NDLI: A new broadband bipolar electrical controlled attenuator

Content Provider	IEEE Xplore Digital Library
Author	Jian Tang Zhihua Zhao Huan Xiao Yi Li Fangmin He Jin Meng
Copyright Year	2014
Description	Author affiliation: Nat. Key Lab. for Vessel Integrated Power Syst. Technol., Naval Univ. of Eng., Wuhan, China (Jian Tang; Zhihua Zhao; Huan Xiao; Yi Li; Fangmin He; Jin Meng)
Abstract	Adaptive interference cancellation technology is widely used in kinds of noise rejection systems to resolve EMI problems, while a broadband bipolar electrical controlled attenuator is as one of the most important components in these systems. In this paper, we devise a new bipolar electrical controlled attenuator design scheme that bases on π type PIN diode variable attenuator. The attenuator is achieved by using π type PIN diode attenuation circuit as the variable part and PIN diode switch to select the output polarity of the transmission line transformer. The results of experiment show that within the operation frequency 2MHz-30MHz, the attenuator has a Standard Voltage Wave Ratio (SWR) less than 1.6, the dynamic range up to 60dB, the Insertion Loss(IL) less than 5dB and the anti-phase error less than 5 degree.
Starting Page	1480
Ending Page	1483
File Size	408373
Page Count	4
File Format	PDF
ISBN	9781479951628
DOI	10.1109/ICEMS.2014.7013724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Attenuators PIN photodiodes Power transmission lines RF signals Interference cancellation Radio frequency Attenuation Transmission line transformer Electromagnetic compatibility Electromagnetic Interference Bpolar attenuator PIN Diode
Content Type	Text
Resource Type	Article

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