adf5001 Analog Devices, Inc., adf5001 Datasheet - Page 7

• Manufacturer Part Number: adf5001
• Description: 4 Ghz To 18 Ghz Divide-by-4 Prescaler
• Manufacturer: Analog Devices, Inc.

EVALUATION BOARD PCB
The evaluation board has four connectors as shown in Figure 8.
The RF input connector (J4) is a 2.92 mm precision connector
from Rosenberger. This connector is mechanically compatible
with SMA/3.5 mm cables, although it is recommended to use a
2.92 mm cable when connecting the board to measurement
equipment or to another RF evaluation board to avoid accidental
damage to the connector.
The evaluation board is powered from a single 3.0 V to 3.6 V
supply, which should be connected to the J1 SMA connector.
The power supply can also be connected using the T3 (VDDx)
and T2 (GND) test points.
The differential RF outputs are brought out on the J2 and J3
SMA connectors. If only one of the outputs is being used, the
unused output should be correctly terminated using a 50 Ω
SMA termination.
The chip enable (CE) pin can be controlled using the T1 test
point. If this function is not required, the test point can be left
unconnected.
PCB MATERIAL STACK-UP
The evaluation board is built using Rogers 4003C material
(0.008 in.). RF track widths are 0.015 in. to achieve a controlled
50 Ω characteristic impedance. The complete PCB stack-up is
shown in Figure 9.
Figure 8. Evaluation Board Silkscreen—Top View
Rev. 0 | Page 7 of 12
BILL OF MATERIALS
Table 4.
Qty
1
1
1
3
3
1
Er = 3.38. STARTING COPPER WEIGHT 0.5oz/0.5oz
Er = 3.38.STARTING COPPER WEIGHT 0.5oz/0.5oz
Reference
Designator
C1
C2
J1
J2, J3, J4
T1, T2, T3
U1
ROGERS RO4003C LAMINATE 0.008”
ROGERS RO4003C LAMINATE 0.008”
1.5oz (53µm) FINISHED COPPER
0.5oz (18µm) FINISHED COPPER
0.5oz (18µm) FINISHED COPPER
1.5oz (53µm) FINISHED COPPER
Figure 9. Evaluation Board PCB Layer Stack-Up
FR4 PREPREG
0.0372”
Description
0.1 µF, 0603
capacitor
10 pF, 0402
capacitor
2.92 mm RF
connector
3.5 mm RF
SMA connector
Testpoints
ADF5001 RF
prescaler
Supplier/Part Number
Murata
GRM188R71H104KA93D
Murata
GRM1555C1H100JZ01D
Rosenberger 02K243-
40ME3
Johnson Components
142-0701-851
Vero 20-2137
Analog Devices, Inc.,
ADF5001BCPZ
COPPER TO COPPER
0.062” ± 0.003”
ADF5001