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http://dx.doi.org/10.6109/jkiice.2019.23.8.959

Ka-Band Variable-Gain CMOS Low Noise Amplifier for Satellite Communication System  

Im, Hyemin (School of Electronic Engineering, Soongsil University)
Jung, Hayeon (School of Electronic Engineering, Soongsil University)
Lee, Jaeyong (School of Electronic Engineering, Soongsil University)
Park, Sungkyu (School of Electronic Engineering, Soongsil University)
Park, Changkun (School of Electronic Engineering, Soongsil University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.23, no.8, 2019 , pp. 959-965 More about this Journal
Abstract
In this paper, we design a low noise amplifier to support ka-band satellite communication systems using 65-nm RFCMOS process. The proposed low noise amplifier is designed with high-gain mode and low-gain mode, and is designed to control the gain according to the magnitude of the input signal. In order to reduce the power consumption, the supply voltage of the entire circuit is limited to 1 V or less. We proposed the gain control circuit that consists of the inverter structure. The 3D EM simulator is used to reduce the size of the circuit. The size of the designed amplifier including pad is $0.33mm^2$. The fabricated amplifier has a -7 dB gain control range in 3 dB bandwidth and the reflection coefficient is less than -6 dB in high gain mode and less than -15 dB in low gain mode.
Keywords
Gain control; Ka-band; low noise amplifier; mm-wave; satellite communication;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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