Bi-Directional Coupler
50Ω
7dB Coupling
-55°C to 100°C
-55°C to 100°C
High Power
BDCN-7-25+
CASE STYLE: FV1206-1
PRICE: $2.99 ea. QTY (20)
$2.11 ea. QTY (1000)
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
and Reel
Available Tape cost
at no extra
824 to 2525 MHz
Features
• four-port coupler
• wideband, 824 to 2525 MHz
• excellent VSWR, 1.15:1 typ., all ports
• ultra small size, hermetically sealed
• minimal variation with temperature
Maximum Ratings
Operating Temperature
Storage Temperature
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
INPUT
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
1
4
6
3
2,5
Applications
• UMTS
• PCS
• GPS
• TDMA
• CDMA
• ISM
• DCS
COUPLING
(dB)
Nom.
8.2±1.9
10.0±0.4
9.3±0.5
6.5±0.3
6.4±0.3
6.4±0.3
6.8±0.4
Max.
Flatness
±2.0
±0.3
±0.3
±0.3
±0.3
±0.3
±0.4
Reel Size
7”
Devices/Reel
20, 50, 100, 200, 500,1000, 3000
Electrical Specifications
MAINLINE LOSS
1
(dB)
Typ.
1.3
0.8
0.8
1.5
1.5
1.5
1.5
Max.
2.0
1.1
1.2
2.0
2.0
2.0
2.0
FREQUENCY
(MHz)
f
L
-f
U
824-2525
824-894
880-960
1710-1880
1850-1990
2110-2170
2375-2525
DIRECTIVITY
(dB)
Typ.
20
16
16
19
20
22
20
Min.
11
11
11
14
15
16
14
VSWR
(:1)
Typ.
1.15
1.15
1.15
1.15
1.15
1.15
1.15
POWER
INPUT
2
(W)
Max.
15
15
15
15
15
15
15
Outline Drawing
(ON TOP)
(ON TOP)
1. Includes theoretical power loss of 0.7 dB at 8.2 dB coupling.
2. Derate linearly 8W at 100°C
Typical Performance Data
Directivity
(dB)
Out-Cpl Fwd
15.42
15.56
15.60
15.76
17.09
17.84
18.54
18.72
19.46
20.50
21.11
23.75
26.28
In-Cpl Rev
15.63
15.79
15.82
16.01
17.72
18.66
19.50
19.72
20.58
21.78
22.48
25.56
28.54
In
27.97
27.50
27.38
26.82
25.45
25.62
25.85
25.95
26.13
26.94
27.25
29.26
31.83
PCB Land Pattern
Frequency
(MHz)
824.00
880.00
894.00
960.00
1500.00
1710.00
1850.00
1880.00
1990.00
2110.00
2170.00
2375.00
2525.00
Mainline Loss
(dB)
In-Out
0.70
0.76
0.78
0.85
1.37
1.49
1.54
1.54
1.56
1.56
1.54
1.48
1.39
BDCN-7-25+
MAINLINE LOSS
Coupling
(dB)
In-Cpl Fwd
9.97
9.54
9.44
9.01
6.84
6.49
6.38
6.37
6.35
6.40
6.46
6.78
7.17
Out-Cpl Rev
9.96
9.54
9.45
9.01
6.87
6.52
6.40
6.39
6.37
6.43
6.48
6.80
7.19
Return Loss
(dB)
Out
27.68
27.47
27.36
26.74
25.19
25.57
26.01
26.25
26.63
27.90
28.19
30.33
32.84
Cpl Fwd
37.99
37.28
37.12
36.23
35.88
37.59
38.24
38.47
38.48
37.15
36.84
34.19
32.37
Cpl Rev
38.65
37.67
37.46
36.08
31.13
30.76
30.27
30.25
29.80
29.26
29.11
28.53
28.22
Suggested Layout,
Tolerance to be within
±.002
Outline Dimensions (
inch
)
mm
A
.126
3.20
G
.039
0.99
B
.063
1.60
H
.024
0.61
C
.035
0.89
J
.042
1.07
D
.024
0.61
K
.123
3.12
E
.022
0.56
F
.011
0.28
wt
grams
.020
BDCN-7-25+
COUPLING & DIRECTIVITY
40
COUPLING IN-CPL FWD
COUPLING &
DIRECTIVITY(dB)
30
20
10
0
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
DIRECTIVITY IN-CPL REV
2.0
MAINLINE LOSS (dB)
1.6
1.2
0.8
0.4
0.0
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
Demo Board MCL P/N: TB-255+
Suggested PCB Layout (PL-131)
45
RETURN LOSS (dB)
40
35
30
25
20
BDCN-7-25+
RETURN LOSS
Electrical Schematic
IN
OUT
CPL FWD
CPL REV
15
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
Notes
A.
Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B.
Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C.
The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. B
M123210
EDR-8041/1
BDCN-7-25+
AD/CP/AM
130226
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