Third-order intermodulation distortion in microwave amplifier |
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| Authors: | Agarwal K.K. Kuo Y.L. |
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| Affiliation: | Bell Laboratories, North Andover, USA; |
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| Abstract: | Third-order intermodulation distortions of a microwave GaAs f.e.t. amplifier are analysed using a simple nonlinear model for the device. If the amplifier has strong feedback at low frequencies, the second-order interactions may dominate and degrade the third-order distortions. Solutions are presented to eliminate this distortion degradation. The analysis is very well substantiated by measurements. |
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