Typical Performance Data
Bi-Directional Electrical Specifications
Maximum Ratings
Pin Connections
Features
PCS, PCN, UMTS
ISM
GPS
defense
four-port coupler
wideband, 1200-2500 MHz
excellent VSWR, 1.05:1 typ., all ports
good flatness, 0.3 dB typ.
excellent power handling capability, 35W (2100 MHz)
hermetically sealed
minimal variation with temperature
low profile, 0.052" height
Applications
CASE STYLE: DZ944
PRICE: $5.95 ea. QTY (10-49)
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
1200-2500
1200-1700
7.10.8
0.8
1.5
1.9
22
19
1.08
35
1700-2100
6.50.5
0.3
1.6
2.0
22
14
1.05
35
2100-2500
7.00.8
1.0
1.5
2.0
22
12
1.10
27
INPUT
1
OUTPUT
6
COUPLED (forward)
10
COUPLED (reverse)
5
GROUND
2,3,4,7,8,9
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
f
L
-f
U
FREQ.
RANGE
(MHz)
COUPLING
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
Nom.
Max.
Flatness
MAINLINE LOSS*
(dB)
POWER
INPUT**
(W)
Typ.
Typ. Max.
Typ. Min.
Max.
* Includes theoretical coupled power loss of 1.0 dB at 7 dB coupling.
** Derate linearly to 1/3 at 100C
BDCA-7-25
INSERTION LOSS
1.0
1.2
1.4
1.6
1.8
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
IN
SER
T
I
ON
LOSS (
d
B)
at RF level of -10 dBm
BDCA-7-25
RETURN LOSS
0
10
20
30
40
50
60
70
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
RE
T
URN LO
S
S
(
d
B
)
IN
OUT
CPL
TERM
at RF level of -10 dBm
BDCA-7-25
COUPLING & DIRECTIVITY
0
5
10
15
20
25
30
35
40
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
CO
UP
LING
&
DIRE
CT
IV
IT
Y
(d
B)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
Outline Drawing
Outline Dimensions ( )
inch
mm
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
A
B
C
D
E
F
G
.30
.250
.052
.274
.050
.050
.012
7.62
6.35
1.32
6.96
1.27
1.27
0.30
H
J
K
L
M
wt
.057
.004
.085
.296
.030
grams
1.45
0.10
2.16
7.52
0.76
0.25
CPL
FORWARD
CPL
REVERSE
IN
OUT
Bi-Directional Coupler
Schematic
BDCA-7-25
High Power, 50
1200 to 2500 MHz
Bi-Directional Coupler
Surface Mount
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
ISO 9001 CERTIFIED
REV. A
M92913
ED-10880A/1
BDCA-7-25
LC/TD/CP/AM
040609
NEW!
1200.00
1.20
7.44
7.44
28.71
30.67
33.76
38.52
34.05
31.62
1250.00
1.25
7.25
7.26
28.83
32.19
34.26
41.86
36.87
33.16
1300.00
1.30
7.10
7.09
28.92
33.55
34.75
58.50
42.17
34.02
1500.00
1.47
6.62
6.62
26.70
32.36
29.75
32.95
35.05
30.66
1700.00
1.59
6.36
6.37
23.78
26.87
25.23
26.63
27.37
25.76
1860.00
1.66
6.30
6.30
21.94
23.76
23.19
23.89
24.17
23.22
2100.00
1.70
6.39
6.38
19.67
20.71
21.34
21.69
21.28
20.95
2260.00
1.69
6.57
6.56
18.53
19.15
20.76
21.18
20.21
20.12
2420.00
1.64
6.84
6.84
17.58
17.85
20.67
21.04
19.83
19.80
2500.00
1.60
7.01
7.00
17.10
17.32
20.88
21.37
19.63
19.70
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