UG-266
EVAL-CN-304-SDZ Evaluation Board User Guide
Rev. B | Page 4 of 12
RUNNING THE SOFTWARE
To run the evaluation board program, do the following:
1.
Click
Start
/
All Programs
/
Analog Devices
/
AD9834
/
AD9834 Eval Board
.
2.
If the
EVAL-SDP-CB1Z
board is not connected to the USB
port when the software is launched, a connectivity error
displays (see Figure 3). Simply connect the
EVAL-CN-304-
SDZ
evaluation board to the USB port of the PC, wait a few
seconds, click
Rescan
, and follow the instructions.
3.
Ensure that all links are in their correct locations (see Table 1).
The main window of the
EVAL-CN-304-SDZ
evaluation
software then opens, as shown in Figure 4.
09791-
002
Figure 3. Pop-Up Window Error
Table 1. Default Setup for Link Positions
Link No.
Position
Function
LK1
A
External DVDD supply powers the
on-board oscillator
B (default)
On-board linear regulator selected
to supply power to the general
oscillator
LK2
A
Digital block powered through the
DVDD external connector
B (default)
3.3 V digital supply for the
AD9834
supplied by the
EVAL-SDP-CB1Z
board
LK3
Out (default) Decouple the CAP/2.5V pin to ground
because V
DD
is >2.7 V
In
Connect the jumper when the external
DVDD supply < 2.7 V
LK4
A
Analog supply provided by the
external AVDD connector
B (default)
3.3 V analog supply for the
AD9834
supplied by the
EVAL-SDP-CB1Z
board
09791-
004
Figure 4.
EVAL-CN-304-SDZ
Evaluation Board Software
