ID |
原文 |
译文 |
41896 |
基于 GaAs 单片微波集成电路 ( MMIC) 工艺设计并制备了一款宽带射频前端多功能电路芯片,其包含功率放大器、限幅低噪声放大器 ( LNA) 和收发开关。 |
Based on the GaAs monolithic microwave integrated circuit (MMIC) process, a broadband RF front-end multifunctional circuit chip which contained a power amplifier, a limiting low noise amplifier (LNA) and transmitting and receiving switches was designed and prepared. |
41897 |
功率放大器采用平衡式结构同时选择合适的匹配网络实现宽带匹配; |
The poweramplifier adopted a balanced structure and selected a suitable matching network to realize broadbandmatching. |
41898 |
限幅器第一级采用功分结构提高耐功率能力; |
The first stage of the limiter adopted a power division structure to improve the power withstandcapability. |
41899 |
LNA 前三级采用电流复用拓扑结构实现低功耗,最后一级采用自偏置结构增加动态范围; |
The first three stages of the LNA adopted a current multiplexing topological structure toachieve low power consumption, and the last stage used a self-biased structure to increase dynamicrange. |
41900 |
天线端的开关具有较高的功率容量,保证信号经过开关后不会压缩而导致发射支路输出功率不足。 |
The switch at the antenna end had the higher power capacity, which ensured that the switchwould not cause insufficient output power due to the signal compression. |
41901 |
测试结果显示,电路在 6~18 GHz 频带内,接收支路噪声系数典型值为 3. 7 dB,增益约为 27 dB,1 dB压缩点输出功率典型值大于 7 dBm,功耗约为 140 mW,能耐受 1 W 的连续波输入功率; |
The test results show that at 6-18 GHz, the receiving branch has a typical noise figure of 3.7 dB, a gain of about 27 dB, a typicaloutput power at 1 dB compression point of more than 7 dBm, a power consumption of about 140 mW, and it can withstand 1 W continuous wave input power. |
41902 |
发射支路饱和输出功率大于30 dBm,功率附加效率典型值为 26%。 |
The transmitting branch has a saturation outputpower of more than 30 dBm, and a typical power added efficiency of 26%. |
41903 |
基于三维集成技术研制了一款适用于表面贴装技术的 Ku 波段四通道 T /R 模块。 |
Based on 3D integration technology, a Ku-band four-channel T /R module suitable forsurface mounted technology was developed. |
41904 |
模块内部设计成两层层叠结构,层间使用球栅阵列实现互连, |
The internal design of the module was a two-layer laminatedstructure, and the ball grid array was used to realize the interconnection between the layers. |
41905 |
仿真分析模块微波垂直互连结构、腔体谐振和散热模型,实现模块的小型化。 |
The microwave vertical interconnection structure, cavity resonance and heat dissipation model of the module were simulated and analyzed to realize the miniaturization of the module. |