top hat™
Surface Mount
Directional Coupler
DBTC-12-4-75LX+
75Ω, 12dB Coupling, 5 to 1200 MHz
Maximum Ratings
Features
Operating Temperature
-40°C to 85°C
-55°C to 100°C
• very flat coupling
CASE STYLE: AT1642
PRICE: $2.14 ea. QTY (20)
$1.84 ea. QTY (1000)
• very broadband, multi octave
• temperature stable, LTCC base
• all welded construction
Storage Temperature
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
• leads attached for better solderability
• micro miniature coupler
• aqueous washable
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
INPUT
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
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1 (dB)
DIRECTIVITY
VSWR POWER
(dB)
(:1)
INPUT
(W)
Max.
Flatness
Outline Drawing
Nom.
Typ. Max.
Typ. Min.
Typ.
Max.
5-1200
5-50
12±0.5
±0.6
TOTAL THICKNESS: .013 inch MAX.
1.1
1.1
1.2
1.3
1.8
1.4
1.6
1.9
19
18
17
13
17
15
10
8
1.3
1.3
1.3
1.3
0.5
1.0
1.0
1.0
50-500
500-1000
1000-1200
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
PCB Land Pattern
5.00
50.00
180.00
340.00
500.00
1.11
1.04
1.04
1.01
1.05
11.92
11.93
11.98
11.99
12.00
19.03
19.50
18.67
18.30
16.68
18.05
19.49
19.58
20.15
20.32
22.21
26.11
26.61
23.62
21.63
20.18
21.12
18.80
15.48
12.88
700.00
870.00
1000.00
1100.00
1200.00
1.18
1.28
1.26
1.32
1.38
12.15
12.24
12.29
12.34
12.41
15.13
13.39
12.40
11.84
11.54
18.84
19.80
21.00
22.53
24.40
19.39
18.65
18.94
19.49
20.24
10.88
9.82
9.27
8.90
8.59
Suggested Layout,
Tolerance to be within .002
inch
Outline Dimensions ( mm
)
MAINLINE LOSS
at RF level of -5 dBm
COUPLING & DIRECTIVITY
at RF level of -5 dBm
A
.166
4.22
B
.150
3.81
C
.155
3.94
D
.050
1.27
E
.037
0.94
F
1.6
1.4
1.2
1
25
20
15
10
5
.025
0.64
COUPLING
DIRECTIVITY
G
.012
0.30
H
.060
1.52
J
.184
4.67
K
.030
0.76
L
wt
.004 grams
0.10 0.10
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
0.8
0
200
400
600
800
1000
1200
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
FREQUENCY (MHz)
Electrical Schematic
RETURN LOSS
at RF level of -5 dBm
30
25
20
15
10
5
IN
OUT
CPL
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
Notes
REV. OR
M134942
ED-12343A/1
DBTC-12-4-75LX+
DY/RS/CP/AM
111221
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 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com