Directional Coupler Electrical Specifications
Features
• very flat coupling
• very broadband, multi octave
• temperature stable, BLUE CELL™ 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)
fL-fU
50-1000 17.0±0.7 ±0.9 0.9 1.4 20 13 1.20 — 2.0
1000-1500 17.7±0.9 ±1.0 1.0 1.5 20 10 1.20 — 2.0
1500-2000 18.0±1.0 ±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 CELL
™ is protected by U.S. Patents.
Frequency
(MHz) Insertion Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB) Return Loss
(dB)
In CplOut
* 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 [fL to 10 fL] M = mid range [10 fL to fU/2] U = upper range [fU/2 to fU]
DBTC-17-5L
COUPLING & DIRECTIVITY
0
5
10
15
20
25
0 200 400 600 800 1000 1200 1400 1600 1800 2000
FREQUENCY (MHz)
COUPLING & DIRECTIVITY (dB)
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 LOSS (dB)
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)
INSERTION LOSS (dB)
at RF level of -10 dBm
Maximum Ratings
Pin Connections
INPUT 3
OUTPUT 4
COUPLED 1
GROUND 2
NOT USED* 5,6
Operating Temperature -40°C to 85°C
Storage Temperature -55°C to 100°C
*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
50Ω 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
