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A Design of Variable Attenuator for MMIC using Slot in the Ground Plane  

김기래 (신라대학교 공과대학 컴퓨터공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.7, no.6, 2003 , pp. 1109-1114 More about this Journal
Abstract
In this paper, the electric characteristic of the SGPS with slot in the ground plane is similar to the parallel resonant circuit. When the slot length in SGPS is equal to the half wavelength of specific frequency, the characteristic of SGPS represent the large attenuation at the specific frequency. We found out the relation between attenuation and resistor on the slot in SGPS and we designed the variable attenuator for MMIC using the variable resistor. This attenuator can be applied to AGC circuit in transceiver if the PIN diode is used replace for resistor.
Keywords
MMIC; SGPS;
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  • Reference
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