K.J. Cho, W.J. Kim and S.P. Stapleton, J.H. Kim, J.Y. Kim, B. Lee, J.J. Choi and J.C. Lee

Articles by K.J. Cho, W.J. Kim and S.P. Stapleton, J.H. Kim, J.Y. Kim, B. Lee, J.J. Choi and J.C. Lee

An Enhanced Doherty Amplifier Design Based on the Derivative Superposition Method

An enhanced 20 W Doherty amplifier with highly optimized linearity using the derivative superposition method (DSM) is proposed. DSM is a linearization technique based on the device’s transconductance characteristics. The gain compression...

April 6, 2007

K.J. Cho, W.J. Kim and S.P. Stapleton, J.H. Kim, J.Y. Kim, B. Lee, J.J. Choi and J.C. Lee

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High linearity and high efficiency are important design issues in a high power amplifier for base station applications in modern wireless communications. High efficiency power amplifiers, combined with high linearity, have been very desirable. The Doherty amplifier is a technique for improving the efficiency at high output power back-off....