Harmonic Processing Circuit With Integrated Feeder-Line Impedance Control
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Solution Overview
Problem
The existing harmonic processing circuits face challenges in miniaturization due to the size requirements of open stubs, and they struggle to adjust the load impedance at harmonic frequencies effectively, leading to difficulties in performing appropriate harmonic processing.
Innovation Solution
A harmonic processing circuit is designed with a feeder line connected to a fundamental wave matching circuit, which allows for the integration of a harmonic processing unit. This configuration enables adjustment of the impedance at harmonic frequencies to avoid short-circuiting, allowing for effective harmonic processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an open stub is used for harmonic processing, then the impedance at harmonic frequency can be adjusted, but the circuit size increases and miniaturization becomes difficult
Solution Approach 1:
The patent combines the harmonic processing function with the existing fundamental wave matching circuit by integrating a harmonic processing unit into the feeder line that is already part of the matching circuit structure. This merging approach allows the same circuit structure to serve dual purposes: fundamental wave matching and harmonic processing, thereby achieving miniaturization without sacrificing harmonic processing capability
Solution Approach 2:
The feeder line in the fundamental wave matching circuit is designed to serve multiple functions: it acts as both the matching circuit for fundamental waves and as the harmonic processing unit for harmonic frequencies. By making the circuit multi-functional, the patent eliminates the need for separate dedicated harmonic processing components, thus reducing overall circuit size while maintaining effective harmonic processing
2Use of energy by moving object
If a harmonic processing circuit is added to the feeder line, then power efficiency can be improved, but the device complexity increases
Solution Approach 1:
The patent merges the harmonic processing unit with the existing fundamental wave matching circuit structure, specifically integrating it into the feeder line. This combination approach allows the circuit to perform both fundamental wave matching and harmonic processing functions within a unified structure, thereby improving power efficiency without significantly increasing device complexity
Solution Approach 2:
The feeder line is designed to be multi-functional, serving as both the fundamental wave matching circuit and the harmonic processing unit. This universal design enables the same circuit element to handle multiple frequency components (fundamental and harmonic), improving overall power efficiency while avoiding the complexity increase that would result from adding separate dedicated circuits for each function
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
The proposed configuration allows for appropriate harmonic processing by enabling the adjustment of load impedance at harmonic frequencies, thereby improving the power efficiency and miniaturization of the harmonic processing circuit.
Implementation Method 1
a fundamental wave matching circuit that is connected to the amplifying device and performs matching at a fundamental wave frequency of the signal
Implementation Method 2
configured to perform harmonic processing at a harmonic frequency of a signal outputted from the amplifying device
Data Source
AI summary
A harmonic processing circuit includes: a feeder line configured to feed power to an amplifying device; and a harmonic processing unit connected to the feeder line, and configured to perform harmonic processing to a harmonic of a signal outputted from the amplifying device. The feeder line is connected to a fundamental wave matching circuit that is connected to the amplifying device and performs matching with respect to a fundamental wave of the signal.