Effects of low-frequency drain termination and injection on nonlinear amplifier performances
Low-frequency parameters have important effects on the nonlinear performances of power amplifiers. Injection at the output of a low-frequency-voltage device, following the signal envelope, is proposed. Two-tone simulations, measurements using the principle of a low-frequency active load-pull system, and implementation of the technique are presented. (c) 2005 Wiley Periodicals, Inc.
nonlinear signal envelope operating parameters low-frequency load intermodulation distortion