4   Artículos

 
en línea
Jeong-Geun Kim and Kang-Hee Lee    
In this paper, a 4-bit digital step attenuator using 0.25 µm GaN HEMT technology for wideband radar systems is presented. A switched-path attenuator topology with resistive T-type attenuators and double-pole double-throw (DPDT) switches was used to achie... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jeong-Geun Kim and Donghyun Baek    
This paper presents a Ku-band transmit and receive IC in 0.13 µm CMOS technology for mobile satellite communication beamforming systems. A Ku-band transmit and receive IC is composed of a bi-directional amplifier, a 6-bit phase shifter, and a 6-bit digit... ver más
Revista: Applied Sciences    Formato: Electrónico

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