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Article Dans Une Revue International Journal of Electrical and Computer Engineering Année : 2023

High rejection self-oscillating up-conversion mixer for fifth-generation communications

Résumé

This paper presents the design of a pseudomorphic high electron mobility transistor (pHEMT) self-oscillating mixer (SOM) for millimeter wave wireless communication systems. The 180° out-of-phase technique is chosen to both improve the desired lower sideband (LSB) signal and to achieve a satisfactory rejection of the unwanted signals (LO, USB and IF). This SOM is designed on the PH15 process of UMS foundry which is based on 0.15 µm GaAs pHEMT. The signal is up-converted from 2 GHz-IF frequency to 26 GHz-LSB frequency, using an autogenerated 28 GHz-LO signal. Simulations were performed using the advanced design system (ADS) workflow. They show 6.4 dB conversion gain and a signal rejection rate of 29.7 dB for the unwanted USB signal. the chip size is 3.6 mm2.
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hal-04487161 , version 1 (18-07-2024)

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Abdelhafid Es-Saqy, Maryam Abata, Mohammed Fattah, Said Mazer, Mahmoud Mehdi, et al.. High rejection self-oscillating up-conversion mixer for fifth-generation communications. International Journal of Electrical and Computer Engineering, 2023, 13 (5), pp.4979. ⟨10.11591/ijece.v13i5.pp4979-4986⟩. ⟨hal-04487161⟩
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