RF Power Module With Stacked Rectifiers for High-Voltage Efficiency
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Solution Overview
Problem
Existing RF power modules face challenges in achieving simultaneous high efficiency and power density, especially at high voltages (up to 30 kV) and lower power levels, which are necessary for millimeter wave to terahertz applications.
Innovation Solution
The integration of a high frequency switching electronic power conditioner with a millimeter wave to terahertz vacuum electronic device, utilizing stacked rectifier/filters and resonant inverter resonant rectifier converter topology, enables compact and efficient RF power module design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional electronic power conditioners operate at high voltage (up to 30 kV), then output voltage is achieved, but efficiency and power density become challenging to achieve simultaneously
Solution Approach 1:
The patent applies parameter changes by operating the electronic power conditioner at high frequency (greater than 1 MHz) switching levels, which transforms the traditional low-frequency operation parameters. This frequency parameter change enables simultaneous achievement of high efficiency (over 85%) and high power density by reducing passive component sizes and minimizing switching losses
Solution Approach 2:
The patent employs periodic action through high frequency switching operation (>1 MHz) of the power conditioner. This rapid periodic switching enables the system to achieve both high efficiency and high power density by allowing smaller passive components to function effectively at these elevated frequencies, thereby increasing power density while maintaining efficiency
2Power
If high frequency switching (>1 MHz) is used to increase power density, then compact size is achieved, but switching losses may increase
Solution Approach 1:
The patent applies parameter changes by optimizing the high frequency switching operation to achieve a balance where the frequency is elevated enough to enable compact size (greater than 1 MHz) but controlled to minimize switching losses. This parameter optimization allows the system to achieve high power density while maintaining acceptable efficiency levels
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 combination achieves high efficiency and compact size by reducing passive component values, minimizing switching losses, and optimizing collector energy recovery, thereby supporting high-resolution imaging and high-data-rate communications.
Implementation Method 1
High frequency switching electronic power conditioners offer a compact approach to achieve relatively high output voltages
Implementation Method 2
stacked rectifier/filters, the stacked rectifier/filters generating stacked DC output voltages
Implementation Method 3
a millimeter wave to terahertz vacuum electronic device
Implementation Method 4
Depressed collectors enable matching of electronic potentials of the spent electrons and as a result 'recovering' their kinetic energy back to the power supply rather than converting the kinetic energy to heat
Data Source
AI summary
A power module comprises a high frequency switching electronic power conditioner including stacked rectifier/filters, the stacked rectifier/filters generating stacked DC output voltages; and a vacuum electronic device coupled to the high frequency switching electronic power conditioner, the vacuum electronic device including components, each component receiving a respective DC output voltage of the stacked DC output voltages.