The MAX2312/MAX2316 evaluation kits (EV kits) simplify testing of the MAX2312/MAX2316 IF receivers. These kits allow evaluation of the devices' variable-gain amplifier (VGA), I/Q demodulator, voltage-controlled oscillator (VCO), synthesizer, 3-wire programming interface, and power-management features. Figure 2 shows the MAX2312/MAX2316 EV kits schematic.
The EV kits provide 50Ω SMA connectors for all signal inputs and outputs. A varactor-based tank circuit is provided for the on-chip VCO and can be tuned by a potentiometer or an external voltage or phase locked with the on-chip phase-locked loop (PLL). PC board pads (J12, J13, J14, J15) are available for installing low-inductance oscilloscope probe points, if desired.
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