18182275. Radio-frequency Amplifier with Large Signal Protection simplified abstract (Apple Inc.)
Radio-frequency Amplifier with Large Signal Protection
Organization Name
Inventor(s)
Mohamed Abouzied of La Jolla CA (US)
Radio-frequency Amplifier with Large Signal Protection - A simplified explanation of the abstract
This abstract first appeared for US patent application 18182275 titled 'Radio-frequency Amplifier with Large Signal Protection
The abstract describes a wireless circuitry system that includes a radio-frequency amplifier, a power detection circuit, protection circuitry, and a control circuit to adjust the amplifier based on power detection and protection voltages.
- The protection circuitry includes a current mirroring circuit and an adjustable current-to-voltage converter to generate the protection voltage.
- The control circuit can adjust the radio-frequency amplifier by tuning supply or bias voltages to reduce amplifier gain and prevent signal damage.
- The innovation proactively prevents the amplifier from outputting signals with large swings that could potentially damage the wireless circuitry.
Potential Applications: - This technology can be used in wireless communication systems, IoT devices, and other electronic devices requiring power management and protection.
Problems Solved: - Prevents potential damage to wireless circuitry by adjusting amplifier settings based on power detection and protection voltages.
Benefits: - Enhances the reliability and longevity of wireless circuitry systems by proactively managing power output. - Reduces the risk of signal damage and improves overall performance.
Commercial Applications: - This technology can be applied in the telecommunications industry, consumer electronics, and IoT devices to improve power management and protect sensitive components.
Questions about the technology: 1. How does the control circuit adjust the radio-frequency amplifier to prevent signal damage? - The control circuit tunes supply or bias voltages to reduce amplifier gain and prevent large signal swings. 2. What are the potential applications of this technology beyond wireless circuitry systems? - This technology can be utilized in various electronic devices requiring power management and protection.
Original Abstract Submitted
Wireless circuitry can include a radio-frequency amplifier, a power detection circuit coupled to an output of the radio-frequency amplifier and configured to output a power detection voltage, protection circuitry coupled to the power detection circuit and configured to output a protection voltage, and a control circuit configured to adjust the amplifier based on the power detection voltage and the protection voltage. The protection circuitry can include a current mirroring circuit that outputs a current proportional to a supply current of the power detection circuit and an adjustable current-to-voltage converter such as an adjustable resistor that receives the current to generate the protection voltage. The control circuit can adjust the radio-frequency amplifier by tuning a supply voltage or a bias voltage of the radio-frequency amplifier to reduce the gain of the radio-frequency amplifier, thereby proactively preventing the amplifier from outputting signals with large swings that can potentially damage the wireless circuitry.
