MMIC active bandpass filter using a lumped-element dual-mode ring resonator with loss compensation
- Resource Type
- Conference
- Authors
- Karacaoglu, U; Robertson, I D; Guglielmi, M
- Source
- 1995 25th European Microwave Conference Microwave Conference, 1995. 25th European. 2:916-920 Sep, 1995
- Subject
- Fields, Waves and Electromagnetics
MMICs
Band pass filters
Optical ring resonators
Circuits
Active filters
Resonator filters
Transmission lines
Frequency
Space technology
FETs
- Language
A monolithic bandpass filter is presented which uses a dual-mode ring resonator implemented with lumped-element pi-networks as transmission-line equivalents. FET negative resistance circuits are employed for loss compensation. The measured results show excellent performance, with a 800 MHz 3-dB bandwidth centred at 5.2 GHz.