1. Exact Analysis of Maximum Available Gain and Unilateral Gain Including Phase Angle of S21;Huang Y. H.;IEEE Microwave Wireless Components Letters,2003
2. Power Gain in Feedback Amplifiers;Mason S. J.;Transactions of the IRE Professional Group on Circuit Theory,1954
3. Neutralization and Unilateralization;Cheng C. C.;IRE Transactions on Circuit Theory,1955
4. A Much Improved Apparatus for Measuring the Unilateral Gain of Transistors at GHz Frequencies;Lange J.;IEEE Transactions on Circuit Theory,1966