19-3131; Rev 0; 3/08 50MHz to 1000MHz High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA General Description The MAX2065 high-linearity, analog/digital variablegain amplifier (VGA) is designed to operate in the 50MHz to 1000MHz frequency range with two independent attenuators (see the Typical Application Circuit).
The digital attenuator is controlled as a slave peripheral using either the SPI™-compatible interface or a parallel bus with 31dB total adjustment range in 1dB steps.
An added feature allows “rapid-fire” gain selection between each of four steps, preprogrammed by the com user through the SPI-compatible interface.
The 2-pin control allows the user to qui...

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