Title :
HF low noise amplifiers with integrated transformer feedback
Author :
Van Hartingsveldt, Koen ; Kouwenhoven, Michiel H L ; Verhoeven, Chris I M
Author_Institution :
Fac. of Inf. Technol. & Syst., Delft Univ. of Technol., Netherlands
Abstract :
This paper proposes the concept of an adaptive, wideband LNA, based on double-loop negative feedback with an integrated HF transformer, resulting in an inherent matched input impedance. It offers the possibility to design and bias the input transistor for minimum noise and has the potential to increase linearity, without affecting the input impedance
Keywords :
HF amplifiers; circuit noise; feedback amplifiers; high-frequency transformers; impedance matching; wideband amplifiers; HF low noise amplifier; adaptive wideband LNA; double-loop negative feedback; impedance matching; integrated transformer feedback; Feedback amplifiers; Feedback loop; Hafnium; Impedance matching; Linearity; Low-noise amplifiers; Negative feedback; Power amplifiers; Semiconductor device noise; Voltage;
Conference_Titel :
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on
Conference_Location :
Phoenix-Scottsdale, AZ
Print_ISBN :
0-7803-7448-7
DOI :
10.1109/ISCAS.2002.1011478
