Datasheet

AD8331-EVAL
Rev. A | Page 2 of 4
04589-002
15
16
20
17
18
19
8
7
6
5
1
4
3
2
9
13
10
MODE CLMP
COMM
VIP
GAIN
VIN
LOP
COML
LMD
LON
VPS
INH
COMM
ENBV
ENBL
HILO
GAIN
+5V
+5V
NOTES
1. COMPONENTS IN GREY ARE OPTIONAL AND USER SUPPLIED.
R8
R4
INH
+5V
LO
LOP
LON
C34
1nF
C2
C1
+5VGND
W1
MODE
DOWN
UP
VOH
VOL
VOH
T1
1:1
VO
VPOS +5V
+5V
+5V
14
11
12
VCM
VCM
C18
0.1µF
C35
0.1µF
C32
0.1µF
CFB
0.018µF
CSH
22pF
CLMD
0.1µF
+C3
10µF
10V
C14
0.1µF
C16
0.1µF
C6
0.1µF
C26
0.1µF
C24
0.1µF
RCLMP
HI
LO
EN
DIS
EN
DIS
RFB
274Ω
LNA
VGA
HI_LO
L5
120nH FB
R20
237Ω
R16
237Ω
R43
100Ω
R44
100Ω
L4
120nH FB
L3
120nH FB
L2
120nH FB
L1
120nH FB
W6
W5
2
3
1
D2 PROBE
GND2GND1 GND3 GND4
C
INH
0.1µF
DUT
AD8331ARQ
Figure 2. Schematic of Evaluation Board
04589-003
1103 TEKPROBE
POWER SUPPLY
E3631A
POWER SUPPLY
DP8200 PRECISION VOLTAGE
REFERENCE (FOR VGAIN)
DIFFERENTIAL
PROBE
4395A ANALYZER
GND
INSERT JUMPERS
W5 AND W6 TO
USE OUTPUT
TRANSFORMER
AND VOH SMA
GND
5V
Figure 3. Typical Board Test Connections