EVAL-ADF421XEB1 Datasheet, PDF (5/6 Pages) Analog Devices – Evaluation Board For PLL Frequency Synthesizer

Software Description
The software comes on a set of two floppy disks (Disk 1 and
Disk 2). If the user double clicks on “setup.exe” on Disk 1,
then the install wizard installs the software. Follow the on-
screen directions. The software will be installed in a default
directory called “C:/Program Files/Project1”. To run the
software, simply double-click on “adf411X.exe”.
The front panel of the evaluation board software is shown
below.
When the main software screen appears, follow the steps
below for initial setup to interface to the part.
Click on Choose Device, and the Device window will appear.
Choose the device being evaluated and click OK.
Click on Choose Port, and the Port Connector window will
appear. Choose the port that the cable is connected to on the
PC and click OK. (Normally LPT1)
Click on Osc In, and the Crystal Frequency window will
appear. Enter the reference frequency being used and click
OK.
EVAL-ADF421XEB1
Click on RF VCO Output Frequency, and the Output
Frequency window will appear. Enter the output frequency
and PFD reference frequency, and click OK.
Click On Prescaler, and the Prescaler window will appear.
Grab the pointer, and choose the desired prescaler value.
Click OK.
Click on the RF PD Polarity button to set the RF PD Polarity
bit High.
Click on Charge Pump Current Setting 2 or Charge Pump
Current Setting 1 and the Current Setting window will ap-
pear. Grab the pointer to set the Charge Pump Current Set-
ting. Click OK.
The data is now set up, and other features can now be exam-
ined by the user.
Figure 5. Software Front Panel
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