Surface Mount
Bi-Directional Coupler
High Power, 50Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-55°C to 100°C
-55°C to 100°C
BDCA-10-25
800 to 2500 MHz
Features
•
•
•
•
•
•
•
•
four-port coupler
wideband, 800-2500 MHz
excellent VSWR, 1.15:1 typ., all ports
good flatness, ±0.6 dB typ.
excellent power handling capability, 50W (800-1000 MHz)
hermetically sealed
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: SM1L
PRICE: $5.95 ea. QTY (10-49)
Applications
• cellular, PCS, PCN, UMTS
• ISM
• GPS
MODEL
NO.
FREQ.
RANGE
(MHz)
f
L
-f
U
BDCA-10-25
800-2500
800-1000
1700-2000
1000-2500
Bi-Directional Electrical Specifications
COUPLING
(dB)
Nom.
Max.
Flatness
±2.0
±1.2
±0.6
±1.5
Outline Drawing
MAINLINE LOSS*
(dB)
Typ. Max.
1.0
0.6
1.1
1.0
1.5
1.0
1.5
1.5
DIRECTIVITY
(dB)
Typ. Min.
25
32
23
22
11
20
16
11
VSWR
(:1)
Typ.
1.05
1.05
1.05
1.05
POWER
INPUT**
(W)
Max.
24
50
34
24
10.1±2.0
11.0±0.8
8.5±0.5
9.4±1.2
* Includes theoretical coupled power loss of 0.46 dB at 10 dB coupling.
** Derate linearly to 1/3 at 100°C
Typical Performance Data
Frequency
(MHz)
800.00
900.00
1000.00
1100.00
1300.00
1500.00
1700.00
2000.00
2200.00
2500.00
J
.030
.76
wt.
grams
.3
INSERTION LOSS (dB)
Insertion Loss
(dB)
In-Out
0.51
0.55
0.64
0.72
0.86
0.93
1.02
1.04
1.02
0.98
Coupling
(dB)
In-CPL Out-Term
11.74
11.01
10.39
9.85
9.06
8.63
8.39
8.47
8.82
9.86
11.94
11.20
10.56
10.07
9.49
8.86
8.67
8.73
9.02
9.92
Directivity
(dB)
Out-CPL In-Term
33.32
35.71
38.83
39.71
34.58
30.88
29.45
30.20
29.36
21.31
37.31
39.79
37.62
34.05
29.81
25.68
23.91
22.76
22.31
20.10
In
31.70
30.99
29.41
27.94
25.76
24.58
24.82
27.40
26.92
20.89
Return Loss
(dB)
Out
CPL
31.27
29.85
28.87
27.76
26.33
25.59
25.69
26.41
25.20
20.70
36.30
37.54
38.07
38.46
37.29
36.88
38.65
36.15
27.33
21.30
Term
28.13
25.34
27.99
32.68
34.65
31.32
34.99
37.39
27.99
21.10
Outline Dimensions (
inch
)
mm
A
.250
6.35
K
.095
2.41
B
.300
7.62
L
.330
8.38
C
.070
1.78
M
.100
2.54
D
.320
8.12
N
.020
.51
E
.050
1.27
P
.015
.38
F
.015
.38
Q
.070
1.78
G
.050
1.27
R
.014
.36
H
.075
1.91
BDCA-10-25
INSERTION LOSS
1.20
at RF level of -10 dBm
at RF level of -10 dBm
BDCA-10-25
COUPLING & DIRECTIVITY
COUPLING
DIRECTIVITY
42
COUPLING & DIRECTIVITY(dB)
38
34
30
26
22
18
14
10
6
1.00
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
0.80
0.60
0.40
750
750
1000
1250
1500
1750
2000
2250
2500
1000
1250
1500
1750
2000
FREQUENCY (MHz)
2250
2500
FREQUENCY (MHz)
50
at RF level of -10 dBm
BDCA-10-25
RETURN LOSS
Bi-Directional Coupler
Schematic
IN
OUT
40
RETURN LOSS (dB)
30
20
10
IN
0
750
1000
1250
1500
1750
OUT
CPL
TERM
CPL
FORWARD
CPL
REVERSE
2000
2250
2500
FREQUENCY (MHz)
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
ISO 9001 CERTIFIED
REV. C
M88753
ED-8914/2
BDCA-10-25
LC/TD/CP
030905
MINI [ MINI-CIRCUITS ]
