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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
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
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.
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IF/RF MICROWAVE COMPONENTS
Typical Performance Data
Electrical Specications
Maximum Ratings
Pin Connections
Features
• very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
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-17-5+
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
DBTC-17-5+
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
DBTC-17-5+
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
50Ω, 17dB coupling, 50to2000MHz
Directional Couplers
Surface Mount
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. Typ.
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.
Demo Board MCL P/N: TB-278
Suggested PCB Layout (PL-150)
No Leads
CASESTYLE:AT790-1
PRICE:$1.99ea.QTY(25)
$1.69ea.QTY(1000)
Leads
CASESTYLE:AT1030
PRICE:$2.14ea.QTY(25)
$1.84ea.QTY(1000)
DBTC-17-5+ DBTC-17-5L+
Outline Drawing / Dimensions ( )
inch
mm
AT1030 (DBTC-17-5L)
AT790-1 (DBTC-17-5)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Sufx has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualications.
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
REV.K
M133032
DBTC-17-5+ED-8784A/1
DBTC-17-5L+ED-8785B/1
WZ/TD/CP/AM
110803
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
Electrical Schematic
Permanentdamagemayoccurifanyoftheselimitsareexceeded.