Hybrid RF and Microwave Circuit Boards 3
Layer Hybrid PCB Board Made On 13.3mil RO4350B and 31mil RT/Duroid 5880
A type of mixed high frequency PCB made on 13.3mil (0.338mm)
RO4350B and 31mil (0.787mm) RT/duroid 5880. It’s for the application of multi-coupler
antenna.
This
is a 3-layer board that one layer is etched off.
The
basic specifications are as follows:
Base
material: RO4350B 13.3mil (0.338mm) + RT/duroid 5880 31 mil (0.787mm)
Dielectric
constant: 3.48+/-0.05
Layer
count: 3 layers
Via
type: Through holes, blind vias
Format:
160mm x 90mm = 1 type = 1 piece
Surface
finish: Immersion gold
Copper
weight: Outer layer 35μm | Inner layer 35μm
Solder
mask / Legend: Green / White
Final
PCB height: 1.3 mm
Standard:
IPC 6012 Class 2
Packing:
20 panels are packed for shipment.
Lead
time: 20 working days
Shelf
life: 6 months
Properties of RT/duroid 5880:
|
RT/duroid 5880 Typical Value
|
|
Property
|
RT/duroid 5880
|
Direction
|
Units
|
Condition
|
Test Method
|
|
Dielectric
Constant,εProcess
|
2.20
2.20±0.02 spec.
|
Z
|
N/A
|
C24/23/50
C24/23/50
|
1 MHz
IPC-TM-650 2.5.5.3
10 GHz IPC-TM 2.5.5.5
|
|
Dielectric Constant,εDesign
|
2.2
|
Z
|
N/A
|
8GHz to 40 GHz
|
Differential Phase
Length Method
|
|
Dissipation Factor,tanδ
|
0.0004
0.0009
|
Z
|
N/A
|
C24/23/50
C24/23/50
|
1
MHz IPC-TM-650 2.5.5.3
10 GHz IPC-TM 2.5.5.5
|
|
Thermal Coefficient of ε
|
-125
|
Z
|
ppm/℃
|
-50℃to 150℃
|
IPC-TM-650 2.5.5.5
|
|
Volume Resistivity
|
2 x
107
|
Z
|
Mohm cm
|
C/96/35/90
|
ASTM D 257
|
|
Surface Resistivity
|
3 x 107
|
Z
|
Mohm
|
C/96/35/90
|
ASTM D 257
|
|
Specific Heat
|
0.96(0.23）
|
N/A
|
j/g/k
(cal/g/c)
|
N/A
|
Calculated
|
|
Tensile Modulus
|
Test
at 23℃
|
Test
at 100℃
|
N/A
|
MPa(kpsi)
|
A
|
ASTM D 638
|
|
1070(156)
|
450(65)
|
X
|
|
860(125)
|
380(55)
|
Y
|
|
Ultimate Stress
|
29(4.2)
|
20(2.9)
|
X
|
|
27(3.9）
|
18(2.6)
|
Y
|
|
Ultimate Strain
|
6
|
7.2
|
X
|
%
|
|
4.9
|
5.8
|
Y
|
|
Compressive Modulus
|
710(103)
|
500(73)
|
X
|
MPa(kpsi)
|
A
|
ASTM D 695
|
|
710(103)
|
500(73)
|
Y
|
|
940(136)
|
670(97)
|
Z
|
|
Ultimate Stress
|
27(3.9)
|
22(3.2)
|
X
|
|
29(5.3)
|
21(3.1)
|
Y
|
|
52(7.5)
|
43(6.3)
|
Z
|
|
Ultimate Strain
|
8.5
|
8.4
|
X
|
%
|
|
7.7
|
7.8
|
Y
|
|
12.5
|
17.6
|
Z
|
|
Moisture Absorption
|
0.02
|
N/A
|
%
|
0.62"(1.6mm)
D48/50
|
ASTM D 570
|
|
Thermal Conductivity
|
0.2
|
Z
|
W/m/k
|
80℃
|
ASTM C 518
|
|
Coefficient of Thermal Expansion
|
31
48
237
|
X
Y
Z
|
ppm/℃
|
0-100℃
|
IPC-TM-650 2.4.41
|
|
Td
|
500
|
N/A
|
℃TGA
|
N/A
|
ASTM D 3850
|
|
Density
|
2.2
|
N/A
|
gm/cm3
|
N/A
|
ASTM D 792
|
|
Copper Peel
|
31.2(5.5)
|
N/A
|
Pli(N/mm)
|
1oz(35mm)EDC
foil
after solder float
|
IPC-TM-650 2.4.8
|
|
Flammability
|
V-0
|
N/A
|
N/A
|
N/A
|
UL 94
|
|
Lead-free Process Compatible
|
Yes
|
N/A
|
N/A
|
N/A
|
N/A
|
Features and benefits:
1) Lowest
electrical loss for reinforeced PTFE material
2) Enhanced
electrical performance;
3) 16000
square meter workshop;
4) 30000
square meter month capability;
5) 8000
types of PCB's per month;
6) More
than 17 years of PCB experience;
Applications:
Point
to Point Digital Radio Antennas, WiFi Amplifier, Tower-mounted Booster, Power Amplifier, RF Module
BICHENG PCB TEAM PRACTICE:
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