Results 31 to 40 of about 5,099,079 (342)
Decreased noise figure measurement uncertainty in Y factor method [PDF]
Advances in Radio Science, 2013 Almost always noise figure is measured today by using a matched noise source delivering two different but known noise temperatures (Y factor method). In commercially available noise sources these temperatures are characterized by the excess noise ratio ...
I. Gaspard
doaj +1 more source
FULLY OPTIMIZED ULTRA WIDEBAND RF RECEIVER FRONT END
Jordanian Journal of Computers and Information Technology, 2022 This paper proposes a novel and fully optimized Ultra-wideband rf receiver front end in UMC 180nm 1P6M CMOS process. The heterodyne architecture used in this work does not use the on-chip image reject mixer.
Rajesh Khatri, D. K. Mishra
doaj +1 more source
Noise suppression by noise [PDF]
, 2001 We have analyzed the interplay between an externally added noise and the intrinsic noise of systems that relax fast towards a stationary state, and found that increasing the intensity of the external noise can reduce the total noise of the system.
A. van der Ziel +23 more
core +2 more sources
Noise Figure Degradation in Balanced Amplifiers [PDF]
IEEE Microwave and Wireless Components Letters, 2017 Balanced amplifiers suffer from the noise figure performance in comparison with a stand-alone amplifier even with an ideal input divider. The noise parameters degrade further with an imperfect divider. We present exact and approximate analytical results for the noise figure and noise parameters of the balanced amplifier in divider topology. Measurement
Akif Alperen Coskun, Abdullah Atalar
openaire +3 more sources
, 2004 This paper reports the first 24-GHz CMOS front-end in a 0.18-µm process. It consists of a low-noise amplifier (LNA) and a mixer and downconverts an RF input at 24GHz to an IF of 5 GHz.
Guan, Xiang, Hajimiri, Ali
core +1 more source
Novel design for noise controlled semiconductor optical amplifier [PDF]
, 2009 The use of semiconductor optical amplifiers (SOA) in optical communications networks has so far been limited due to their inherent large noise figure (NF) compared to Erbium Doped Fibre Amplifiers.
Bradley, Ann Louise +5 more
core +2 more sources
Low noise figure C+L-band erbium-droped fiber amplifier
Dianxin kexue, 2017 A new configuration of the low noise figure C+L-band erbium-doped fiber amplifier was proposed and demonstrated.In the proposed configuration,a preamplifier was used to reduce the noise figure,and an improved double-pass configuration with a fiber bragg ...
Hangdong ZHANG, Li ZHAN
doaj +2 more sources
New Results on the Noise Figure of HEMTs
Active and Passive Electronic Components, 1993 In this communication, an accurate mathematical model for the noise figure of a high electron mobility transistor is developed. This model represents a substantial improvement of the Fukui model.
M. A. Grado Caffaro, M. Grado Caffaro
doaj +1 more source
Effect of the shot-noise on a Coulomb blockaded single Josephson junction
, 2004 We have investigated how the Coulomb blockade of a mesoscopic Josephson junction in a high-impedance environment is suppressed by shot noise from an adjacent junction. The presented theoretical analysis is an extension of the phase correlation theory for
D.V. Averin +6 more
core +1 more source
Generating All Two-MOS-Transistor Amplifiers Leads to New Wide-Band LNAs [PDF]
, 2001 This paper presents a methodology that systematically generates all 2-MOS-transistor wide-band amplifiers, assuming that MOSFET is exploited as a voltage-controlled current source. This leads to new circuits.
Bruccoleri, Federico +2 more
core +3 more sources