A Double-balance Active Mixer with Carrier Leakage Calibration Circuit in 65-nm CMOS Technology

He, Chao; Li, Caihong; Ma, Wenying

doi:10.1109/jcice59059.2023.00027

2023 2nd International Joint Conference on Information and Communication Engineering (JCICE) 2023

DOI: 10.1109/jcice59059.2023.00027

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A Double-balance Active Mixer with Carrier Leakage Calibration Circuit in 65-nm CMOS Technology

Chao He,

Caihong Li,

Wenying Ma

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2024

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Design of a pHEMT RF mixer based on compact microstrip diplexer

Ali

2024

Int. J. Microw. Wireless Technol.

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This paper presents a new topology for a microwave active mixer using compact microstrip diplexer constituted from two dual-mode open loop resonators. The resonators are tuned to the radio frequency (RF) and local-oscillator (LO) frequencies, respectively, to effectively isolate the two input signals, while the diplexer output port is connected to the gate circuit of a commercial low cost GaAs pHEMT transistor. The drain circuit of the active device is connected to the load via an intermediate-frequency (IF)-modified Chebyshev low-pass filter to remove the unwanted RF and LO signals and reduce other spurious frequencies at the output of the mixer circuit. The circuit has been designed and constructed for an RF of 850 MHz, LO frequency of 1050 MHz, and an IF of 200 MHz. Experimental measurements show that the circuit provides a conversion gain of 18 dB at LO drive power of +2 dBm. It also operates satisfactorily over the RF range from 800 to 900 MHz with good image frequency rejection and stable operation.

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Design of a pHEMT RF mixer based on compact microstrip diplexer

Ali

2024

Int. J. Microw. Wireless Technol.

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A Double-balance Active Mixer with Carrier Leakage Calibration Circuit in 65-nm CMOS Technology

Cited by 1 publication

References 7 publications

Design of a pHEMT RF mixer based on compact microstrip diplexer

Design of a pHEMT RF mixer based on compact microstrip diplexer

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