Surface Mount
Directional Couplers
75Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
DBTC-16-5-75+
DBTC-16-5-75L+
5 to 1500 MHz
Features
•
•
•
•
•
•
•
very flat coupling
No Leads
Leads
very broadband, multi octave
CASE STYLE:AT790-1
CASE STYLE:AT1030
temperature stable, BLUE CELL™ base
PRICE: $1.99 ea. QTY (25)
PRICE: $2.14 ea. QTY (25)
all welded construction
$1.69 ea. QTY (1000)
$1.84 ea. QTY (1000)
leads attached for better solderability
micro-miniature coupler
+ RoHS compliant in accordance
protected by U.S. Patent 6,140,887 & 6,784,521
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
NOT USED (ISOLATE)
3
4
1
2
6
with EU Directive (2002/95/EC)
Applications
• cable tv
The +suffix has been added in order to identify RoHS
Compliance. There has been no change to the model's
material, form, fit, or function. See our web site for RoHS
Compliance methodologies and qualifications.
Outline Drawing
AT790-1
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
f
L
-f
U
5-1000
1000-1500
COUPLING
(dB)
Max.
Flatness
±0.7
±0.7
MAINLINE LOSS*
(dB)
L
Typ. Max.
1.2
2.0
M
U
Typ. Max. Typ. Max.
1.0 1.5
1.3 1.9
1.1 1.6
DIRECTIVITY
(dB)
L
Typ. Min.
22
16
M
Typ. Min.
21
19
13
—
U
Typ. Min.
20
—
VSWR**
(:1)
POWER
INPUT, W
L
Max.
1.0
MU
Max.
1.0
Nom.
16.3±0.5
16.5±0.5
Typ.
1.30
AT1030
L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to f
U
/2]
U = upper range [f
U
/2 to f
U
]
* Includes theoretical coupled power loss of 0.10 dB at 16 dB coupling.
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
Typical Performance Data
Frequency
(MHz)
5.00
7.00
10.00
50.00
70.00
100.00
500.00
700.00
1000.00
1500.00
wt.
grams
.10
1.30
INSERTION LOSS (dB)
1.25
1.20
1.15
1.10
1.05
1.00
0
300
600
900
1200
1500
FREQUENCY (MHz)
Insertion Loss
(dB)
In-Out
1.13
1.09
1.06
1.08
1.09
1.09
1.07
1.05
1.07
1.25
DBTC-16-5-75
INSERTION LOSS
Coupling
(dB)
In-Cpl
16.21
16.14
16.10
16.12
16.13
16.17
16.20
16.23
16.37
17.08
Directivity
(dB)
In
22.27
22.16
22.16
22.16
22.05
22.15
24.73
26.44
29.51
27.80
17.92
18.62
19.10
19.44
19.51
19.65
19.74
19.65
20.35
25.02
Return Loss
(dB)
Out
19.97
20.98
21.68
22.23
22.33
22.50
21.23
20.23
19.74
21.54
Cpl
14.75
15.55
16.12
16.59
16.58
16.57
15.29
14.25
12.42
9.91
AT790-1 & AT1030
Outline Dimensions (
inch
)
mm
AT790-1
A
B
C
D
E
F
G
H
J
K
.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
at RF level of -10 dBm
DBTC-16-5-75
COUPLING & DIRECTIVITY
COUPLING & DIRECTIVITY
(dB)
35
30
25
20
15
10
5
0
0
300
600
900
1200
1500
FREQUENCY (MHz)
AT1030
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
.10
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
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
DBTC-16-5-75
RETURN LOSS
30
RETURN LOSS (dB)
25
20
15
10
5
0
0
300
600
900
1200
1500
FREQUENCY (MHz)
IN
OUT
CPL
REV. H
M98898
DBTC-16-5-75+
DBTC-16-5-75L+
WZ/TD/CP
050604
ED-8978/1
ED-8978A/1
Mini-Circuits
®
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