EVAL-CN-304-SDZ Evaluation Board User Guide
UG-266
Rev. B | Page 7 of 12
Example of Operation
An example of configuring the
AD9834
to output 1 MHz follows:
1.
Plug the
EVAL-SDP-CB1Z
board into the
EVAL-CN-304-SDZ
board and connect to the USB port.
2.
Start up the software located at
Start
/
All Programs
/
Analog Devices
/
AD9834
/
AD9834 Eval Board
. The
EVAL-SDP-CB1Z
board begins to communicate with the PC.
3.
Define MCLK; the default is an on-board 75 MHz
oscillator.
4.
Ensure that all links are in the correct locations (see Table 1).
5.
Select the
FREQ 1
register.
6.
Load a 1 MHz excitation frequency and press
Enter
.
The output should appear on the IOUT and IOUTB outputs on
the evaluation board.
For the FREQ 0 register, do the following:
1.
Select the
FREQ 0
register.
2.
Load the
FREQ 0
register with 2 MHz.
3.
Press
Enter
.
For the FREQ 1 register, select the
FREQ 1
register to load the
1 MHz associated with this register.
0
979
1-
0
15
CH2 100mV
100mV
M 200ns
0.00000s
A CH1 216mV
CH1
2
T
CH1 FREQUENCY: 1.000MHz
CH1 PEAK TO PEAK: 572mV
Figure 15. 1 MHz Output Signals on the IOUT and IOUTB Test Points
