17457840. RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT simplified abstract (QUALCOMM Incorporated)
Contents
RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT
Organization Name
Inventor(s)
Xingyi Hua of San Diego CA (US)
RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT - A simplified explanation of the abstract
This abstract first appeared for US patent application 17457840 titled 'RIPPLE CANCELLATION FOR SWITCHED-CAPACITOR CIRCUIT
Simplified Explanation
The patent application describes a system that includes a voltage line, a switched-capacitor circuit, and a ripple-cancellation circuit. The ripple-cancellation circuit consists of a current mirror, a switching circuit, and a capacitor.
- The system includes a voltage line, a switched-capacitor circuit, and a ripple-cancellation circuit.
- The ripple-cancellation circuit includes a current mirror with two branches, where the second branch is connected to the voltage line.
- The circuit also includes a switching circuit with three terminals, where the first terminal is connected to the first branch of the current mirror and the third terminal is connected to ground or a reference voltage.
- Additionally, a capacitor is connected to the second terminal of the switching circuit.
Potential applications of this technology:
- Power supply systems
- Voltage regulation circuits
- Electronic devices with high-frequency noise reduction requirements
Problems solved by this technology:
- Reduction of ripple voltage in power supply systems
- Minimization of high-frequency noise in voltage regulation circuits
Benefits of this technology:
- Improved performance and stability of power supply systems
- Enhanced noise reduction capabilities in voltage regulation circuits
Original Abstract Submitted
In certain aspects, a system includes a voltage line, a switched-capacitor circuit coupled to the voltage line, and a ripple-cancellation circuit. The ripple-cancellation circuit includes a current mirror having a first branch and a second branch, wherein the second branch of the current mirror is coupled to the voltage line, a switching circuit having a first terminal, a second terminal, and a third terminal, wherein the first terminal of the switching circuit is coupled to the first branch of the current mirror, and the third terminal is coupled to a ground or a reference voltage, and a first capacitor coupled to the second terminal of the switching circuit.