Surface Mount
DBTC-9-4-75L+
Directional Couplers
75Ω, 9dB Coupling, 5 to 1200 MHz
DBTC-9-4-75+
No Leads
Leads
Maximum Ratings
Features
Operating Temperature
-40°C to 85°C
-55°C to 100°C
CASE STYLE:AT790-1
PRICE: $ 1.99 ea. QTY (25)
CASE STYLE:AT1030
PRICE: $ 2.14 ea. QTY (25)
$ 1.84 ea. QTY (1000)
• very flat coupling
• very broadband, multi octave
• temperature stable, LTCC base
• all welded construction
Storage Temperature
$
1.69 ea. QTY (1000)
Pin Connections
INPUT
• leads attached for better solderability
• micro miniature coupler
• aqueous washable
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
3
4
1
2
6
OUTPUT
• protected by US Patents 6,140,887 & 6,784,521
COUPLED
GROUND
Applications
• CATV
ISOLATE (DO NOT USE)
• wire-line broadband access
Electrical Specifications
inch
Outline Drawing / Dimensions (
)
mm
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
(dB)
DIRECTIVITY
(dB)
VSWR POWER
AT790-1 (DBTC-9-4-75)
(:1)
INPUT
(W)
PCB Land Pattern
Max.
Nom.
Flatness
Typ. Max.
Typ. Min.
Typ.
Max.
5-1200
5-50
9.3±0.5
±0.7
1.3
1.4
1.5
1.8
1.8
1.9
2.1
2.4
20
19
18
17
16
16
15
12
1.3
1.4
1.6
1.8
0.5
0.5
0.5
0.5
50-500
500-1000
1000-1200
Suggested Layout,
Tolerance to be within .002
A
B
C
D
E
F
G
H
J
K
wt
Typical Performance Data
.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
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
In-Out
In-Cpl
In
Out
Cpl
5.00
50.00
1.30
1.25
1.35
1.47
1.59
1.71
1.79
1.85
1.94
2.05
8.95
8.94
9.04
9.17
9.31
9.43
9.50
9.50
9.53
9.55
20.16
20.52
19.88
18.93
18.17
17.66
17.84
18.18
18.33
18.17
17.86
18.77
18.21
14.37
12.71
11.29
10.98
11.17
10.61
10.64
27.44
37.27
24.64
19.25
15.89
13.70
12.74
12.00
11.44
10.96
17.79
18.31
15.38
11.87
9.41
7.55
6.68
6.13
5.87
180.00
340.00
500.00
700.00
850.00
1000.00
1100.00
1200.00
AT1030 (DBTC-9-4-75L)
PCB Land Pattern
5.66
DBTC-9-4-75L+
MAINLINE LOSS
DBTC-9-4-75L+
COUPLING & DIRECTIVITY
Suggested Layout,
Tolerance to be within .002
at RF level of 0 dBm
at RF level of 0 dBm
A
B
C
D
E
F
G
H
J
K
L
wt
3.0
25
20
15
10
5
.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
2.5
2.0
1.5
1.0
0.5
COUPLING
DIRECTIVITY
Demo Board MCL P/N:TB-279
Suggested PCB Layout (PL-151)
0
200
400
600
800
1000
CPL
1000
1200
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
FREQUENCY (MHz)
DBTC-9-4-75L+
RETURN LOSS
at RF level of 0 dBm
40
35
30
25
20
15
10
5
electrical schematic
IN
OUT
0
200
400
600
800
1200
FREQUENCY (MHz)
NEW
ALL
®
minicircuits.com
Mini-Circuits
REV. A
M111888
ISO 9001 ISO 14001 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site ED-12342A/1
DBTC-9-4-75
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DY/RS/CP/AM
080519
RF/IF MICROWAVE COMPONENTS