Traditional wideband LNAs suffer from high noise figures and poor linearity, which are exacerbated by the use of baluns or inductors. These components consume significant power and degrade performance, especially in sub-GHz IoT applications requiring low power consumption and high efficiency.
The patent describes an inductor-less Low-Noise Amplifier (LNA) designed for low power, wideband applications, incorporating dual-stage noise cancellation and linearity modes. The LNA features complementary common gate (CG) and common source (CS) transistors, a feedback manager, and a buffer manager to improve noise performance and signal integrity without using external inductors.
- Inductorless Design: Eliminates the need for inductors, reducing on-chip area and losses.
- Dual-Stage Noise Cancellation: Utilizes both CG and CS stages to enhance noise performance.
- Complementary Transistors: Uses both pMOS and nMOS transistors in CG and CS stages for balanced performance.
- Feedback Manager: Incorporates feedback transistors to generate a feedback signal, enhancing noise cancellation and linearity.
- Buffer Manager: Combines in-phase and out-of-phase signals to generate differential output signals, improving signal integrity.
- Low Power Consumption: Optimized for low power use, suitable for IoT applications.
- High Noise Cancellation: Dual-stage noise cancellation mechanism significantly reduces noise figures.
- Enhanced Linearity: Improved linearity performance without the use of inductors, ensuring better signal quality.
- Compact Design: Inductorless approach saves chip area and simplifies integration into RF receiver chains.
The LNA comprises a CG stage with complementary transistors, a CS stage with complementary transistors, a feedback manager for noise cancellation, and a buffer manager for signal output. The prototype would include capacitors for partial noise cancellation and the configuration to ensure complete noise cancellation through differential output.
The simulations of the proposed system has been completed successfully.
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The technology provides efficient, low-power solutions for IoT and wireless communication, enabling longer battery life and more reliable performance in devices. This contributes to the advancement of smart technologies and connected devices, improving everyday life and promoting sustainable technology usage.
The Telecommunication sector and industries involving IoT (Internet of Things)
- RF Receivers: Suitable for low-power RF receiver applications.
- Telecommunications: Can be used in various telecommunication devices requiring efficient signal amplification.
- Internet of Things (IoT): Particularly in sub-GHz wireless bands.
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