
Broadband GaAs MMIC frequency doubler delivers high isolation
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By
Jean-Pierre Joosting
This passive frequency doubler can be driven with a +15 dBm input signal with a low conversion loss of 13 dB, and boasts excellent Fo and 3Fo isolations of at least 47 dBc. The CMD225C3 is a 50 ohm matched design to eliminate the need for RF port matching.
This frequency doubler comes in a Pb-free RoHs compliant 3- x 3-mm surface mount package and is ideal for low phase noise frequency synthesizers and local oscillators.
