Surface Mount
Directional Couplers
50Ω,
17dB coupling,
Maximum Ratings
Operating Temperature 50 to 2000 MHz
Features
-40°C to 85°C
Storage Temperature No Leads
• 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
-55°C to 100°C
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
INPUT3
OUTPUT4
COUPLED1
GROUND2
ISOLATE (DO NOT USE)
6
AT790-1 (DBTC-17-5)
PCB Land Pattern
•cellular
•PCS
•DECT/PHS
•GSM
FREQ.
RANGE
(MHz)
E
.030
0.76
F
.025
0.64
G
.028
0.71
H
.050
1.27
AT1030 (DBTC-17-5L)
J
.160
4.06
Suggested Layout,
Tolerance to be within ±.002
C
.155
3.94
D
.050
1.27
E
.037
0.94
F
.025
0.64
G
.012
0.30
H
.060
1.52
J
.184
4.67
K
.030
0.76
Typ.
1.2
1.2
1.2
Max.
2.0
2.0
2.0
Min.
13
10
—
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
50.000.6416.4115.9223.43
27.62
18.46
100.000.6616.4216.1723.56
27.75
18.62
500.000.7616.7418.5322.36
23.13
18.78
800.000.8517.0622.4221.45
21.80
18.22
1000.000.9117.3022.3221.67
21.94
17.08
1300.000.9917.6317.7422.81
22.71
14.85
1500.001.0517.8115.4124.84
24.12
13.40
1600.001.0817.8814.4325.91
24.48
12.71
1900.001.1818.0712.2028.04
25.71
10.95
2000.001.2118.1111.5528.07
25.97
10.50
L
wt
.004 grams
0.10
0.10
2.0
MAINLINE LOSS (dB)
B
.150
3.81
Typ.
20
20
14
POWER
INPUT
(W)
Typical Performance Data
Frequency
(MHz)
at RF level of -10 dBm
DBTC-17-5+
MAINLINE LOSS
1.6
1.2
0.8
0.4
0.0
Demo Board MCL P/N: TB-278
Suggested PCB Layout (PL-150)
0
400
800
1200
FREQUENCY (MHz)
1600
2000
50
25
24
23
22
21
20
19
18
17
16
15
DBTC-17-5+
COUPLING & DIRECTIVITY
at RF level of -10 dBm
COUPLING
DIRECTIVITY
0
400
800
1200
FREQUENCY (MHz)
1600
2000
Electrical Schematic
DBTC-17-5+
RETURN LOSS
RETURN LOSS (dB)
A
.166
4.22
Typ. Max.
0.9 1.4
1.0 1.5
1.1 1.6
VSWR**
(:1)
* Includes theoretical coupled power loss of 0.07 dB at 17 dB coupling
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
K
wt
.030 grams
0.76 0.10
PCB Land Pattern
DIRECTIVITY
(dB)
COUPLING &
DIRECTIVITY (dB)
Suggested Layout,
Tolerance to be within ±.002
D
.050
1.27
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
MAINLINE LOSS*
(dB)
Max.
Nom. Flatness
50-1000 17.0±0.7
±0.9
1000-1500 17.2±0.9
±1.0
1500-2000 17.5±1.0
±0.8
C
.150
3.81
CASE STYLE:AT1030
Electrical Specifications
COUPLING
(dB)
fL-fU
B
.150
3.81
Leads
CASE STYLE:AT790-1
Applications
Outline Drawing / Dimensions ( inch
mm )
A
.150
3.81
DBTC-17-5L+
DBTC-17-5+
at RF level of -10 dBm
IN
40
OUT
COUPLING
30
20
10
0
0
400
800
1200
FREQUENCY (MHz)
1600
2000
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 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected]
REV. L
M151107
DBTC-17-5+ ED-8784A/1
DBTC-17-5L+ ED-8785B/1
WZ/TD/CP/AM
150702