The ADL5801 utilizes a high linearity doubly balanced activemixer core with integrated LO buffer amplifier to provide highdynamic range frequency conversion from 10MHz to 6GHz.The mixer benefits from a proprietary linearization architecturewhich provides enhanced IP3 performance when subject tohigh input levels. A bias adjust feature allows the inputlinearity, SSB Noise Figure, and DC current to be optimizedusing a single control pin. An optional input power detector isprovided for adaptive bias control. The high input linearityallows the device to be used in demanding cellular applicationswhere in-band blocking signals may otherwise result indegradation in dynamic performance. Employing the adaptivebias feature allows the part to provide high IP3 performancewhen presented with large blocking signals. When blockers areremoved the ADL5801 can automatically bias down to providelow noise figure and low power consumption.
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