Surface Mount
Bi-Directional Coupler
High Power, 50Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-55°C to 100°C
-55°C to 100°C
EW!
N
BDCA-15-25
800 to 2500 MHz
Features
•
•
•
•
•
four-port coupler
wideband, 800-2500 MHz
excellent VSWR, 1.15:1 typ. all ports
minimal variation with temperature
low profile, 0.07" height
Pin Connections
INPUT
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
1
6
10
5
2,3,4,7,8,9
CASE STYLE: DZ944
PRICE: $5.95 ea. QTY (10-49)
Applications
• cellular, PCA, PCN, UMTS
• ISM
• GPS
Outline Drawing
MODEL
NO.
FREQ.
RANGE
(MHz)
f
L
-f
U
BDCA-15-25
800-2500
800-1000
1800-2000
Bi-Directional Electrical Specifications
COUPLING
(dB)
Nom.
15±1.7
16.3±0.8
13.5±0.5
Max.
Flatness
±2.4
±1.1
±0.3
MAINLINE LOSS*
(dB)
Typ. Max.
0.5
0.35
0.55
1.0
0.6
1.0
DIRECTIVITY
(dB)
Typ. Min.
27
27
17
11
19
12
VSWR
(:1)
Typ.
1.20
1.15
1.35
POWER
INPUT**
(W)
Max.
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)
800.00
1000.00
1200.00
1500.00
1700.00
1800.00
2000.00
2100.00
2300.00
2500.00
Insertion Loss
(dB)
In-Out
0.30
0.36
0.44
0.55
0.61
0.64
0.68
0.69
0.69
0.66
Coupling
(dB)
In-CPL Out-Term
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
Directivity
(dB)
Out-CPL In-Term
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
In
30.30
26.70
23.41
19.65
18.00
17.50
16.97
17.07
17.99
20.62
Return Loss
(dB)
Out
CPL
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
Term
34.79
30.07
25.60
20.70
18.55
17.88
17.04
16.93
17.24
18.53
Outline Dimensions (
inch
)
mm
A
.30
7.62
H
.057
1.45
B
.250
6.35
J
.004
0.10
C
.052
1.32
K
.085
2.16
D
.274
6.96
L
.296
7.52
E
.050
1.27
M
.030
0.76
F
.050
1.27
G
.012
0.30
wt
grams
0.25
at RF level of -10 dBm
BDCA-15-25
INSERTION LOSS
46
0.8
INSERTION LOSS (dB)
COUPLING &
DIRECTIVITY(dB)
0.7
0.6
0.5
0.4
0.3
0.2
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
BDCA-15-25
RETURN LOSS
IN
OUT
CPL
TERM
at RF level of -10 dBm
BDCA-15-25
COUPLING AND DIRECTIVITY
COUPLING
DIRECTIVITY
40
34
28
22
16
10
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
at RF level of -10 dBm
50
RETURN LOSS (dB)
45
40
35
30
25
20
15
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
Bi-Directional Coupler
Schematic
IN
OUT
CPL
FORWARD
CPL
REVERSE
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. C
M94608
ED-9168D/1
BDCA-15-25
LC/TD/CP/AM
040930
MINI [ MINI-CIRCUITS ]
