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Article Dans Une Revue IEEE Microwave and Wireless Components Letters Année : 2022

Dual-Mode RF Mixer for Low-Power Direct-Conversion Receiver

Résumé

In this work, a dual-mode (DM) radio frequency (RF) mixer is studied and validated over the K -band to meet the ultralow-power requirement of direct-conversion receiver architectures. The proposed RF mixer combines two operation modes, namely, RF energy harvesting mode and RF mixing mode, which are implemented within a single passive multiport interferometric circuit. This approach aims at harvesting part of the RF energy for powering specific low-power active devices toward the energy autonomy of RF receiver systems. For this proof-of-concept study, a circuit is prototyped and tested. The experimental results show promising performance. Inter-port isolation better than 20 dB is achieved over a frequency range of 22–26 GHz, together with good RF-to-dc conversion efficiency (up to 45% with RF input power of 40 mW), and appreciable RF mixer conversion loss over a wideband (average 12.8 dB).
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Dates et versions

hal-04423375 , version 1 (29-01-2024)

Identifiants

Citer

C. Hannachi, K. Wu. Dual-Mode RF Mixer for Low-Power Direct-Conversion Receiver. IEEE Microwave and Wireless Components Letters, 2022, 32 (6), pp.583-586. ⟨10.1109/LMWC.2022.3147432⟩. ⟨hal-04423375⟩
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