参数资料
型号: EVAL-ADF5000EB2Z
厂商: Analog Devices Inc
文件页数: 10/12页
文件大小: 0K
描述: BOARD EVAL FOR ADF5000
设计资源: ADF500x Gerber Files
标准包装: 1
系列: *
Data Sheet
ADF5000
Rev. A | Page 7 of 12
EVALUATION BOARD PCB
The evaluation board has four connectors as shown in Figure 8.
The RF input connector (J4) is a high frequency precision SMA
connector from Emerson. This connector is mechanically
compatible with SMA, 3.5 mm, and 2.92 mm cables.
09129-
008
Figure 8. Evaluation Board Silkscreen—Top View
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 RO4003C material
(0.008 inch). RF track widths are 0.015 inch to achieve a controlled
50 Ω characteristic impedance. The complete printed circuit
board (PCB) stack-up is shown in Figure 9.
FR4 PREPREG
0.0372”
0.5oz (18m) FINISHED COPPER
ROGERS RO4003C LAMINATE 0.008”
ε
r = 3.38. STARTING COPPER WEIGHT 0.5oz/0.5oz
1.5oz (53m) FINISHED COPPER
0.5oz (18m) FINISHED COPPER
1.5oz (53m) FINISHED COPPER
ROGERS RO4003C LAMINATE 0.008”
ε
r = 3.38. STARTING COPPER WEIGHT 0.5oz/0.5oz
0.062” ± 0.003”
COPPER TO COPPER
09129-
009
Figure 9. Evaluation Board PCB Layer Stack-Up
BILL OF MATERIALS
Table 4.
Qty.
Reference Designator
Description
Supplier
Part Number
1
C1
0.1 F, 0603 capacitor
Murata
GRM188R71H104KA93D
1
C2
10 pF, 0402 capacitor
Murata
GRM1555C1H100JZ01D
3
J1, J2, J3
SMA RF connector
Emerson
142-0701-851
1
J4
SMA RF connector
Emerson
142-0761-801
3
T1, T2, T3
Test points
Vero
20-2137
1
U1
ADF5000 RF prescaler
Analog Devices, Inc.
ADF5000BCPZ
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