Design of frequency selective limiting circuit

N.H., Ali and Zahriladha, Zakaria and R. , Phudpong (2012) Design of frequency selective limiting circuit. In: 3nd International Conference on Engineering and ICT (ICE12012), 4 - 6 April 2012, Melaka Malaysia. (Submitted)

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This paper explains the design of frequencyselective limiting circuit. The circuit is typically based on nonlinear matched reflection-mode bandstop resonator. This type of Frequency Selective Limiters achieves fast switching, high-level of power limiting, and flexible channel bandwidth. For single channel limiting, a device with one resonator (first order) produced a band-stop response centred at 2 GHz with 250 MHz of limiting bandwidth, 0 dBm limiting threshold, and 32 dB limiting level and it gave an all-pass response with less than 2.5 dB insertion loss at low RF powers. Multi-resonator filter has been used in order to improve the performance of the device. The prototype will produce intermodulation distortions and response time. Simulated results show an excellent highly selective bandstop performance at high powers with a near all-pass response at low signal powers.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: bandstop filters, limiting, microstrip resonators, microwave limiters, nonlinear filters
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering
Depositing User: Noor Rahman Jamiah Jalil
Date Deposited: 27 Oct 2015 01:42
Last Modified: 27 Oct 2015 01:42
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