IMPROVED DIODE-BASED FREQUENCY SELECTIVE LIMITER TO USE IN SMART ANTENNA SYSTEM

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AHMADI HAJI ABOLHASAN; HABIBI DARONKOLA AMIR; QANEH YAGHOB

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Journal: Advanced Defense Science and Technology Year:2016 | Volume:7 | Issue:2 Page(s): 139-148

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Title

IMPROVED DIODE-BASED FREQUENCY SELECTIVE LIMITER TO USE IN SMART ANTENNA SYSTEM

Author(s)

AHMADI HAJI ABOLHASAN | HABIBI DARONKOLA AMIR | QANEH YAGHOB | Issue Writer Certificate

Keywords

LIMITERQ2

FREQUENCY SELECTIVE LIMITERQ2

LIMITING LEVELQ2

LIMITING THRESHOLDQ2

Abstract

This paper deals with presenting a method for improving diode-based frequency selective LIMITER’s performance. High LIMITING LEVEL, low spike leakage, low recovery time, and simple design procedure made the diode-based frequency selective LIMITER a good option for protection of smart antenna system from high power microwave threat. Unfortunately, due to the method of nonlinear resonator realization in these LIMITERs, in the presence of high power out of limiting band signals of each channel limiting band attenuation in passing state of these LIMITERs increases. In this paper, band-pass filter is employed to decreasing the effect of high power out of limiting band signals on the attenuation in the passing state of LIMITER. By using this technique a 2-channel FSL in center frequencies of 4.2GHz and 4.6GHz, with 0dBm LIMITING THRESHOLD, 30dB LIMITING LEVEL, and 200MHz limiting bandwidth is designed. Simulation results show that using this technique can decrease the effect of out of limiting band signals on attenuation of passing state by 9dB, and increase the linearity of frequency selective LIMITER in the passing state of LIMITER.

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APA: Copy

AHMADI HAJI, ABOLHASAN, HABIBI DARONKOLA, AMIR, & QANEH, YAGHOB. (2016). IMPROVED DIODE-BASED FREQUENCY SELECTIVE LIMITER TO USE IN SMART ANTENNA SYSTEM. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, 7(2), 139-148. SID. https://sid.ir/paper/167523/en

Vancouver: Copy

AHMADI HAJI ABOLHASAN, HABIBI DARONKOLA AMIR, QANEH YAGHOB. IMPROVED DIODE-BASED FREQUENCY SELECTIVE LIMITER TO USE IN SMART ANTENNA SYSTEM. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY[Internet]. 2016;7(2):139-148. Available from: https://sid.ir/paper/167523/en

IEEE: Copy

ABOLHASAN AHMADI HAJI, AMIR HABIBI DARONKOLA, and YAGHOB QANEH, “IMPROVED DIODE-BASED FREQUENCY SELECTIVE LIMITER TO USE IN SMART ANTENNA SYSTEM,” (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, vol. 7, no. 2, pp. 139–148, 2016, [Online]. Available: https://sid.ir/paper/167523/en

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