Cellular Network Low Noise Amplifier Diplexer Signal Combining
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional cellular network amplifiers are limited in amplifying mobile telephone signals across multiple frequency bands, often requiring separate amplifiers for each band, which increases manufacturing costs, weight, and noise levels.
Innovation Solution
A power amplification circuit using a first diplexer to combine signals from different frequency bands, which are then amplified by a single low noise amplifier and separated by a second diplexer, allowing for simultaneous amplification of multiple frequency bands without the need for multiple amplifiers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate amplifier circuits are used for each frequency band, then each frequency band can be amplified independently, but manufacturing costs and device complexity increase
Solution Approach 1:
The patent combines multiple frequency band amplification functions into a single amplifier circuit by using a diplexer to combine signals from different frequency bands (first signal at first frequency and second signal at second frequency) into one combined signal that is then amplified by a single low noise amplifier. This merging approach eliminates the need for separate amplifier circuits for each frequency band, thereby reducing device complexity and manufacturing costs while maintaining amplification reliability.
Solution Approach 2:
The single low noise amplifier is designed to amplify signals across multiple frequency bands simultaneously. The diplexer configuration enables the amplifier to handle both the first frequency band and second frequency band through a universal amplification mechanism, making the amplifier multi-functional rather than requiring dedicated amplifiers for each band.
2Adaptability or versatility
If multiple separate amplifiers are used for different frequency bands, then comprehensive frequency coverage is achieved, but weight and size increase
Solution Approach 1:
The patent merges multiple frequency band handling capabilities into a single amplifier system. The diplexer combines signals from different frequency bands into one stream that passes through a single low noise amplifier, eliminating the need for multiple separate amplifier units and thereby reducing the overall weight of the amplification system.
Solution Approach 2:
The single low noise amplifier is configured to provide universal amplification across multiple frequency bands through the diplexer architecture. This multi-functional approach allows one amplifier to replace what would traditionally require multiple amplifiers, significantly reducing system weight while maintaining comprehensive frequency coverage.
3Reliability
If multiple separate amplifiers are used for different frequency bands, then each band is amplified independently, but noise levels increase
Solution Approach 1:
The patent combines signals from different frequency bands into a single combined signal before amplification. This merging approach allows a single low noise amplifier to amplify all frequency bands simultaneously, avoiding the cumulative noise that would result from using multiple separate amplifiers. The single amplification path reduces overall noise levels while maintaining signal quality.
4Manufacturing precision
If separate amplifiers are used for each frequency band, then precise frequency-specific amplification is achieved, but manufacturing costs increase
Solution Approach 1:
The patent merges multiple frequency band amplification functions into a single amplifier circuit with diplexer-based signal combining. This approach reduces the total number of amplifier units required, thereby lowering manufacturing costs. The diplexer ensures that each frequency band is still properly directed and amplified with appropriate precision, maintaining manufacturing precision while improving ease of manufacture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces manufacturing costs and noise levels by enabling the amplification of multiple frequency bands using a single low noise amplifier, improving signal quality and coverage.
Implementation Method 1
A first diplexer receives a first signal at a first frequency and a second signal at a second frequency and combines the first and second signals into a combined signal
Implementation Method 2
The combined signal is amplified by a single low noise amplifier to generate an amplified combined signal
Implementation Method 3
A second diplexer receives the amplified combined signal and separates the amplified combined signal into a first amplified signal at the first frequency and a second amplified signal at the second frequency
Data Source
AI summary
An amplification circuit that enables a network amplifier to amplify multiple mobile telephone signals transmitted at different frequencies. The amplification circuit includes a first diplexer which receives a first signal having a first frequency band and a second signal having a second frequency band. The first diplexer generates a combined signal containing both the first and the second signals. The combined signal is amplified by a single low noise amplifier to generate an amplified combined signal. A second diplexer receives the amplified combined signal and separates the amplified combined signal into a first amplified signal having the first frequency band and a second amplified signal having the second frequency band. The resultant signals can then be transmitted by the network amplifier to a target destination, such as a handset or base station.