The MAX2683/MAX2684 evaluation kits (EV kits) simplify evaluation of the MAX2683/MAX2684 3.4GHz to 3.8GHz downconverter mixers. The EV kits are fully assembled and tested, allowing simple evaluation of all device functions. All signal ports utilize SMA connectors, providing a convenient interface to RF test equipment.
The MAX2683/MAX2684 are downconversion mixers intended for operation in the 3.4GHz to 3.8GHz frequency range. The MAX2683 is optimized for downconversion to IF frequencies between 100MHz and 400MHz, and allows high-side or low-side LO injection. The MAX2684 is optimized for IF frequencies between 800MHz to 1000MHz and only allows low-side LO injection. A logic-level enabled LO frequency doubler allows the external LO source to run at half frequency, or at full frequency if disabled. As assembled, the MAX2683/MAX2684 EV kits are configured for operation of the LO at half frequency. A few simple component changes configure the EV kit for operation of the LO at full frequency. In addition, an external resistor allows adjustment of device linearity and supply current.
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