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Need help filtering  2nd and 3rd harmonics on MKW21D512VHA5

Question asked by Mark Sample on Aug 2, 2016
Latest reply on Aug 2, 2016 by Jason Chiang

Hello, A customer of ours is using the MKW21D512VHA5 with a Texas Instruments CC2591 Power Amplifier. They have tried using the harmonic trap shown the reference design.  It definitely helped when transmitting but it adversely affected the receiving capability. Any thoughts on what to try to improve suppressing these harmonics?





Texas Instruments CC2591