Apple inc. (20240372511). FEEDBACK-TUNING BASED VARIABLE GAIN AMPLIFIER simplified abstract
Contents
FEEDBACK-TUNING BASED VARIABLE GAIN AMPLIFIER
Organization Name
Inventor(s)
Hongrui Wang of San Jose CA (US)
Reetika K Agarwal of San Jose CA (US)
James Mawdsley of Costa Mesa CA (US)
Abbas Komijani of Mountain View CA (US)
FEEDBACK-TUNING BASED VARIABLE GAIN AMPLIFIER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240372511 titled 'FEEDBACK-TUNING BASED VARIABLE GAIN AMPLIFIER
The patent application is for an amplifier with improved linearity compared to other amplifiers. The amplifier includes degeneration inductors and a tunable degeneration resistor to generate amplified signals. These components form a resonant circuit to improve linearity at a desired frequency by reducing DC and harmonic components.
- The amplifier generates amplified signals with improved linearity at back-off output powers.
- The use of the tunable degeneration resistor and degeneration inductors allows for improved linearity across a range of output powers.
- The resonant circuit formed by the components helps reduce DC and harmonic components at the desired frequency.
- The amplifier can operate at peak output power and multiple back-off output powers with enhanced linearity.
- By utilizing the degeneration inductors and tunable degeneration resistor, the amplifier achieves improved linearity in amplified signals.
Potential Applications: This technology can be applied in communication systems, radar systems, and other RF applications where linearity is crucial.
Problems Solved: The technology addresses the issue of linearity in amplifiers, particularly at different output power levels.
Benefits: Improved linearity in amplified signals, enhanced performance at various output power levels, and reduced distortion in RF applications.
Commercial Applications: Title: Enhanced Linearity Amplifier for RF Applications This technology can be utilized in telecommunications, satellite communications, and wireless networking equipment to improve signal quality and performance.
Questions about the technology: 1. How does the resonant circuit formed by the degeneration inductors and tunable degeneration resistor improve linearity in the amplifier? 2. What are the key advantages of using this amplifier in communication systems compared to traditional amplifiers?
Original Abstract Submitted
this disclosure is directed to an amplifier (e.g., a variable gain amplifier (vga)) with improved linearity compared to other amplifiers. the amplifier may include degeneration inductors and a tunable degeneration resistor to generate amplified signals. the degeneration inductors and the tunable degeneration resistor may form a resonant circuit to improve linearity of the amplified signal at a desired frequency by reducing direct current (dc) components and harmonic components of the amplified signal having the desired frequency. moreover, the amplifier may also generate the amplified signals with improved linearity at back-off output powers based on using the tunable degeneration resistor and the degeneration inductors. as such, the amplifier may include the degeneration inductors and the tunable degeneration resistor to generate the amplified signals having an output power across a range of output powers, such as a peak output power and one or multiple back-off output powers, with improved linearity.
