鈥?/div>
four-port coupler
wideband, 1200-2500 MHz
excellent VSWR, 1.05:1 typ., all ports
good flatness, 鹵0.3 dB typ.
excellent power handling capability, 35W (2100 MHz)
hermetically sealed
minimal variation with temperature
low profile, 0.052" height
PCS, PCN, UMTS
ISM
GPS
defense
FREQ.
RANGE
(MHz)
f
L
-f
U
1200-2500
1200-1700
1700-2100
2100-2500
Pin Connections
INPUT
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
1
6
10
5
2,3,4,7,8,9
CASE STYLE: DZ944
PRICE: $5.95 ea. QTY (10-49)
Applications
Outline Drawing
Bi-Directional Electrical Specifications
MAINLINE LOSS*
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT**
(W)
Max.
35
35
27
COUPLING
(dB)
Max.
Flatness
鹵0.8
鹵0.3
鹵1.0
Nom.
7.1鹵0.8
6.5鹵0.5
7.0鹵0.8
Typ. Max.
1.5
1.6
1.5
1.9
2.0
2.0
Typ. Min.
22
22
22
19
14
12
Typ.
1.08
1.05
1.10
* Includes theoretical coupled power loss of 1.0 dB at 7 dB coupling.
** Derate linearly to 1/3 at 100擄C
Typical Performance Data
Frequency
(MHz)
1200.00
1250.00
1300.00
1500.00
1700.00
1860.00
2100.00
2260.00
2420.00
2500.00
Insertion Loss
(dB)
In-Out
1.20
1.25
1.30
1.47
1.59
1.66
1.70
1.69
1.64
1.60
BDCA-7-25
INSERTION LOSS
Coupling
(dB)
In-CPL Out-Term
7.44
7.25
7.10
6.62
6.36
6.30
6.39
6.57
6.84
7.01
7.44
7.26
7.09
6.62
6.37
6.30
6.38
6.56
6.84
7.00
Directivity
(dB)
Out-CPL In-Term
28.71
28.83
28.92
26.70
23.78
21.94
19.67
18.53
17.58
17.10
30.67
32.19
33.55
32.36
26.87
23.76
20.71
19.15
17.85
17.32
In
33.76
34.26
34.75
29.75
25.23
23.19
21.34
20.76
20.67
20.88
Return Loss
(dB)
Out
CPL
38.52
41.86
58.50
32.95
26.63
23.89
21.69
21.18
21.04
21.37
34.05
36.87
42.17
35.05
27.37
24.17
21.28
20.21
19.83
19.63
Term
31.62
33.16
34.02
30.66
25.76
23.22
20.95
20.12
19.80
19.70
Outline Dimensions (
inch
)
mm
A
.30
7.62
H
.057
1.45
B
.250
6.35
J
.004
0.10
C
.052
1.32
K
.085
2.16
D
.274
6.96
L
.296
7.52
E
.050
1.27
M
.030
0.76
F
.050
1.27
G
.012
0.30
wt
grams
0.25
INSERTION LOSS (dB)
BDCA-7-25
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
COUPLING & DIRECTIVITY
(dB)
1.8
40
35
30
25
20
15
10
5
0
1200
1400
1600 1800 2000 2200
FREQUENCY (MHz)
2400
2600
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
1.6
1.4
1.2
1.0
1200
1400
1600
1800
2000
2200
2400
2600
FREQUENCY (MHz)
BDCA-7-25
RETURN LOSS
70
RETURN LOSS (dB)
60
50
40
30
20
10
at RF level of -10 dBm
Bi-Directional Coupler
Schematic
IN
OUT
CPL
FORWARD
IN
OUT
1600
1800
CPL
REVERSE
CPL
2000
2200
TERM
2400
2600
0
1200
1400
FREQUENCY (MHz)
Mini-Circuits
廬
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 鈥?417-335-5935 鈥?Fax 417-335-5945 鈥?EUROPE 44-1252-832600 鈥?Fax 44-1252-837010
ISO 9001 CERTIFIED
REV. A
M92913
ED-10880A/1
BDCA-7-25
LC/TD/CP/AM
040609
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