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This paper reported a design of a semicircular slotted microstrip patch antenna which has low loss and high gain, also suitable for ISM band applications. The antenna is fed through the coaxial probe and resonates at ISM band frequency of 2.4 GHz. The dimension of microstrip slotted patch is 8.3×7.1×0.16 cm3. This slotted patch is designed on the Rogers RT/Duroid substrate with relative permittivity...
In this paper, a high gain as well as highly linear down-conversion mixer is presented for UWB applications. The proposed mixer circuit is implemented and simulated in a 0.18µm CMOS technology using Advanced Design System (ADS) software. The core of the proposed mixer is based on the Gilbert cell (double-balanced) mixer with source degeneration (inductive) at the RF driver stage and the inductors...
A low voltage, low power CMOS down-conversion mixer is presented for Ultra-wideband (UWB) systems. The proposed mixer is designed for a 3.35 GHz input RF signal and 250 MHz output IF signal in 0.18pm CMOS technology and simulated using Advanced design system (ADS) software. The proposed mixer is based on the conventional Gilbert cell architecture with bulk driven technique. Two element LC matching...
The paper presents a low noise amplifier (LNA) for ultra-wideband (UWB) frequency range from 3.1 GHz to 10.6 GHz using two stage cascade topology with three section band pass Chebyshev filter. Proposed LNA achieves a maximum gain of 20 dB, a minimum noise figure (NF) of 2.89 dB and IIP3 of 10 dBm with a wide input matching. The power consumption is 12 mW under a 1.8-V DC power supply. The proposed...
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