scholarly journals A low-noise on-chip coherent microwave source

Author(s):  
Chengyu Yan ◽  
Juha Hassel ◽  
Visa Vesterinen ◽  
Jinli Zhang ◽  
Joni Ikonen ◽  
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Keyword(s):  
2011 ◽  
Vol E94-C (10) ◽  
pp. 1698-1701
Author(s):  
Yang SUN ◽  
Chang-Jin JEONG ◽  
In-Young LEE ◽  
Sang-Gug LEE

2011 ◽  
Vol 20 (07) ◽  
pp. 1231-1242 ◽  
Author(s):  
J. DEL PINO ◽  
SUNIL L. KHEMCHANDANI ◽  
ROBERTO DÍAZ-ORTEGA ◽  
R. PULIDO ◽  
H. GARCÍA-VÁZQUEZ

In this work, the influence of the inductor quality factor in wide band low noise amplifiers has been studied. Electromagnetic simulations have been used to model the integrated inductor broad band response. The influence of the quality factor on LNA performance of the inductors that compound the impedance matching networks, inductive degeneration and broadband load has been studied, obtaining design guidelines for optimizing the amplifier gain flatness. Using this guidelines, an LNA with wideband input matching, shunt-peaking load, and an output buffer was designed. Using Austria Mikro Systems BiCMOS 0.35 m process, a prototype has been fabricated achieving the following measured specifications: maximum gain of 12.5 dB at 3.4 GHz with a -3 dB bandwidth of 1.7–5.3 GHz, noise figure from 4.3 to 5.2 dB, and unity gain at 9.4 GHz.


2017 ◽  
Vol 14 (18) ◽  
pp. 20170711-20170711 ◽  
Author(s):  
Wei Chen ◽  
Zhiyu Wang ◽  
Hua Chen ◽  
Zhengliang Huang ◽  
Jiongjiong Mo

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