The sensitivity of communications systems is limited by noise. Noise figure for low noise amplifier (LNA) design is highly relevant for LNA’s prima-facie function for adding as low as noise to be added to the desired signal amplification when simulated for system level configuration for varied frequencies ranges. In this paper the noise figure was analyzed as performance parameter for S-band fo...

We present a design of broadband and wide dynamic range low noise amplifier/radio frequency variable gain amplifier (LNA/RF VGA) for digital video broadcasting – satellite (DVBS2) receiver tuner integrated circuit fabricated using the 0.18 μm complementary metal oxide semiconductor (CMOS) process. The MOS switching filter was used to get broadband characteristics of the LNA circuit and the MOS ...

The main aim of the paper is designing and implementing a broadband low-noise-amplifier (LNA) based on compensated matching network techniquein order to get high stable gain, low noise figure, cost smaller sizefor 3G/4G communication system applications at 2 GHz with bandwidth 600MHz. Advanced Design System simulates proposed circuit (ADS).The implementation was done class A bias transistor BFU...

Ultra wide band systems are considered as one of the most exciting technologies due to its capability of transmitting data over a wide frequency spectrum with very low power and high data rates. In any UWB receiver the low noise amplifier is the first stage. The LNA plays a crucial role in the whole reception chain. In this paper, we examine the performance of two different modulations techniqu...

In this paper, an ultra-wideband (UWB) common gate low-noise amplifier (LNA) with gm-boosted and noise-cancelling techniques is presented. In this scheme we utilize gm-boosted stage for cancelling the noise of matching device. The bandwidth extension and flat gain are achieved by using of series and shunt peaking techniques. Simulated in .13 um Cmos technology, the proposed LNA achieved 2.38-3....

A CMOS low-noise amplifier (LNA) and mixer for a GPS front end is described. At 1.586Ghz the LNA minimum noise figure (NF) is 2.8dB, input third order intercept point (IIP3) is 2.45dB and forward gain is 30dB. With a 1.573Ghz local oscillator (LO) and a 1.586Ghz RF input the mixer minimum NF is 6.1dB, IIP3 is 12dB and a conversion gain of -3dB. The LNA and mixer consume 58mW of power from a 1.8...

This paper presents a design of 2.4 GHz low noise amplifier (LNA) for wireless sensor network (WSN) applications using CMOS 0.13 μm Silterra process. The proposed LNA employs a self-biased inverter to obtain high gain and able to operate at low supply voltage. The simulation results indicated that the proposed LNA achieves an input return loss (S11) of -37.7 dB, output return loss (S22) of -28....

This paper presents a 5.8 GHz fully integrated CMOS low noise amplifier (LNA) with on chip spiral inductors for wireless applications. Simulation results show that the noise figure (NF) of the proposed LNA at 5.8 GHz central frequency is only 0.972 dB, which is perfectly close to NFmin while maintaining the other performances. The LNA also has a power consumption of 6.4 mW, a gain of 17.04 dB, ...

A design methodology for wideband CMOS low noise amplifier (LNA) with source degeneration is presented. By allowing an arbitrary source degeneration and employing a general input matching network, the minimum noise figure of the proposed wideband CMOS LNA can be made independent of the transistor width by properly choosing the source degeneration reactance. This result shows that the proposed t...