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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-miniaute coupler
· protected by US Patents 6,140,887 & 6,784,521
INPUT
3
OUTPUT
4
COUPLED
1
GROUND
2
ISOLATE (DO NOT USE)
6
Applications
· CATV
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-6-4-75+
MAINLINE LOSS
2.0
2.2
2.4
2.6
2.8
3.0
0
250
500
750
1000
1250
FREQUENCY (MHz)
M
A
I
N
L
I
N
E
L
O
S
S
(
d
B
)
at RF level of -10 dBm
DBTC-6-4-75+
COUPLING & DIRECTIVITY
0
4
8
12
16
20
0
250
500
750
1000
1250
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-6-4-75+
RETURN LOSS
0
10
20
30
40
50
0
250
500
750
1000
1250
FREQUENCY (MHz)
R
E
T
U
R
N
L
O
S
S
(
d
B
)
IN
OUT
CPL
at RF level of -10 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
Directional Couplers
Surface Mount
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
*
(dB)
DIRECTIVITY
(dB)
VSWR**
(:1)
POWER
INPUT
(W)
Max.
Flatness
L
M
U
U
1
L
M
U
U
1
L
Max.
MUU
1
Max.
Nom.
Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. Typ. Min.
Typ.
5-1250
6.8±0.3
±0.8
2.2
3.1
2.2
2.6
2.3
2.8
2.3
2.9
15
13
17
13
16
10
12
7
1.4
0.5
1.0
L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to 500 MHz] U = 500 - 1000 MHz U
1
= 1000 - 1250 MHz
* Includes theoretical coupled power loss of 1.02 dB at 6 dB coupling
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
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-6-4-75+ DBTC-6-4-75L+
Outline Drawing / Dimensions ( )
inch
mm
AT1030 (DBTC-6-4-75L)
AT790-1 (DBTC-6-4-75)
+ 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
5.00
2.41
6.80
14.87
13.53
18.73
13.56
10.00
2.23
6.72
15.49
14.64
24.15
14.72
100.00
2.21
6.78
15.54
15.55
30.88
15.56
400.00
2.24
6.94
16.04
16.09
18.42
14.47
600.00
2.26
7.01
15.94
16.32
16.33
13.60
800.00
2.28
7.16
15.12
17.08
15.48
13.11
1000.00
2.32
7.36
13.45
18.22
15.61
12.36
1050.00
2.34
7.44
12.88
18.62
15.75
12.10
1100.00
2.40
7.51
12.50
18.66
15.58
12.04
1250.00
2.46
7.75
11.03
19.78
14.75
11.49
REV. H
M98898
DBTC-6-4-75+ ED-10488/1
DBTC-6-4-75L+ ED-10488C/1
WZ/TD/CP
060726
75
, 6dB coupling, 5 to 1250 MHz
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