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Surface Mount
Directional Couplers
50
Maximum Ratings
Operating Temperature Storage Temperature -40C to 85C -55C to 100C
NEW!
DBTC-9-4 DBTC-9-4L
5 to 1000 MHz
Features
* * * * * * * very flat coupling very broadband, multi octave temperature stable, BLUE CELLTM base all welded construction loads attached for better solderability micro-miniature coupler protected by U.S. Patent 6,140,887 & 6,784,521
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)
Pin Connections
INPUT OUTPUT COUPLED GROUND NOT USED*
*pins 5&6 must be isolated
3 4 1 2 5,6
Applications
* VHF/UHF receivers/transmitters * cellular
Outline Drawing
AT790-1
Directional Coupler Electrical Specifications
FREQ. RANGE (MHz)
fL-fU 5-1000
COUPLING (dB)
Max. Flatness 0.5
MAINLINE LOSS* (dB)
L Typ. Max. 1.2 2.0 M U Typ. Max. Typ. Max. 1.2 1.8 1.5 2.0
DIRECTIVITY (dB)
L Typ. Min. 21 17 M Typ. Min. 18 13 U Typ. Min. 15 --
VSWR** (:1)
POWER INPUT, W
L Max. 0.5 MU Max. 1.0
Nom. 9.00.5
Typ. 1.20
AT1030
* Includes theoretical coupled power loss of 0.58 dB at 9 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]
Typical Performance Data
Frequency (MHz) 5.00 10.00 50.00 100.00 300.00 500.00 600.00 800.00 900.00 1000.00
wt. grams .10
1.6 INSERTION LOSS (dB) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 200 400 600 800 1000 FREQUENCY (MHz)
at RF level of -10 dBm
Insertion Loss (dB) In-Out 1.18 1.10 1.07 1.09 1.16 1.20 1.23 1.31 1.37 1.43
DBTC-9-4L INSERTION LOSS
Coupling (dB) In-Cpl 8.93 8.89 8.87 8.90 8.93 8.90 8.88 8.86 8.85 8.86
Directivity (dB) In 21.62 21.70 21.50 20.99 19.47 17.60 16.50 14.74 14.07 13.44 17.90 19.15 20.07 20.12 20.49 21.02 20.89 20.45 20.06 19.34
Return Loss (dB) Out 24.67 29.04 32.70 31.81 30.43 30.62 30.39 30.31 29.26 27.16
Cpl 18.40 19.50 20.22 20.27 18.93 16.66 15.36 12.91 11.86 10.86
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 AT1030
DBTC-9-4L COUPLING & DIRECTIVITY
COUPLING & DIRECTIVITY (dB) 25 20 15 10 5
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-278 Suggested PCB Layout (PL-150)
COUPLING
0 0 200 400
DIRECTIVITY
600 800 1000
FREQUENCY (MHz)
DBTC-9-4L RETURN LOSS
35 RETURN LOSS (dB) 30 25 20 15 10 5 0 0 200 400 600 800 1000 FREQUENCY (MHz)
IN
OUT
CPL
Mini-Circuits
(R)
INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. F M89619 DBTC-9-4 ED-8958/1 DBTC-9-4L ED-8958A/1 WZ/TD/CP 040909
Distribution Centers NORTH AMERICA 800-654-7949 * 417-335-5935 * Fax 417-335-5945 * EUROPE 44-1252-832600 * Fax 44-1252-837010
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