MULTILAYER DEVICES
WIDEBAND DIPLEXER FOR DUAL BAND
LFDP15/20 Series
FEATURES
I
Ultraminiature SMD type, reflow solderable
I
External dimensions: 3.2 x 1.6 x 1.1mm
I
Low insertion loss, high isolation, no distortion
I
No power consumption
I
Adjustment-free
I
Antenna matching circuit can be integrated depending
on customer’s requirement
EQUIVALENT CIRCUIT
f1
P1
P2
f1 & f2
*f1 and f2 indicate frequencies.
f1 > f2
P2
f2
LFDP15 TYPE
L
A
W
T
b
a1 e
p
LFDP20 TYPE
Dimensions: mm
L
Top View
Bottom View
a2
W
c1
c2
Dimensions: mm
a
p
Code
L
W
T
a1
Dimensions
2.00 ± 0.15
1.25 ± 0.10
0.95 ± 0.10
0.3 +0.1/–0.15
Code
a2
b
c1
c2
Dimensions
0.3 +0.1/–0.15
0.20 ± 0.15
0.3 +0.1/–0.2
0.3 +0.1/–0.2
Code
e
p
—
—
Dimensions
0.35 ± 0.10
0.65 ± 0.05
—
—
T
TERMINAL CONFIGURATION
Terminal No.
Terminal Name
P2 (*1)
GND
P1 (*2)
NC
Terminal No.
Terminal Name
GND
P3
(*3)
GND
NC
Code
L
W
T
Dimensions
3.2 ± 0.15
1.6 ± 0.15
1.1 ± 0.1
Code
a
p
—
Dimensions
0.55 ± 0.15
1.0 ± 0.1
—
TERMINAL CONFIGURATION
Terminal No.
Terminal Name
P2 (*1)
GND
P1 (*2)
Terminal No.
Terminal Name
GND
P3
(*3)
GND
*1= Lower Frequency Port; *2= Higher Frequency Port; *3= Common Port.
Terminal of “NC” should be fixed to the no connected pattern.
LAND PATTERN
LAND
SOLDER RESIST
NO PATTERN
SOLDER RESIST
0.8
1.65
*1= Lower Frequency Port; *2= Higher Frequency Port; *3= Common Port.
Terminal of “NC” should be fixed to the no connected pattern.
LAND PATTERN
0.35
0.9
0.15
0.1
0.65
1.4
0.3
0.3
0.1
0.8
1.5
0.85
0.9
1.4
1.05
LAND
SOLDER RESIST
0.3
0.9
NO PATTERN
SOLDER RESIST
0.8
0.3
0.35
0.15
0.2
0.1
Unit: mm
Unit: mm
0.65 0.65
0.35
Line width to be designed to match 50
and thickness.
characteristic impedance, depending on PCB material
SPECIFICATIONS (–40 to +85°C)
Pass Band Range
Application
Part Number
LFDP15N0039A
LFDP20N0022A
LFDP15N0044A
LFDP20N0020A
LFDP15N0049A
LFDP20N0031A
f1 (MHz)
1920 ± 70
1920 ± 70
1795 ± 85
1795 ± 85
f2 (MHz)
859 ± 35
859 ± 35
920 ± 40
920 ± 40
Insertion Loss (dB max.)
P1 ~ P3 (at f1)
P1 ~ P3 (at f2)
25°C Over Temp. 25°C Over Temp.
0.45
0.55
0.40
0.50
0.45
0.55
0.55
0.5
0.65
0.55
0.65
0.65
0.60
0.75
0.40
0.50
0.50
0.45
0.60
0.50
0.60
0.60
0.55
0.70
Attenuation (dB min.)
P1 ~ P3
P2 ~ P3
at f2
at f1
19
20
20
20
20
20
20
20
16
16
17
16
VSWR (max.)
P1
P2
P3
at f1 at f2 at f1, f2
1.70 1.70
1.70
1.55 1.55
1.80 1.80
1.65 1.65
1.70 1.70
1.65 1.65
1.55
1.80
1.65
1.70
1.65
MULTILAYER DEVICES
AMPS/PCS
GSM/DCS1800
AMPS/PCS LO
1750 ± 30 967 ± 12.5
1745 ± 35 965 ± 15
Power capacity: 3 Watts
This is a limited list. Other frequencies available.
CG01-J
365
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