GaAs MESFET双栅混频器与有源滤波器设计的ku波段应用

1999 IEEE Radio Frequency Integrated Circuits Symposium (Cat No.99CH37001) Pub Date : 1900-01-01 DOI:10.1109/RFIC.1999.805271

Chang-Ho Lee, Sangwoo Han, J. Laskar

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引用次数: 2

摘要

我们设计了一种有源滤波器来抑制ku波段(12/spl sim/18 GHz)上变频混频器的LO噪声、杂散和谐波。当与双门混频器结合使用时，该滤波器可以取代对具有相当性能的平衡拓扑的需求。转换损耗和谐波抑制分别提高了15 dB以上和20 dB以上。这种滤波器比广泛使用的平衡拓扑结构更紧凑、更灵活。

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GaAs MESFET dual-gate mixer with active filter design for Ku-band applications

We present the design of an active filter to suppress the LO noise, spurious and harmonics of an upconversion mixer for Ku-band (12/spl sim/18 GHz) applications. This filter, when combined with the dual-gate mixer, can replace the need for a balanced topology with comparable performance. The conversion loss and harmonics suppression are improved by more than 15 dB and 20 dB, respectively. Such a filter is more compact and flexible than the widely used balanced topology.

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1999 IEEE Radio Frequency Integrated Circuits Symposium (Cat No.99CH37001)

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