A wideband low -noise downconversion mixerwith positive-negative feedbacks

سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 770

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تاریخ نمایه سازی: 21 فروردین 1393

چکیده مقاله:

This paper presents a wideband low-noise mixer in CMOS 0.13-um technology that operates between 2–10.5 GHz. The mixer has a Gilbert cell configuration that employs broadband low-noise trans conductors designed using the negative-positive feedback technique used in low-noise amplifier designs. This method allows broadband input matching. The current-bleeding technique is also used so that a high conversion gain can be achieved. Simulation results show excellent noise and gain performance across the frequency span with an average double-sideband noise figure of 2.9 dB and a conversion gain of 15.5 dB. It has a third-order intermodulation intercept point of -8.7 dBm at 5 GHz


Hadi Naderian

RF Circuit, M.Sc, Electrical Engineering Department, Shahid Bahonar University of Kerman

Ahmad Hakimi

RF Circuit and Microwave Components, Ph.D, Electrical Engineering Department, Shahid Bahonar University of Kerman