Description:
...Figure 11. ADuC812 to ADF4001 Family InterfaceADSP-2181 InterfaceFigure 12 shows the interface between the ADF4001 family andthe ADSP-21xx Digital Signal Processor. The ADF4001 family... ...The charge pump output of the ADF4001 (Pin 2) drives theloop filter and the 13 MHz VCXO. The VCXO output is fedback to the RF input of the ADF4001 and also drives the refer-ence (REFIN) for the LO. A T-circuit configuration provides... ...ADF4001–14–function. Figure 8 shows how the ADF4001 can be used tohandle all the possible combinations of input signal frequency...