A 28-GHz Variable Gain Amplifier with Low Phase Variation in 90-nm CMOS

Author(s):  
Chien-Nan Kuo ◽  
Ting-Yi Chou
2014 ◽  
Vol 24 (7) ◽  
pp. 457-459 ◽  
Author(s):  
Di-Sheng Siao ◽  
Jui-Chih Kao ◽  
Huei Wang

2009 ◽  
Vol 129 (10) ◽  
pp. 1968-1969
Author(s):  
Tetsuro Okura ◽  
Shunsuke Okura ◽  
Toru Ido ◽  
Kenji Taniguchi

Author(s):  
Jorge Pérez Bailón ◽  
Jaime Ramírez-Angulo ◽  
Belén Calvo ◽  
Nicolás Medrano

This paper presents a Variable Gain Amplifier (VGA) designed in a 0.18 μm CMOS process to operate in an impedance sensing interface. Based on a transconductance-transimpedance (TC-TI) approach with intermediate analog-controlled current steering, it exhibits a gain ranging from 5 dB to 38 dB with a constant bandwidth around 318 kHz, a power consumption of 15.5 μW at a 1.8 V supply and an active area of 0.021 mm2.


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