A
B
C
D
E
F
G
H
.250
.300
.070
.320
.050
.015
.050
.075
6.35
7.62
1.78
8.13
1.27
0.38
1.27
1.91
J
K
L
M
N
P
Q
R
wt
.030
.095
.330
.100
.020
.015
.070
.014 grams
0.76
2.41
8.38
2.54
0.51
0.38
1.78
0.36
0.3
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
Mini-Circuits ISO 9001 & ISO 14001 Certified
Typical Performance Data
Bi-Directional Coupler Electrical Specifications
Maximum Ratings
Pin Connections
INPUT
1
OUTPUT
6
COUPLED (forward)
10
COUPLED (reverse)
5
GROUND
2,3,4,7,8,9
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Outline Drawing
Outline Dimensions ( )
inch
mm
BDCA-10-25
MAINLINE LOSS
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
800
1140
1480
1820
2160
2500
FREQUENCY (MHz)
M
A
I
N
L
I
N
E
L
O
S
S
(
d
B
)
at RF level of -10 dBm
BDCA-10-25
COUPLING & DIRECTIVITY
0
10
20
30
40
50
800
1140
1480
1820
2160
2500
FREQUENCY (MHz)
COUPLING
&
DIRECTIVITY
(dB)
IN-CPL FWD
IN-CPL REV
at RF level of -10 dBm
BDCA-10-25+
BDCA-10-25
BDCA-10-25
RETURN LOSS
0
10
20
30
40
50
800
1140
1480
1820
2160
2500
FREQUENCY (MHz)
RETURN
LOSS
(dB)
IN
OUT
CPL FWD
CPL REV
at RF level of -10 dBm
electrical schematic
CPL
FORWARD
CPL
REVERSE
IN
OUT
High Power, 50
800 to 2500 MHz
Bi-Directional Coupler
REV. E
M102713
ED-8914/2
BDCA-10-25
LC/TD/CP
060720
Surface Mount
Features
four-port coupler
wideband, 800 to 2500 MHz
excellent VSWR, 1.05:1 typ. all ports
good flatness, 0.6 dB typ.
excellent power handling capability, 50W (800-1000 MHz)
hermetically sealed
minimal variation with temperature variation
low profile. 0.07" height
protected by US Patent 7,049,905
Applications
cellular, PCS, PCN, UMTS
ISM
GPS
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
In-Out
In-Cpl Fwd
Out-Cpl Rev Out-Cpl Fwd
In-Cpl Rev
In
Out
Cpl Fwd
Cpl Rev
CASE STYLE: SM1L
PRICE: $5.95 ea. QTY (10-49)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
800.00
0.51
11.74
11.94
33.32
37.31
31.70
31.27
36.30
28.13
900.00
0.55
11.01
11.20
35.71
39.79
30.99
29.85
37.54
25.34
1000.00
0.64
10.39
10.56
38.83
37.62
29.41
28.87
38.07
27.99
1100.00
0.72
9.85
10.07
39.71
34.05
27.94
27.76
38.46
32.68
1300.00
0.86
9.06
9.49
34.58
29.81
25.76
26.33
37.29
34.65
1500.00
0.93
8.63
8.86
30.88
25.68
24.58
25.59
36.88
31.32
1700.00
1.02
8.39
8.67
29.45
23.91
24.82
25.69
38.65
34.99
2000.00
1.04
8.47
8.73
30.20
22.76
27.40
26.41
36.15
37.39
2200.00
1.02
8.82
9.02
29.36
22.31
26.92
25.20
27.33
27.99
2500.00
0.98
9.86
9.92
21.31
20.10
20.89
20.70
21.30
21.10
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
2
(W)
f
L
-f
U
Nom.
Max.
Flatness
Typ. Max.
Typ. Min.
Typ.
Max.
800-2500
10.12.0
2.0
1.0
1.5
25
11
1.05
24
800-1000
11.00.8
1.2
0.6
1.0
32
20
1.05
50
1700-2000
8.50.5
0.6
1.1
1.5
23
16
1.05
34
2000-2500
9.41.2
1.5
1.0
1.5
22
11
1.05
24
1. Includes theoretical power loss of 0.46 dB at 10 dB coupling.
2. Derate linearly 1/3 at 100C
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
PDF 
ZIP