This paper describes a novel absorptive limiter for frequency selective circuits. The proposed circuit allows the design of absorptive limiters based on a bi-state phase shifter, which is appropriate for integration into channelizing devices, such as hybrid-coupled input multiplexers. A preliminary prototype with shunt PIN diodes has been fabricated and measured to demonstrate the viability of the concept. The proposed circuit can be applied to create high performance frequency selective limiters incorporating high temperature superconductors as limiting elements.
Citation: IEEE Microwave and Wireless Components Letters
Pub Type: Journals
Absorptive limiter, frequency selective limiter, diode limiter, bi-state phase shifter.