Analog Devices AD9779A Quick Start Manual page 3

Quick Start Guide
HARDWARE SETUP (DAC OUTPUT)
Once the DPGDownloader software is installe
the evaluation board. The power supply shou
clock source (< 0.5psec RMS) should be used
DAC outputs are connected to filter driving th
The modifications for observing the DAC out
into the DPG2. The PC connects to both the D
Figure 1- Bench Set-Up
GETTING STARTED – SINGLE TONE T
It is suggested that the basic set-up is verified b
Basic Hardware Set-Up
Connect the equipment to the AD977xA evalu
Equipment
Power Supply
Signal Source Clk
Signal Source LO
PC USB Cable
Spectrum Analyzer
DPG2
DPGDownloader Software
Power up the DPG and connect the USB cable
Start menu during the installation of the DAC
typically at Start > Programs > Analog Devices
The basic parts of the DPGDownloader wind
Menu, Vector Palette, Vector Selection Panel an
2010
© Analog Devices, Inc. All rights reserved. Tradema
registered trademarks are the property of their respective
ed, the hardware can be connected as shown in Figure 1. A s
uld be able to source up to 2A to cover all of the board's ope
for the DACCLK. A sinusoidal clock output level of 0 to 4d
he quadrature modulator so the output signal will be at the
tputs and different clocking options will be explained. The e
DPG2 and the evaluation board through USB cables.
p
TEST
before making any modifications to the evaluation board.
uation board per the following table:
C Connects to AD977xA Eval Board
P4 (+5V), P5 (GND) P
J J2 (DAC Clock ), Set source to 200MHz, 3dBm output
J19 ( LO IN), Set source to desired LO (i.e. 900 or 1800 MHz, J
ADL5375 to mix up to the antenna frequency. A
X XP2
J J6 (RF_OUT)
P P1 and P2
e to the PC. Next, run the DPGDownloader Software. A sh
C Software Suite. To begin, click on the DPGDownloader sho
s > DPG > DPGDownloader.
dow are: Hardware Config Panel, SPI GUI Launch Button,
and the Download and Play buttons.
arks and
e owners.
D0 00000-0-1/0
AD9779A/78A
Figure 2- DPG2 and AD978
A/76A-DPG2-EBZ
single 5V power supply powers
erating conditions. A low jitter
dBm is optimal. By default, the
RF output of the ADL5375, J6.
evaluation board plugs directly
8 Evaluation Board
3dBm output when using the
hortcut will be installed to your
ortcut in your Programs menu,
Vector Generation Pull-Down