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
Mini-Circuits
®
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Typical Performance Data
Electrical Specications
Maximum Ratings
Pin Connections
Features
• very flat coupling
• very broadband, multi octave
• temperature stable, LTCC base
• all welded construction
• leads attached for better solderability
• micro miniature coupler
• aqueous washable
• protected by US Patents 6,140,887 & 6,784,521
Applications
• VHF/UHF receivers/transmitters
• cellular
INPUT 3
OUTPUT 4
COUPLED 1
GROUND 2
ISOLATE (DO NOT USE) 6
Operating Temperature -40°C to 85°C
Storage Temperature -55°C to 100°C
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In CplOut
DBTC-9-4+
MAINLINE LOSS
0.0
0.4
0.8
1.2
1.6
2.0
0 200 400 600 800 1000
FREQUENCY (MHz)
MAINLINE LOSS (dB)
at RF level of -10 dBm
DBTC-9-4+
COUPLING & DIRECTIVITY
8.5
8.7
8.9
9.1
9.3
9.5
0 200 400 600 800 1000
FREQUENCY (MHz)
COUPLING (dB)
0
5
10
15
20
25
DIRECTIVITY (dB)
COUPLING DIRECTIVITY
at RF level of -10 dBm
DBTC-9-4+
RETURN LOSS
0
5
10
15
20
25
30
35
0 200 400 600 800 1000
FREQUENCY (MHz)
RETURN LOSS (dB)
IN OUT CPL
at RF level of -10 dBm
50Ω, 9dB coupling, 5 to 1000 MHz
Directional Couplers
Surface Mount
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS*
(dB)
DIRECTIVITY
(dB)
VSWR**
(:1)
POWER
INPUT
(W)
Max.
Flatness
L M U L M U L MU
f
L
-f
U
Nom. Ty p. Max. Ty p. Max. Ty p. Max. Ty p. Min. Typ. Min. Ty p. Min. Ty p. Max. Max.
5-1000 9.0±0.5 ±0.5 1.2 2.0 1.2 1.8 1.5 2.0 21 17 18 13 15 — 1.2 0.5 1.0
L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to f
U
/2] U = upper range [f
U
/2 to f
U
]
* Includes theoretical coupled power loss of 0.58 dB at 9 dB coupling
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
Demo Board MCL P/N: TB-278
Suggested PCB Layout (PL-150)
No Leads
CASE STYLE:AT790-1
Leads
CASE STYLE:AT1030
DBTC-9-4+
DBTC-9-4L+
Outline Drawing / Dimensions ( )
inch
mm
AT1030 (DBTC-9-4L)
AT790-1 (DBTC-9-4)
A
B
C
D
E
F
G
H
J
K
wt
.150
.150
.150
.050
.030
.025
.028
.050
.160
.030
grams
3.81 3.81 3.81 1.27 0.76 0.64 0.71 1.27 4.06 0.76
0.10
A
B
C
D
E
F
G
H
J
K
L
wt
.166
.150
.155
.050
.037
.025
.012
.060
.184
.030
.004
grams
4.22 3.81 3.94 1.27 0.94 0.64 0.30 1.52 4.67 0.76 0.10
0.10
PCB Land Pattern
Suggested Layout,
Tolerance to be within
±
.002
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
5.00 1.18 8.93 21.62 17.90 24.67 18.40
10.00 1.10 8.89 21.70 19.15 29.04 19.50
50.00 1.07 8.87 21.50 20.07 32.70 20.22
100.00 1.09 8.90 20.99 20.12 31.81 20.27
300.00 1.16 8.93 19.47 20.49 30.43 18.93
500.00 1.20 8.90 17.60 21.02 30.62 16.66
