Permanent damage may occur if any of these limits are exceeded.
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
ISOLATE (DO NOT USE)
3
4
1
2
6
• 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
CASE STYLE: AT1667-1
PRICE: $1.99 ea. QTY (20)
$1.69 ea. QTY (1000)
+ 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.
Applications
FREQ.
(MHz)
• CATV
• wire-line broadband access
COUPLING
(dB)
Nom.
12±0.5
Max.
Flatness
±0.6
Electrical Specifications
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
Typ.
19
18
17
13
Min.
17
15
10
8
VSWR
(:1)
Typ.
1.3
1.3
1.3
1.3
Outline Drawing
5-1200
5-50
50-500
500-1000
1000-1200
POWER
INPUT
(W)
Max.
0.5
1.0
1.0
1.0
Typ.
1.1
1.1
1.2
1.3
Max.
1.8
1.4
1.6
1.9
Typical Performance Data
TOTAL THICKNESS: .013 inch MAX.
Frequency
(MHz)
5.00
50.00
180.00
340.00
500.00
700.00
870.00
1000.00
1100.00
1200.00
Mainline Loss
(dB)
In-Out
1.11
1.04
1.04
1.01
1.05
1.18
1.28
1.26
1.32
1.38
Coupling
(dB)
In-Cpl
11.92
11.93
11.98
11.99
12.00
12.15
12.24
12.29
12.34
12.41
Directivity
(dB)
19.03
19.50
18.67
18.30
16.68
15.13
13.39
12.40
11.84
11.54
In
18.05
19.49
19.58
20.15
20.32
18.84
19.80
21.00
22.53
24.40
Return Loss
(dB)
Out
22.21
26.11
26.61
23.62
21.63
19.39
18.65
18.94
19.49
20.24
Cpl
20.18
21.12
18.80
15.48
12.88
10.88
9.82
9.27
8.90
8.59
PCB Land Pattern
Suggested Layout,
Tolerance to be within
±.002
Outline Dimensions (
inch
)
mm
MAINLINE LOSS (dB)
DBTC-12-4-75L+
MAINLINE LOSS
1.6
1.4
1.2
1
0.8
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
DBTC-12-4-75L+
RETURN LOSS
30
RETURN LOSS (dB)
25
20
15
10
5
0
200
400
600
800
FREQUENCY (MHz)
1000
1200
®
at RF level of -5 dBm
at RF level of -5 dBm
DBTC-12-4-75L+
COUPLING & DIRECTIVITY
COUPLING & DIRECTIVITY
(dB)
25
20
15
10
5
0
200
400
600
800
FREQUENCY (MHz)
1000
1200
at RF level of -5 dBm
A
.150
3.81
G
.028
0.71
B
.150
3.81
H
.050
1.27
C
.150
3.81
J
.160
4.06
D
.050
1.27
K
.030
0.76
E
.030
0.76
F
.025
0.64
wt
grams
0.10
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
Electrical Schematic
OUT
CPL
IN
REV. OR
M135593
ED-12343A/1
IF/RF MICROWAVE COMPONENTS
Notes: 1.
Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet.
2.
Electrical specifications
DBTC-12-4-75X+
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
3.
The parts covered by this specification sheet are subject to
DY/RS/CP/AM
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
120215
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
®
ISO 9001 ISO 14001 AS 9100
CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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Test/Measurement
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