AD8346-EVALZ Analog Devices Inc, AD8346-EVALZ Datasheet - Page 14

• Manufacturer Part Number: AD8346-EVALZ
• Manufacturer: Analog Devices Inc

Specifications of AD8346-EVALZ

• Lead Free Status / Rohs Status: Supplier Unconfirmed

AD8346
EVALUATION BOARD
The schematic of the AD8346 evaluation board is shown in
Figure 30. This is a 4-layer FR4 board; the two center layers are
used as ground planes and the top and bottom layers are used
for signal and power. Figure 31 shows the layout and Figure 32
shows the silkscreen. The evaluation board circuit closely
follows the basic connections circuit shown in Figure 27.
Slide SW1 to the A position to connect the ENBL pin to +V
via the 10 kΩ pull-up resistor REP. Slide SW1 to the B position
to disable the device by grounding the ENOP pin through the
49.9 Ω pull-down resistor REG. The device may be enabled via
an external voltage applied to the SMA connector ENOP or TP2.
LO
ENOP
IP
IN
+V
RLOS
OPEN
S
5
4
ETC1-1-13
REP
10k Ω
T1
0.01 μ F
C1
RIN
0 Ω
RIP
0 Ω
RLON
OPEN
1
2
3
R7
0 Ω
OPEN
OPEN
CIN
CIP
RLOP
OPEN
C2
100pF
CLOP
100pF
CLON
100pF
ENOP
Figure 30. Evaluation Board Schematic
RIS
OPEN
TP2
S
SW1
Rev. A | Page 14 of 20
1
2
3
4
5
6
7
8
IBBP
IBBN
COM1
COM1
LOIN
LOIP
VPS1
ENBL
REG
49.9k Ω
A
B
AD8346
COM4
COM4
COM3
COM2
QBBN
QBBP
VOUT
VPS2
All connectors are of the SMA type. The I and Q inputs are
provided with pads for implementing a simple RC filter
network. The local oscillator input is driven through a balun
(M/A-COM Part Number ETC1-1-13).
13
12
10
16
15
14
11
9
RQS
OPEN
100pF
OPEN
OPEN
C4
100pF
CVO
CQN
CQP
0 Ω
R2
RQN
RQP
0 Ω
0 Ω
C3
0.01 μ F
QP
QN
+V
VOUT
S