17815678. NOISE FILTERING CIRCUIT, D/A CONVERTER, AND ELECTRONIC DEVICE INCLUDING THE SAME simplified abstract (Samsung Electronics Co., Ltd.)
NOISE FILTERING CIRCUIT, D/A CONVERTER, AND ELECTRONIC DEVICE INCLUDING THE SAME
Organization Name
Inventor(s)
Moo Yeol Choi of Seongnam-si (KR)
Young Hyun Yoon of Gwangmyeong-si (KR)
Hyun Sun Shim of Seongnam-si (KR)
Myung-Jin Lee of Suwon-si (KR)
NOISE FILTERING CIRCUIT, D/A CONVERTER, AND ELECTRONIC DEVICE INCLUDING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 17815678 titled 'NOISE FILTERING CIRCUIT, D/A CONVERTER, AND ELECTRONIC DEVICE INCLUDING THE SAME
Simplified Explanation
The abstract describes a noise filtering circuit, a digital to analog converter, and an electronic device. The noise filtering circuit includes a first amplifier, a first transistor, a first capacitor, a second capacitor, a second transistor, and a second amplifier.
- The first amplifier receives a bias voltage and a bias output voltage, and compensates for any difference between them.
- The first transistor is connected to the output of the first amplifier and has an off-voltage applied to its gate.
- The first capacitor is connected to the first transistor.
- The second capacitor is connected to the output of the first amplifier.
- The second transistor is connected to the second capacitor and has an off-voltage applied to its gate.
- The second amplifier has an input terminal connected to the first capacitor and a second input terminal connected to the second transistor.
Potential applications of this technology:
- Noise filtering in electronic devices such as audio systems, communication devices, and medical equipment.
- Digital to analog conversion in various applications, including audio and video playback devices.
Problems solved by this technology:
- Reduction of noise interference in electronic circuits, leading to improved signal quality.
- Accurate conversion of digital signals to analog signals, ensuring faithful reproduction of audio or video content.
Benefits of this technology:
- Improved audio and video quality due to effective noise filtering.
- Enhanced performance and reliability of electronic devices.
- Precise and accurate conversion of digital signals to analog signals.
Original Abstract Submitted
A noise filtering circuit, a digital to analog converter and an electronic device are provided. The noise filtering circuit comprises a first amplifier configured to receive a bias voltage at a first input terminal, receive a bias output voltage at a second input terminal though a feedback path, and compensate for a difference between the bias voltage and the bias output voltage; a first transistor connected to an output of the first amplifier and having a gate to which an off-voltage is applied; a first capacitor connected to the first transistor; a second capacitor connected to the output of the first amplifier; a second transistor connected to the second capacitor and having a gate to which an off-voltage is applied, and a second amplifier having an input terminal connected to the first capacitor and a second input terminal connected to the second transistor.
