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 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
REV. OR
M134023
ED-8785B/1
DBTC-17-5LX+
WP/CP/AM
111013
Outline Drawing
Outline Dimensions ( )
inch
mm
50Ω 17 dB coupling 50 to 2000 MHz
Directional Coupler
Surface Mount
DBTC-17-5LX+
Maximum Ratings
Operating Temperature -40°C to 85°C
Storage Temperature -55°C to 100°C
Permanent damage may occur if any of these limits are exceeded.
Features
• very fl at 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
• cellular
• PCS
• DECT/PHS
• GSM
COUPLING & DIRECTIVITY
15
16
17
18
19
20
21
22
23
24
25
0 400 800 1200 1600 2000
FREQUENCY (MHz)
COUPLING &
DIRECTIVITY (dB)
COUPLING DIRECTIVITY
at RF level of -10 dBm
RETURN LOSS
0
10
20
30
40
50
0 400 800 1200 1600 2000
FREQUENCY (MHz)
RETURN LOSS (dB)
IN OUT COUPLING
at RF level of -10 dBm
Typical Performance Data
CASE STYLE: AT1642
PRICE: $2.14 ea. QTY (25)
$1.84 ea. QTY (1000)
MAINLINE LOSS
0.0
0.4
0.8
1.2
1.6
2.0
0 400 800 1200 1600 2000
FREQUENCY (MHz)
MAINLINE LOSS (dB)
at RF level of -10 dBm
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out Cpl
50.00 0.64 16.41 15.92 23.43 27.62 18.46
100.00 0.66 16.42 16.17 23.56 27.75 18.62
500.00 0.76 16.74 18.53 22.36 23.13 18.78
800.00 0.85 17.06 22.42 21.45 21.80 18.22
1000.00 0.91 17.30 22.32 21.67 21.94 17.08
1300.00 0.99 17.63 17.74 22.81 22.71 14.85
1500.00 1.05 17.81 15.41 24.84 24.12 13.40
1600.00 1.08 17.88 14.43 25.91 24.48 12.71
1900.00 1.18 18.07 12.20 28.04 25.71 10.95
2000.00 1.21 18.11 11.55 28.07 25.97 10.50
Pin Connections
INPUT 3
OUTPUT 4
COUPLED 1
GROUND 2
ISOLATE (DO NOT USE) 6
ABCDE F
.166 .150 .155 .050 .037 .025
4.22 3.81 3.94 1.27 0.94 0.64
G H J K L wt
.012 .060 .184 .030 .004 grams
0.30 1.52 4.67 0.76 0.10 0.10
PCB Land Pattern
Suggested Layout,
Tolerance to be within
±
.002
TOTAL THICKNESS: .013 inch MAX.
Demo Board MCL P/N: TB-278
Suggested PCB Layout (PL-150)
Electrical Schematic
Electrical Specifi cations
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS*
(dB)
DIRECTIVITY
(dB)
VSWR**
(:1)
POWER
INPUT
(W)
Max.
Flatness Max.
fL-fUNom. Typ. Max. Ty p. Min. Ty p.
50-1000 17.0±0.7 ±0.9 0.9 1.4 20 13 1.2 2.0
1000-1500 17.2±0.9 ±1.0 1.0 1.5 20 10 1.2 2.0
1500-2000 17.5±1.0 ±0.8 1.1 1.6 14 — 1.2 2.0
* Includes theoretical coupled power loss of 0.07 dB at 17 dB coupling
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
