Surface Mount
BDCA1-7-33+
Bi-Directional Coupler
High Power, 50Ω
1600 to 3300 MHz
Maximum Ratings
Features
CASE STYLE: DZ944
PRICE: $3.95 ea. QTY (10-49)
• wideband, 1600 to 3300 MHz
Operating Temperature
-55°C to 100°C
-55°C to 100°C
• excellent VSWR 1.1:1 typ.
• excellent power handling capability
• hermetically sealed
• low profile
• protected by US Patent 7,049,905
Storage Temperature
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
Pin Connections
INPUT
1
OUTPUT
6
Applications
• defense communication
• ISM
• mobile satellite
• wireless communication
COUPLED (forward)
COUPLED (reverse)
GROUND
10
5
2,3,4,7,8,9
Bi-Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT2
(W)
Max.
Flatness
fL-fU
Nom.
Typ. Max.
Typ. Min.
Typ.
Max.
1600-3300
1600-2200 7.0±0.6
2200-2700 6.5±0.5
2700-3300 7.1±0.6
±1.0
±0.3
±0.7
1.6
1.6
1.6
1.9
1.9
1.9
27
23
21
22
18
17
1.10
1.15
1.15
32
32
24
1. Includes theoretical coupled power loss of 1.0 dB at 7 dB coupling.
2. Derate linearly 1/3 at 100°C
Typical Performance Data
PCB Land Pattern
Frequency Mainline Loss
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
(MHz)
(dB)
In-Out
In-Cpl Fwd
Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev
In
Out
Cpl Fwd
Cpl Rev
1600.00
1800.00
2000.00
2200.00
2400.00
1.25
1.38
1.49
1.59
1.63
7.42
6.97
6.67
6.49
6.41
7.42
6.98
6.68
6.51
6.43
29.58
35.58
32.37
27.61
24.83
31.57
32.54
28.09
24.86
22.95
30.85
40.89
36.34
28.93
25.58
32.38
54.99
32.22
26.79
24.18
33.94
45.06
36.75
32.27
30.95
28.53
30.53
32.19
33.17
32.97
Suggested Layout,
Tolerance to be within ±.002
2600.00
2800.00
3000.00
3200.00
3300.00
1.72
1.64
1.67
1.63
1.58
6.43
6.50
6.74
7.15
7.35
6.47
6.57
6.83
7.20
7.52
23.19
22.30
22.07
22.20
24.60
21.73
21.21
21.12
21.87
23.52
24.33
24.79
27.56
31.40
33.20
23.26
23.63
25.80
28.60
31.52
31.89
34.98
44.47
38.15
36.12
31.67
29.98
29.03
28.84
29.36
inch
Outline Dimensions (
)
mm
A
.30
7.62
B
.250
6.35
C
.052
1.32
D
.262
6.66
E
.050
1.27
F
.050
1.27
G
.012
0.30
BDCA1-7-33
BDCA1-7-33
H
.027
0.69
J
.004
0.10
K
.085
2.16
L
.296
7.52
M
.030
0.76
wt
grams
0.25
COUPLING & DIRECTIVITY
MAINLINE LOSS
at RF level of -10 dBm
at RF level of -10 dBm
2.0
50
IN-CPL FWD
IN-CPL REV
1.8
1.6
1.4
1.2
1.0
40
30
20
10
0
Demo Board MCL P/N:TB-115
Suggested PCB Layout (PL-004)
1600
1940
2280
2620
2960
3300
1600
1940
2280
2620
2960
3300
FREQUENCY (MHz)
FREQUENCY (MHz)
BDCA1-7-33
RETURN LOSS
at RF level of -10 dBm
100
electrical schematic
IN
OUT
CPL FWD
CPL REV
80
60
40
20
0
OUT
IN
CPL
FORWARD
CPL
REVERSE
1600
1940
2280
2620
2960
3300
FREQUENCY (MHz)
REV. C
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
M102713
ED-10880/5
BDCA1-7-33+
LC/TD/CP
060719
Mini-Circuits
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