At receiving front end, the low noise amplifier design, being the first building block to receive the signal puts a tremendous challenge on modern day radio frequency engineers to meet real world problems involving trade-off in design issues. In this paper the recent trends for noise figure are streamlined in concurrence to Ultra Wide Band (UWB) radio transmission spectrum. A comparative study ...

We report the first definitive PM and AM noise measurements at 100 GHz of indium phosphide (InP) amplifiers operating at 5 K, 77 K, and room temperature. Amplifier gain ranged from +7 dB to +30 dB, depending on input RF power levels and operating bias current and gate voltages. The measurement system, calibration procedure, and amplifier configuration are described along with strategies for red...

Recent theoretical work predicts that the quantum-limited noise figure of a x(3)-based fiber-optical parametric amplifier operating as a phase-insensitive in-line amplifier or as a wavelength converter exceeds the standard 3-dB limit at high gain. The degradation of the noise figure is caused by the excess noise added by the unavoidable Raman gain and loss occurring at the signal and the conver...

Generally, analog RF front-end circuits are designed to be functional under the most stringent, fixed, operating conditions, where all the performance parameters are set by crude hardware design in a fixed way. The figures of merit, resulting from such a design approach, related to only one operating condition and to only one design point, are the already existing, standard or fixed figures of ...

Quantitative image quality analysis technologies have advanced significantly in the past twenty years. Practical instruments for objective analysis of engineering quality attributes are now used widely and successfully in the digital printing industry. However, in the design and optimization of an imaging system, measurement of engineering quality alone is not sufficient. It is equally if not m...

We investigate the spectral and amplification characteristics of Bi/Er co-doped fiber (BEDF) Er-doped (EDF), prepared by atomic layer deposition (ALD). BEDF features a noise figure (NF) below 5.2 dB, bandwidth with NF less than 4 dB is approximately 23 nm (1560–1583 nm), that gain exceeding 25 42 (1525–1567 nm). The quantum conversion efficiency (QCE) at 1550 72.1% pump power 300 mW. saturated ...

This paper presents the design and simulation of Low Noise Amplifier (LNA) in a 0.18μm CMOS technology. The LNA function is to amplify extremely low noise amplifier without adding noise and preserving required signal to noise ratio. Cadence design tool Spectre_RF is used to design and simulation based on resistors, inductors, capacitors and transistors. Power constrained methodology is used for...