Surface Mount
Bi-Directional Coupler
BDCA1-10-40
High Power, 50Ω
1600 to 4000 MHz
Maximum Ratings
Operating Temperature
Features
• four-port
-55°C to 100°C
-55°C to 100°C
• wideband,1600-4000MHz
• excellent VSWR 1.2:1 typ. all ports
• good flatness, ±0.5
Storage Temperature
CASE STYLE: DZ944
PRICE: $5.95 ea. QTY (10-49)
• excellentpowerhandlingcapability
• hermeticallysealed
Pin Connections
INPUT
• minimalvariationwithtemperature
1
OUTPUT
6
Applications
• mobilesatellite
• wirelesscommunication
• ISM, PCS
COUPLED (forward)
COUPLED (reverse)
GROUND
10
5
2,3,4,7,8,9
Bi-Directional Electrical Specifications
Outline Drawing
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.
BDCA1-10-40
1600-4000
1600-1800
1800-2200
2200-2900
2900-3500
3500-4000
10.1±0.7
9.5±0.7
9.1±0.5
9.6±0.9
10.8±1.0
±0.7
±0.8
±0.5
±1.0
±1.5
0.8
1.0
1.05 1.4
1.15 1.4
1.05 1.4
1.1
1.3
21
20
20
22
18
18
17
16
16
11
1.1
1.1
1.2
1.2
1.25
24
20
16
14
12
* Includes theoretical coupled power loss of 0.46dB at 10 dB coupling.
**Derate linearly to 1/3 at 100°C
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
Coupling
(dB)
In-CPL Out-Term
Directivity
(dB)
Out-CPL In-Term
Return Loss
(dB)
In-Out
In
Out
CPL
Term
1600.00
1800.00
2000.00
2200.00
2500.00
2900.00
3200.00
3500.00
3800.00
4000.00
0.73
0.82
0.90
0.97
1.04
1.09
1.08
1.06
1.01
0.97
10.38
9.83
9.45
9.22
9.06
9.23
9.47
10.01
10.82
11.51
10.35
9.82
9.44
9.21
9.09
9.17
9.53
10.17
10.91
11.60
22.15
21.29
20.61
20.25
20.09
21.21
22.68
24.81
22.98
20.98
22.21
21.91
21.43
21.19
21.66
25.85
33.09
27.65
20.42
17.71
30.29
29.24
26.20
23.61
22.81
24.12
29.13
36.17
33.18
31.77
35.96
37.69
28.78
24.59
22.48
23.79
30.80
32.26
28.51
26.97
24.62
28.63
29.26
26.38
22.34
21.32
24.69
28.32
33.41
27.56
25.69
33.72
36.30
28.57
22.52
21.84
24.37
28.37
33.47
32.91
inch
Outline Dimensions (
)
mm
A
.30
B
.250
6.35
C
.052
1.32
D
.274
6.96
E
.050
1.27
F
.050
1.27
G
.012
0.30
7.62
BDCA1-10-40
INSERTION LOSS
BDCA1-10-40
COUPLING & DIRECTIVITY
at RF level of -10 dBm
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
70
60
50
40
30
20
10
0
H
.057
1.45
J
.004
0.10
K
.085
2.16
L
.296
7.52
M
.030
0.76
wt
grams
0.25
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
1600 1900 2200 2500 2800 3100 3400 3700 4000
FREQUENCY (MHz)
1600 1900 2200 2500 2800 3100 3400 3700 4000
FREQUENCY (MHz)
BDCA1-10-40
RETURN LOSS
60
55
50
45
40
35
30
25
20
15
IN
OUT
TERM
Bi-DirectionalCoupler
Schematic
COUPLING
OUT
IN
CPL
CPL
FORWARD
REVERSE
1600 1900 2200 2500 2800 3100 3400 3700 4000
FREQUENCY (MHz)
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M91364
ED-11305/1
BDCA1-10-40
LC/TD/CP/AM
041112
Mini-Circuits
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