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In this paper, a low flicker noise, 5 GHz direct conversion receiver (DRC) has been designed utilizing dynamic current injection (DCI) and tuning inductor in the mixing stage. This DRC has been designed in a TSMC 0.18 ??m 1P6M CMOS process for WLAN 802.11a applications. The proposed DRC achieves 7.4 dB SSB-NF, 28 dB conversion gain (CG), -10 dBm IIP3, and 1/f noise corner frequency of 100 KHz with...
This paper describes simulation results of high dynamic range mixer, based on resistive ring topology. Mixer is designed using TSMC CMOS 0.18um technology. This mixer downconverts RF signals in the range 2-6 GHz to low IF using LO signals below corresponding RF frequencies and perform low-pass filtering with 3dB bandwidth 33 MHz. Unlike pure resistive ring topology, mixer has a positive power gain...
High third-order intercept output point (OIP3) RF amplifier, suitable for cheap semiconductor technology is proposed. The circuit functionality simulated using Agilent ADS and parasitic components were taken into account using Assura RCX chip design software. Chip has designed for TSMC 0.35-um BiCMOS process. An OIP3 over +30 dBm was achieved with a gain of 8 dB, noise figure 5 dB, and a power consumption...
Recently, spiral inductors have widely been used instead of resistors in the design of matching circuits to enhance the thermal noise performance of a wireless transceiver. However, such elements usually have low quality factor (Q) and may encounter the self-resonance in microwave-frequency band which permits its use in higher frequencies, and on the other hand, they occupy the large on-chip space...
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