Amplitude limiter chip with out-of-band rejection

• Main Authors: LING ZHIJIAN, WANG WEIBO, YAN JUNDA, YANG JIN
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• Subjects: BASIC ELECTRONIC CIRCUITRY; CONTROL OF AMPLIFICATION; ELECTRICITY; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

The invention relates to the technical field of microwave power amplitude limiter circuits, and provides an out-of-band rejection amplitude limiter chip, which comprises a substrate, and an input end (100), an output end (200), a filtering structure (300), an amplitude limiter (400) and a matching circuit (500) which are arranged on the substrate, the input end (100), the output end (200), the filtering structure (300) and the amplitude limiter (400) are connected through the matching circuit (500), and the input end (100) and the output end (200) are connected to the two ends of the matching circuit (500) respectively. By adopting the chip, the good out-of-band rejection performance can be realized on the premise of ensuring the signal in-band transmission performance of the amplitude limiter. 本发明涉及微波功率限幅器电路技术领域，提供了一种带外抑制的限幅器芯片，包括：衬底，以及设置在所述衬底上的输入端(100)、输出端(200)、滤波结构(300)、限幅器(400)和匹配电路(500)；所述输入端(100)、所述输出端(200)、所述滤波结构(300)和所述限幅器(400)通过所述匹配电路(500)连接，所述输入端(100)和所述输出端(200)分别连接在所述匹配电路(500)的两端。采用本芯片能够在保证限幅器信号带内传