2Niclas, K. B., et al.,"The Matched Feedback Amplifier: Ultrawideband Microwave Amplification with GaAs MESFETs," IEEE Trans. on Microwave Theory and Techniques, Vol. 28, No. 4, 1980, pp. 285-294.
3Pavio, A. M., '~A Network Modeling and Design Method for a 2 to 18 GHz Feedback Amplifier," IEEE Trans. on Microwave Theory and Techniques, Vol. 30, No. 12, 1982, pp. 2212-2216.