
- The Doherty amplifier includes a carrier amplifier with one or more stages, receiving a first bias current.
- A peak amplifier is also present, with two or more stages and a smaller second bias current inputted.
- A first resistor is inserted in series into the power supply path to the peak amplifier.
Key Features and Innovation:
- Utilization of a carrier amplifier and a peak amplifier in a Doherty amplifier configuration.
- Differential bias currents applied to the carrier and peak amplifiers for optimized performance.
- Inclusion of a resistor in the power supply path to enhance the overall efficiency of the amplifier.
Potential Applications:
The technology can be applied in:
- Wireless communication systems
- Radar systems
- Satellite communication systems
Problems Solved:
- Improved efficiency in power amplification
- Enhanced signal quality in communication systems
- Reduction of power consumption in electronic devices
Benefits:
- Increased overall efficiency
- Enhanced signal fidelity
- Reduced power consumption
Commercial Applications:
Potential commercial applications include:
- Telecommunications industry
- Defense sector
- Consumer electronics market
Questions about Doherty Amplifiers:
1. How do Doherty amplifiers compare to traditional amplifiers in terms of efficiency and performance?
Doherty amplifiers offer higher efficiency and improved performance compared to traditional amplifiers by utilizing carrier and peak amplifiers with different bias currents.
2. What are the key advantages of using a Doherty amplifier in wireless communication systems?
Doherty amplifiers provide increased efficiency, reduced power consumption, and enhanced signal quality in wireless communication systems, making them ideal for high-performance applications.
Original Abstract Submitted
a doherty amplifier includes: a carrier amplifier that is formed on a semiconductor substrate and that includes amplifiers in one or more stages including a first amplifier in one stage to which a first bias current is inputted; a peak amplifier that is formed on the semiconductor substrate and that includes amplifiers in two or more stages including a second amplifier to which a second bias current smaller than the first bias current is inputted; and a first resistor that is inserted in series into a power supply path to the second amplifier.
