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Distribution Centers NORTH AMERICA 800-654-7949 · 417-335-5935 · Fax 417-335-5945 · EUROPE 44-1252-832600 · Fax 44-1252-837010
Mini-Circuits
®
Mini-Circuits ISO 9001 & ISO 14001 Certified
Typical Performance Data
Electrical Specifications
Maximum Ratings
Pin Connections
Features
· very flat coupling
· very broadband, multi octave
· temperature stable LTCC base
· all welded construction
· leads attached for better solderability
· micro-miniature coupler
· 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
Cpl
Out
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)
M
A
I
N
L
I
N
E
L
O
S
S
(
d
B
)
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)
C
O
U
P
L
I
N
G
&
D
I
R
E
C
T
I
V
I
T
Y
(
d
B
)
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)
R
E
T
U
R
N
L
O
S
S
(
d
B
)
IN
OUT
COUPLING
at RF level of -10 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
50
, 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.
f
L
-f
U
Nom.
Typ. Max.
Typ. Min.
Typ.
50-1000
17.0±0.7
±0.9
0.9
1.4
20
13
1.2
2.0
1000-1500 17.7±0.9
±1.0
1.0
1.5
20
10
1.2
2.0
1500-2000 18.0±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 +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
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. G
M98898
DBTC-17-5+
ED-8784A/1
DBTC-17-5L+
ED-8785B/1
WZ/TD/CP
060726
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
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