Surface Mount
Bi-Directional Coupler
BDCN-15-25
High Power, 50Ω
824 to 2525 MHz
Maximum Ratings
OperatingTemperature
Features
• four-port coupler
-55°C to 100°C
-55°C to 100°C
• wideband, 824-2525 MHz
• excellent VSWR, 1.15:1 typ., all ports
• minimal variation with temperature
• ultra small size
StorageTemperature
CASE STYLE: FV1206-1
PRICE: $2.99 ea. QTY (10-49)
$1.99 ea. QTY (1000)
Pin Connections
INPUT
Applications
1
4
• UMTS
• PCS
• CDMA
• ISM
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
6
• GPS
• DCS
• TDMA
3
2,5
Bi-Directional Electrical Specifications
Outline Drawing
MODEL
NO.
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS*
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT**
(W)
Max.
fL-fU
Nom.
Flatness
Typ. Max.
Typ. Min.
Typ.
Max.
BDCN-15-25
824-2525
824-894
880-960
1710-1880
1850-1990
2110-2170
2375-2525
14.5±2.0
15.0±0.6
14.5±0.6
12.5±0.6
12.6±0.6
13.3±0.6
15.5±0.6
±3.0
±0.6
±0.6
±0.4
±0.4
±0.5
±1.5
0.6
0.4
0.5
0.6
0.5
0.6
0.6
0.9
0.8
0.9
0.9
0.9
1.0
1.0
13
12
13
22
22
22
12
8
8
8
16
16
16
8
1.2
1.2
1.2
1.2
1.2
1.2
1.2
16
16
16
16
16
16
16
*
Includes theoretical coupled power loss of .14 dB at 15 dB coupling.
** Derate linearly to 8W at 100°C
Typical Performance Data
Frequency
(MHz)
InsertionLoss
Coupling
(dB)
In-CPL Out-Term
Directivity
(dB)
Out-CPL In-Term
Return Loss
(dB)
(dB)
In-Out
In
Out
CPL
Term
824.00
1000.00
1500.00
1700.00
1840.00
1990.00
2070.00
2170.00
2350.00
2525.00
0.37
0.44
0.59
0.61
0.62
0.62
0.62
0.60
0.58
0.55
15.28
14.11
12.54
12.47
12.61
12.94
13.21
13.65
14.78
16.45
15.27
14.11
12.55
12.47
12.61
12.93
13.20
13.63
14.74
16.40
11.53
12.25
16.08
19.01
22.34
29.95
45.18
29.61
18.39
12.11
11.52
12.24
16.10
19.05
22.42
29.96
44.15
29.91
18.50
12.23
26.01
25.11
24.39
25.23
25.17
25.23
25.18
25.36
25.16
24.12
27.03
25.83
23.75
23.52
24.04
24.26
24.44
25.28
25.93
25.98
25.99
24.37
23.65
24.34
25.02
26.32
26.72
27.35
28.29
28.45
25.58
24.79
24.79
26.21
26.08
26.52
26.51
27.20
26.93
25.25
inch
Outline Dimensions (
)
mm
A
.126
3.20
B
.063
1.60
C
.035
0.89
D
.024
0.61
E
.022
0.56
F
.012
0.30
G
BDCN-15-25
BDCN-15-25
INSERTION LOSS
.039
0.99
COUPLING & DIRECTIVITY
at RF level of -10 dBm
58
54
50
46
42
38
34
30
26
22
18
14
10
6
0.8
0.6
0.4
0.2
0.0
H
.042
1.07
J
.024
0.61
K
.123
3.12
wt.
grams
.020
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-255
Suggested PCB Layout (PL-131)
800
1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
800
1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
BDCN-15-25
RETURN LOSS
at RF level of -10 dBm
40
30
20
10
0
Bi-Directional Coupler
Schematic
OUT
IN
CPL
CPL
IN
OUT
CPL
TERM
FORWARD
REVERSE
800
1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M90673
BDCA-15-25
ED-10885/2
AD/TD/CP
040303
Mini-Circuits
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
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