Samsung electro-mechanics co., ltd. (20240213934). POWER AMPLIFIER simplified abstract
Contents
POWER AMPLIFIER
Organization Name
samsung electro-mechanics co., ltd.
Inventor(s)
Youngwong Jang of Suwon-si (KR)
Jeonghoon Kim of Suwon-si (KR)
Shinichi Iizuka of Suwon-si (KR)
POWER AMPLIFIER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240213934 titled 'POWER AMPLIFIER
Simplified Explanation: The patent application describes a power amplifier with an overpower protection circuit to prevent damage to the power transistor.
- The power amplifier includes a power transistor that receives a power voltage.
- A first transistor provides bias current to the power transistor.
- An overpower protection circuit generates a first current based on the power voltage and supplies it to the first transistor.
- The overpower protection circuit includes a limiting current source that provides a limiting current to the first transistor.
- A sink current generating circuit, with a second transistor, sinks a second current from the limiting current.
Key Features and Innovation:
- Power amplifier with overpower protection circuit.
- First transistor providing bias current.
- Limiting current source and sink current generating circuit for protection.
Potential Applications:
- High-power audio amplifiers.
- RF transmitters.
- Radar systems.
Problems Solved:
- Prevents damage to power transistor from excessive power voltage.
- Ensures stable operation of the power amplifier.
Benefits:
- Increased reliability of power amplifiers.
- Protection against overpower conditions.
- Enhanced performance in high-power applications.
Commercial Applications: Power amplifiers with overpower protection can be used in industries such as telecommunications, broadcasting, and defense for high-power signal amplification needs.
Questions about Power Amplifiers with Overpower Protection: 1. How does the overpower protection circuit prevent damage to the power transistor? 2. What are the potential applications of power amplifiers with overpower protection?
Frequently Updated Research: Researchers are constantly exploring new ways to improve the efficiency and effectiveness of power amplifiers with advanced protection circuits. Stay updated on the latest developments in this field for cutting-edge applications.
Original Abstract Submitted
a power amplifier includes: a power transistor to receive a power voltage; a first transistor including a first terminal to provide a bias current to the power transistor; and an overpower protection circuit to generate a first current corresponding to the power voltage and to provide the first current to a second terminal of the first transistor. the overpower protection circuit includes: a limiting current source to provide a limiting current to the second terminal of the first transistor; and a sink current generating circuit including a second transistor that includes a control terminal to which a voltage corresponding to the power voltage is applied and a first terminal connected to the second terminal of the first transistor, and to sink a second current from the limiting current.