600.00 1.23 8.88 16.50 20.89 30.39 15.36
800.00 1.31 8.86 14.74 20.45 30.31 12.91
900.00 1.37 8.85 14.07 20.06 29.26 11.86
1000.00 1.43 8.86 13.44 19.34 27.16 10.86
REV. K
M151107
DBTC-9-4+ ED-8958/1
DBTC-9-4L+ ED-8958A/1
WZ/TD/CP/AM
150702
Electrical Schematic
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Directional Coupler
Typical Performance Data
(MHz)
(dB)
(dB)
(dB)
5
1.06
8.78
20.88
19.79
30.97
19.72
10
1.05
8.78
20.95
20.03
31.85
19.96
15
1.04
8.78
21.01
20.23
32.52
20.15
20
1.04
8.78
21.01
20.28
32.57
20.20
25
1.05
8.79
21.02
20.33
32.58
20.23
50
1.06
8.80
20.95
20.50
32.20
20.35
100
1.07
8.83
20.74
20.73
31.51
20.46
150
1.08
8.85
20.48
20.86
30.93
20.40
200
1.09
8.85
20.17
20.90
30.41
20.22
250
1.10
8.85
19.85
20.92
29.88
19.92
300
1.11
8.85
19.48
20.91
29.30
19.53
350
1.12
8.85
19.07
20.78
28.84
19.06
400
1.13
8.84
18.63
20.75
28.36
18.56
450
1.14
8.83
18.18
20.59
27.85
18.03
500
1.15
8.83
17.75
20.46
27.24
17.49
550
1.17
8.81
17.30
20.28
26.67
16.95
600
1.18
8.80
16.83
20.13
26.19
16.39
650
1.20
8.79
16.37
19.93
25.61
15.86
700
1.22
8.78
15.93
19.66
24.98
15.35
750
1.25
8.77
15.51
19.39
24.43
14.85
800
1.27
8.75
15.08
19.13
23.90
14.36
850
1.29
8.74
14.68
18.87
23.39
13.89
900
1.33
8.73
14.28
18.53
22.77
13.45
950
1.36
8.72
13.90
18.20
22.13
13.02
1000
1.40
8.71
13.56
17.87
21.66
12.60
1050
1.43
8.70
13.18
17.55
21.15
12.21
1100
1.47
8.69
12.82
17.22
20.58
11.85
1150
1.51
8.68
12.48
16.84
20.05
11.49
1200
1.56
8.67
12.15
16.49
19.49
11.15
1250
1.61
8.66
11.82
16.15
19.01
10.84
1300
1.67
8.65
11.49
15.79
18.47
10.55
1400
1.79
8.62
10.87
15.12
17.49
10.01
1500
1.94
8.59
10.27
14.44
16.47
9.55
1600
2.09
8.56
9.68
13.84
15.58
9.13
1700
2.27
8.52
9.15
13.23
14.68
8.78
1800
2.47
8.47
8.65
12.68
13.91
8.48
1900
2.70
8.43
8.18
12.15
13.07
8.23
2000
2.96
8.37
7.72
11.66
12.43
8.03
2100
3.24
8.31
7.32
11.22
11.76
7.86
2200
3.55
8.25
6.94
10.80
11.13
7.72
2300
3.89
8.20
6.62
10.42
10.58
7.62
2400
4.27
8.14
6.36
10.10
10.04
7.54
2500
4.69
8.09
6.15
9.83
9.56
7.48
2600
5.13
8.03
6.00
9.63
9.11
7.47
2700
5.59
7.99
5.91
9.49
8.73
7.47
2800
6.10
7.95
5.87
9.46
8.32
7.51
2900
6.62
7.94
5.85
9.53
8.00
7.59
3000
7.17
7.93
5.90
9.76
7.71
7.74
3100
7.74
7.95
5.96
10.16
7.41
7.93
3200
8.33
7.99
6.05
10.78
7.16
8.21
3300
8.95
8.08
6.10
11.72
6.93
8.60
3400
9.62
8.20
6.13
13.04
6.69
9.07
3500
10.32
8.38
6.08
14.84
6.48
9.67
IN OUT CPL
(dB)
TEST CONDITIONS: INPUT POWER =0 dBm @Temperature = +25°C
DBTC-9-4+
FREQUENCY DIRECTIVITY
INSERTION
LOSS
COUPLING
LOSS
RETURN LOSS
REV. X1
DBTC-9-4+
081110
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