宽带平衡到平衡过功率分离器使用HMSIW-SSPP传输线路
1School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China.
Micromachines
|March 28, 2024
概括
本研究介绍了一种使用混合输电线路的新型宽带平衡到平衡过功率分隔器 (FPD). 新设计实现了宽带宽和更好的隔离,并通过原型验证.
科学领域:
- 电磁学和波浪传播
- 微波工程 微波工程
- 超材料和等离子材料.
背景情况:
- 基板集成波导 (SIW) 技术对于微型微波电路至关重要.
- 伪造表面等离子极子子 (SSPPs) 在较低频率提供独特的波导特性.
- 结合SIW和SSPP的混合输电线路提供了更高的性能.
研究的目的:
- 提出一种具有较低上切线频率的新型半模式基质集成波导和欺骗表面等离子体极子 (HMSIW-SSPP) 单元电池.
- 设计和验证基于新的单元电池的宽带平衡到平衡 (BTB) 过功率分隔器 (FPD).
- 在FPD中增强差分模式隔离和常态 (CM) 抑制.
主要方法:
- 一个新的HMSIW-SSPP单元单元的设计.
- 使用双层堆叠基板开发一个带宽BTB FPD.
- 结合隔离电阻和有缺陷的地面结构.
- 制造和FPD原型的实验验证.
主要成果:
- 拟议的HMSIW-SSPP单元细胞表现出较低的上限切断频率.
- 开发的BTB FPD显示了52.31% (6.72-11.48 GHz) 的宽带宽.
- 在FPD实现输出端口隔离超过14.25dB和传输CM抑制超过34.05dB.
结论:
- 新的HMSIW-SSPP单元细胞可以提高FPD性能.
- 拟议的BTB FPD设计提供了对切断频率的独立控制和增强的隔离.
- 经过验证的原型证实了设计用于宽带过功率划分应用的有效性.
相关概念视频
Boundary Conditions: Lossless Lines
93
Consider a single-phase, two-wire, lossless transmission line terminated by an impedance at the receiving end and a source with Thevenin voltage and impedance at the sending end. The line, with length, has a surge impedance and wave velocity determined by the line's inductance and capacitance.
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
93
Lossless Lines
124
In electrical engineering, a lossless transmission line is characterized by a purely imaginary propagation constant and a resistive characteristic impedance. The ABCD parameters, which describe the relationship between the input and output voltages and currents, indicate an equivalent π circuit with an imaginary series impedance and a shunt admittance. This results in a transmission line that, when the product of the phase constant (beta) and the length of the line is less than pi,...
124
Transmission Line Design Considerations
133
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
133
Bewley Lattice Diagram
634
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
634
Maximum Power Flow and Line Loadability
107
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
107
Transmission-Line Differential Equations
286
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
286


