Surface Mount
Bi-Directional Coupler
BDCA-15-25
High Power, 50Ω
800 to 2500 MHz
Maximum Ratings
Operating Temperature
Features
• four-portcoupler
-55°C to 100°C
-55°C to 100°C
• wideband,800-2500MHz
• excellent VSWR, 1.15:1 typ. all ports
• minimalvariationwithtemperature
• low profile, 0.07" height
Storage Temperature
CASE STYLE: DZ944
PRICE: $5.95 ea. QTY (10-49)
Pin Connections
INPUT
1
OUTPUT
6
Applications
COUPLED (forward)
COUPLED (reverse)
GROUND
10
5
• cellular, PCA, PCN, UMTS
• ISM
• GPS
2,3,4,7,8,9
Outline Drawing
Bi-Directional Electrical Specifications
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.
BDCA-15-25
800-2500
800-1000
1800-2000
15±1.7
16.3±0.8
13.5±0.5
±2.4
±1.1
±0.3
0.5
0.35 0.6
0.55 1.0
1.0
27
27
17
11
19
12
1.20
1.15
1.35
23
40
28
*
Includes theoretical coupled power loss of 0.14 dB at 15 dB coupling.
** Derate linearly to 1/3 at 100°C
Typical Performance Data
Frequency
(MHz)
Insertion Loss
Coupling
(dB)
In-CPL Out-Term
Directivity
(dB)
Out-CPL In-Term
Return Loss
(dB)
(dB)
In-Out
In
Out
CPL
Term
800.00
1000.00
1200.00
1500.00
1700.00
1800.00
2000.00
2100.00
2300.00
2500.00
0.30
0.36
0.44
0.55
0.61
0.64
0.68
0.69
0.69
0.66
17.09
15.63
14.61
13.70
13.41
13.34
13.33
13.39
13.59
13.96
17.11
15.63
14.61
13.71
13.41
13.34
13.33
13.37
13.57
13.93
35.62
27.89
23.87
19.67
17.68
16.92
15.78
15.31
14.62
14.06
34.78
29.29
25.04
20.19
17.96
17.12
15.69
15.19
14.25
13.64
30.30
26.70
23.41
19.65
18.00
17.50
16.97
17.07
17.99
20.62
31.64
27.33
23.75
19.81
18.18
17.57
17.04
17.02
18.01
20.58
39.42
31.23
25.82
20.85
18.76
18.05
17.05
16.88
17.04
18.22
34.79
30.07
25.60
20.70
18.55
17.88
17.04
16.93
17.24
18.53
inch
Outline Dimensions (
)
mm
A
.30
7.62
B
.250
6.35
C
.052
1.32
D
.274
6.96
E
.050
1.27
F
.050
1.27
G
.012
0.30
BDCA-15-25
INSERTION LOSS
BDCA-15-25
COUPLING AND DIRECTIVITY
at RF level of -10 dBm
46 at RF level of -10 dBm
H
.057
1.45
J
.004
0.10
K
.085
2.16
L
.296
7.52
M
.030
0.76
wt
grams
0.25
0.8
0.7
0.6
0.5
0.4
0.3
0.2
COUPLING
DIRECTIVITY
40
34
28
22
16
10
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
BDCA-15-25
RETURN LOSS
Bi-DirectionalCoupler
Schematic
at RF level of -10 dBm
50
45
40
35
30
25
20
15
IN
OUT
CPL
TERM
OUT
IN
CPL
FORWARD
CPL
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. C
M94608
ED-9168D/1
BDCA-15-25
LC/TD/CP/AM
040930
Mini-Circuits
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