Owner manual

MAX2038
Ultrasound VGA Integrated
with CW Octal Mixer
22 ______________________________________________________________________________________
12μH 12μH
ONE CHANNEL
ONE CHANNEL
TO 12-BIT IMAGING ADC
TO Q CHANNEL
CWD
ADC
TO I CHANNEL
CWD
ADC
CWD I/Q LO
CWD Q CHANNELS IN
0.1μF 0.1μF
LO DIVIDER
+V
MIX
+V
MIX
50Ω
100nF
100nF
100nF
+V
-V
+V
IN
100nF
100nF
ZIN IN CONTROL
D2, D1, D0
VG_CTL+ VG_CTL-
VGIN_+
VGIN_-
CWIN_+
CWIN_-
CW_VG
CW_FILTER
VGOUT_+
VGOUT_-
CW_IOUT+
CW_IOUT-
CW_QOUT-
CW_QOUT+
THIRD-ORDER BUTTERWORTH
ANTI-ALIAS FILTER
V
CC
V
REF
GND
115Ω 115Ω
115Ω
115Ω
MAX2038
50Ω
CWD I CHANNELS IN
MAX2034
Figure 7. Typical Per-Channel Ultrasound Imaging Application