Directional Coupler Electrical Specifications
Features
very flat coupling
very broadband, multi octave
temperature stable, BLUE CELLTM base
all welded construction
leads attached for better solderability
micro-miniature coupler
protected by U.S. Patent 6,140,887 & 6,784,521
Applications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
f
L
-f
U
50-1000
17.00.7
0.9
0.9 1.4
20
13
1.20
--
2.0
1000-1500
17.70.9
1.0
1.0 1.5
20
10
1.20
--
2.0
1500-2000
18.01.0
0.8
1.1 1.6
14
--
1.20
--
2.0
VSWR**
(:1)
Nom.
Max.
Flatness
POWER
INPUT, W
L
Max.
MU
Max.
MAINLINE LOSS*
(dB)
L
Typ. Max.
M
Typ. Max.
U
Typ. Max.
DIRECTIVITY
(dB)
L
Typ. Min.
M
Typ. Min.
U
Typ. Min.
Typ.
cellular
PCS
DECT/PHS
GSM
Typical Performance Data
BLUE CELLTM is protected by U.S. Patents.
Frequency
(MHz)
Insertion Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Cpl
Out
* Includes theoretical coupled power loss of 0.07 dB at 17 dB coupling.
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
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
]
DBTC-17-5L
COUPLING & DIRECTIVITY
0
5
10
15
20
25
0
200
400
600
800
1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
COUPL
I
NG & DI
RECT
I
V
I
T
Y
(
d
B)
COUPLING
DIRECTIVITY
DBTC-17-5L
RETURN LOSS
0
5
10
15
20
25
30
0
200
400
600
800
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
RETURN L
O
SS (
d
B)
IN
OUT
COUPLING
at RF level of -10 dBm
DBTC-17-5L
INSERTION LOSS
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
0
200
400
600
800
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
I
N
SERTI
ON LOSS (
d
B)
at RF level of -10 dBm
Maximum Ratings
Pin Connections
INPUT
3
OUTPUT
4
COUPLED
1
GROUND
2
NOT USED*
5,6
Operating Temperature
-40C to 85C
Storage Temperature
-55C to 100C
*pins 5&6 must be isolated
Outline Drawing
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
AT790-1 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
.10
Outline Dimensions ( )
inch
mm
Demo Board MCL P/N: TB-278
Suggested PCB Layout (PL-150)
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
AT790-1
AT1030
AT790-1 & AT1030
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
NEW!
DBTC-17-5L
50
50 to 2000 MHz
Directional Couplers
Surface Mount
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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
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
REV. F
M89619
DBTC-17-5 ED-8784A/1
DBTC-17-5L ED-8785B/1
WZ/TD/CP
040225
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