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The AD8376 is a dual channel, digitally controlled, variable gain wide bandwidth amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distorTIon perform-ance and high signal bandwidth make the AD8376 an excellent gain control device for a variety of receiver applicaTIons.Using an advanced high speed SiGe process and incorporaTIng proprietary distorTIon cancellation techniques, the AD8376 achieves 50 dBm output IP3 at 200 MHz.The AD8376 provides a broad 24 dB gain range with 1 dB resolution. The gain of each channel is adjusted through dedicated 5-pin control interfaces and can be driven using standard TTL levels. The open-collector outputs provide a flexible interface, allowing the overall signal gain to be set by the loading impedance. Thus, the signal voltage gain is directly proportional to the load.
