Surface Mount
NEW!
Directional Couplers
DBTC-75-OHMS SERIES
6 to 20 dB Coupling 75Ω 5 to 1500 MHz
Features
• very flat coupling
• very broadband, multi octave
• temperature stable, BLUE CELL™ base
• all welded construction
• leads attached for better solderability
• micro-miniaturecoupler
No Leads
Leads
CASE STYLE:AT790-1
PRICE: $1.99 ea. QTY (25)
$1.69 ea. QTY (1000)
CASE STYLE:AT1030
PRICE: $2.14 ea. QTY (25)
$1.84 ea. QTY (1000)
• protected by U.S. Patent 6,140,887 & 6,784,521
Applications
• cable TV
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
fL-fU
COUPLING
(dB)
MAINLINE LOSS*
(dB)
DIRECTIVITY
(dB)
VSWR** POWER
MODEL
NO.
(:1)
INPUT, W
L
M
U
U
Max.
L
M
U
U
L
MU
Typ. Min. Typ. Min. Typ. Min. Typ. Min.
Nom.
Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Max.
Typ.
1.40
1.30
1.30
Max. Max.
DBTC-6-4-75
DBTC-10-4-75
DBTC-13-5-75
5-1250
5-1000
6.8±0.3
10.5±0.5
±0.8
±0.7
2.2 3.1
1.5 2.2
0.9 1.4
2.2 2.6
1.4 2.0
2.3 2.8
1.5 2.0
1.1 1.6
2.3 2.9
1.02
0.40
15 13
21 16
21 17
17 13
20 13
19 14
16
16
18
10
—
—
12
—
—
7
0.5
0.5
0.5
1.0
1.0
1.0
—
—
—
—
—
—
5-1000
1000-1500
13.2±0.5
13.6±0.5
±0.6
±0.8
1.0 1.5
1.4 2.2
0.21
0.20
17
21 13
19
—
DBTC-16-5-75
5-1000
1000-1500
16.3±0.5
16.5±0.5
±0.7
±0.7
1.2 2.0
1.0 1.5
1.3 1.9
1.1 1.6
—
—
—
—
0.10
0.10
22 16
20
—
—
—
1.30
1.0
1.0
—
DBTC-18-4-75
DBTC-20-4-75
5-1000
5-1250
18.2±0.5
20.5±0.5
±0.7
±0.9
0.8 1.5
0.4 0.7
0.8 1.4
0.6 0.9
1.0 1.6
0.8 1.2
0.07
0.04
25 16
20 16
21 14
19 13
15
11
—
7
—
9
—
6
1.30
1.40
1.0
0.5
1.0
1.0
1.1 1.5
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U = upper range [fU/2 to fU]
U= 1000-1250 MHz
*
Includes theoretical loss at coupled port
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
To order models with leads, add “L” suffix to model No.
Pin Connections
Maximum Ratings
INPUT
3
4
1
2
5,6
OperatingTemperature
-40°C to 85°C
-55°C to 100°C
OUTPUT
StorageTemperature
COUPLED
GROUND
NOT USED*
*pins 5&6 must be isolated
Outline Drawing
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
AT790-1
AT1030
AT790-1 & AT1030
Reflow Solder Assembly
Silver-bearing solder (Sn/Pb/Ag 62/36/2%) is recommended;
however, tin-lead eutectic (Sn/Pb 63/37%) may be used.
For temperature profiles, see Application Note AN-40-004
REV. G
M89618
DBTC-6-4-75
inch
Outline Dimensions (
)
mm
Case
Style
wt.
grams
.10
ED-10488B/1
DBTC-6-4-75L ED-10488C/1
DBTC-10-4-75 ED-8953/1
DBTC-10-4-75L ED-8953A/1
DBTC-13-5-75 ED-8967/1
DBTC-13-5-75L ED-8967A/1
DBTC-16-5-75 ED-8978/1
DBTC-16-5-75L ED-8978A/1
DBTC-18-4-75 ED-8956/1
DBTC-18-4-75L ED-8956A/1
DBTC-20-4-75 ED-10793/1
DBTC-20-4-75L ED-10793A/1
DBTC-75_75L
A
B
C
D
E
F
G
H
J
K
L
—
—
AT790-1 .150 .150 .150 .050 .030 .025 .028 .050 .160 .030
3.81 3.81 3.81 1.27 0.76 0.64 0.71 1.27 4.06 0.76
AT1030 .166 .150 .155 .050 .037 .025 .012 .060 .184 .030 .004
.10
4.22 3.81 3.94 1.27 0.94 0.64 0.30 1.52 4.67 0.76 0.10
®
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