Surface Mount
Bi-Directional Coupler
High Power, 50Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-55°C to 100°C
-55°C to 100°C
BDCN-17-25+
BDCN-17-25
824 to 2525 MHz
Features
•
•
•
•
•
•
•
•
•
four-port coupler
wideband, 824-2525 MHz
excellent VSWR, 1.2:1 typ., all ports
minimal variation with temperature
ultra small size
UMTS
PCS
GPS
TDMA
• CDMA
• ISM
• DCS
CASE STYLE: FV1206-1
PRICE: $2.99 ea. QTY (10-49)
$1.99 ea. QTY (1000)
Pin Connections
INPUT
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
1
4
6
3
2,5
Applications
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
See our web site for RoHS Compliance methodologies
and qualifications.
Bi-Directional Electrical Specifications
Outline Drawing
MODEL
NO.
FREQ.
RANGE
(MHz)
f
L
-f
U
BDCN-17-25
(+)
824-2525
824-894
880-960
1710-1880
1850-1990
2110-2170
2375-2525
COUPLING
(dB)
Nom.
16.8±2.0
18.3±0.6
17.6±0.6
14.3±0.6
14.3±0.6
14.3±0.6
15.0±0.6
Max.
Flatness
±3.0
±0.6
±0.6
±0.6
±0.4
±0.4
±0.8
MAINLINE LOSS*
(dB)
Typ.
0.6
0.3
0.3
0.5
0.5
0.5
0.5
Max.
0.9
0.8
0.8
0.9
0.9
0.9
0.9
DIRECTIVITY
(dB)
Typ.
13
13
13
22
22
25
15
Min.
10
10
10
17
17
20
11
VSWR
(:1)
Typ.
1.2
1.2
1.2
1.2
1.2
1.2
1.2
POWER
INPUT**
(W)
Max.
16
16
16
16
16
16
16
* Includes theoretical coupled power loss of 0.1 dB at 17 dB coupling.
** Derate linearly to 8W at 100°C
Typical Performance Data
Frequency
(MHz)
824.00
1000.00
1500.00
1700.00
1800.00
1880.00
2000.00
2100.00
2300.00
2525.00
Insertion Loss
(dB)
In-Out
0.25
0.30
0.42
0.46
0.48
0.48
0.50
0.50
0.51
0.49
BDCN-17-25
INSERTION LOSS
Coupling
(dB)
In-CPL Out-Term
18.40
17.07
14.87
14.45
14.32
14.25
14.22
14.26
14.54
15.18
18.40
17.08
14.88
14.46
14.33
14.26
14.23
14.26
14.53
15.16
Directivity
(dB)
Out-CPL In-Term
13.19
13.85
17.67
20.65
22.72
24.64
27.94
28.30
21.69
15.51
13.24
13.88
17.63
20.43
22.36
24.13
27.40
27.88
21.71
15.42
In
27.22
25.83
23.35
23.72
23.44
23.72
23.63
24.33
25.09
27.33
Return Loss
(dB)
Out
CPL
27.34
26.07
23.34
23.26
22.72
22.87
23.17
23.91
24.22
26.72
26.50
25.35
25.52
26.46
27.48
27.72
29.06
29.31
28.13
27.50
Term
27.52
26.82
25.99
26.58
26.58
26.82
26.72
27.02
28.67
30.60
Outline Dimensions (
inch
)
mm
A
.126
3.20
G
.039
0.99
B
.063
1.60
H
.042
1.07
C
.037
0.94
J
.024
0.61
D
.024
0.61
K
.123
3.12
E
.022
0.56
F
.012
0.30
INSERTION LOSS (dB)
BDCN-17-25
COUPLING & DIRECTIVITY
30
COUPLING &
DIRECTIVITY(dB)
26
22
18
14
10
COUPLING
1.0
0.8
0.6
0.4
0.2
0.0
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
BDCN-17-25
RETURN LOSS
wt
grams
.020
Demo Board MCL P/N: TB-255
Suggested PCB Layout (PL-131)
DIRECTIVITY
6
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
40
RETURN LOSS (dB)
30
Bi-Directional Coupler
Schematic
IN
OUT
20
10
IN
CPL
OUT
TERM
0
800 1000 1200 1400 1600 1800 2000 2200 2400 2600
FREQUENCY (MHz)
CPL
FORWARD
CPL
REVERSE
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
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NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
REV. A
M98898
BDCA-17-25
ED-10885/1
AD/TD/CP
050615
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