Typical Performance Data
Outline Drawing
Bi-Directional Electrical Specifications
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Features
UMTS
PCS
GPS
TDMA
four-port coupler
wideband, 824-2525 MHz
excellent VSWR, 1.15:1 typ., all ports
minimal variation with temperature
ultra small size
Applications
CASE STYLE: FV1206-1
PRICE: $2.99 ea. QTY (10-49)
$1.99 ea. QTY (1000)
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
INPUT
1
OUTPUT
4
COUPLED (forward)
6
COUPLED (reverse)
3
GROUND
2,5
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Demo Board MCL P/N: TB-255
Suggested PCB Layout (PL-131)
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.
BDCN-17-25
824-2525
16.82.0
3.0
0.6
0.9
13
10
1.2
16
824-894
18.30.6
0.6
0.3
0.8
13
10
1.2
16
880-960
17.60.6
0.6
0.3
0.8
13
10
1.2
16
1710-1880
14.30.6
0.6
0.5
0.9
22
17
1.2
16
1850-1990
14.30.6
0.4
0.5
0.9
22
17
1.2
16
2110-2170
14.30.6
0.4
0.5
0.9
25
20
1.2
16
2375-2525
15.00.6
0.8
0.5
0.9
15
11
1.2
16
* Includes theoretical coupled power loss of 0.1 dB at 17 dB coupling.
** Derate linearly to 8W at 100C
Max.
CPL
FORWARD
CPL
REVERSE
IN
OUT
Bi-Directional Coupler
Schematic
CDMA
ISM
DCS
A
B
C
D
E
F
G
.126
.063
.035
.024
.022
.012
.039
3.20
1.60
0.89
0.61
0.56
0.30
0.99
H
J
K
wt.
.042
.024
.123
grams
1.07
0.61
3.12
.020
BDCN-17-25
INSERTION LOSS
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
INSERTION LOSS (dB)
at RF level of -10 dBm
BDCN-17-25
RETURN LOSS
0
10
20
30
40
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
RETU
RN LOSS (
d
B
)
IN
OUT
CPL
TERM
at RF level of -10 dBm
BDCN-17-25
COUPLING & DIRECTIVITY
6
10
14
18
22
26
30
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
CO
U
P
L
I
NG
&
D
IRE
C
T
I
V
I
T
Y
(
d
B
)
COUPLING
DIRECTIVITY
824.00
0.25
18.40
18.40
13.19
13.24
27.22
27.34
26.50
27.52
1000.00
0.30
17.07
17.08
13.85
13.88
25.83
26.07
25.35
26.82
1500.00
0.42
14.87
14.88
17.67
17.63
23.35
23.34
25.52
25.99
1700.00
0.46
14.45
14.46
20.65
20.43
23.72
23.26
26.46
26.58
1800.00
0.48
14.32
14.33
22.72
22.36
23.44
22.72
27.48
26.58
1880.00
0.48
14.25
14.26
24.64
24.13
23.72
22.87
27.72
26.82
2000.00
0.50
14.22
14.23
27.94
27.40
23.63
23.17
29.06
26.72
2100.00
0.50
14.26
14.26
28.30
27.88
24.33
23.91
29.31
27.02
2300.00
0.51
14.54
14.53
21.69
21.71
25.09
24.22
28.13
28.67
2525.00
0.49
15.18
15.16
15.51
15.42
27.33
26.72
27.50
30.60
BDC1
BDCN-17-25
High Power, 50
824 to 2525 MHz
Bi-Directional Coupler
Surface Mount
INTERNET http://www.minicircuits.com
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Mini-Circuits
ISO 9001 CERTIFIED
REV. OR
M90673
BDCA-17-25
ED-10885/1
AD/TD/CP
040303
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