Typical Performance Data
Outline Drawing
Bi-Directional Electrical Specifications
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Features
cellular, PCS, PCN, UMTS
ISM
GPS
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
Applications
CASE STYLE: SM1L
PRICE: $5.95 ea. QTY (10-49)
Frequency
(MHz)
Insertion Loss
(dB)
In-Out
Coupling
(dB)
Return Loss
(dB)
In
CPL
Out
In-CPL
Out-Term
Directivity
(dB)
Out-CPL
In-Term
Term
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
A
B
C
D
E
F
G
H
J
.250
.300
.070
.320
.050
.015
.050
.075
.030
6.35
7.62
1.78
8.12
1.27
.38
1.27
1.91
.76
K
L
M
N
P
Q
R
wt.
.095
.330
.100
.020
.015
.070
.014
grams
2.41
8.38
2.54
.51
.38
1.78
.36
.3
BDCA-10-25
INSERTION LOSS
0.40
0.60
0.80
1.00
1.20
750
1000
1250
1500
1750
2000
2250
2500
FREQUENCY (MHz)
INSERTION LOSS (dB)
at RF level of -10 dBm
BDCA-10-25
COUPLING & DIRECTIVITY
6
10
14
18
22
26
30
34
38
42
750
1000
1250
1500
1750
2000
2250
2500
FREQUENCY (MHz)
COUPLING & DIRECTIVITY(dB)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
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
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
BDCA-10-25
RETURN LOSS
0
10
20
30
40
50
750
1000
1250
1500
1750
2000
2250
2500
FREQUENCY (MHz)
RETURN LOSS (dB)
IN
OUT
CPL
TERM
at RF level of -10 dBm
f
L
-f
U
FREQ.
RANGE
(MHz)
COUPLING
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
Nom.
Max.
Flatness
MAINLINE LOSS*
(dB)
POWER
INPUT**
(W)
Typ.
Typ. Min.
MODEL
NO.
Typ. Max.
BDCA-10-25
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
1000-2500
9.41.2
1.5
1.0
1.5
22
11
1.05
24
* Includes theoretical coupled power loss of 0.46 dB at 10 dB coupling.
** Derate linearly to 1/3 at 100C
Max.
CPL
FORWARD
CPL
REVERSE
IN
OUT
Bi-Directional Coupler
Schematic
BDCA-10-25
High Power, 50
800 to 2500 MHz
Bi-Directional Coupler
Surface Mount
INTERNET http://www.minicircuits.com
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Distribution Centers
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Mini-Circuits
ISO 9001 CERTIFIED
REV. C
M88753
ED-8914/2
BDCA-10-25
LC/TD/CP
030905
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