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Surface Mount
Directional Couplers
50
Maximum Ratings
Operating Temperature Storage Temperature -40C to 85C -55C to 100C
NEW!
DBTC-12-4 DBTC-12-4L
5 to 1000 MHz
Features
* * * * * * * very flat coupling very broadband, multi octave temperature stable, BLUE CELLTM base all welded construction leads attached for better solderibility 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 0.9
MAINLINE LOSS* (dB)
L Typ. Max. 0.9 1.8 M U Typ. Max. Typ. Max. 0.7 1.3 1.1 1.6
DIRECTIVITY (dB)
L Typ. Min. 33 22 M Typ. Min. 21 14 U Typ. Min. 15 --
VSWR** (:1)
POWER INPUT, W
L Max. 0.5 MU Max. 1.0
Nom. 12.20.5
Typ. 1.20
AT1030
* Includes theoretical coupled power loss of 0.27 dB at 12 dB coupling. **For coupled port VSWR above 500 MHz, 1.5:1 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 50.00 100.00 500.00 600.00 800.00 900.00 1000.00
wt. grams .10
DBTC-12-4L INSERTION LOSS
COUPLING & DIRECTIVITY (dB) DBTC-12-4L COUPLING & DIRECTIVITY 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 COUPLING DIRECTIVITY
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
Insertion Loss (dB) In-Out 0.88 0.79 0.73 0.75 0.85 0.88 0.95 1.00 1.06
Coupling (dB) In-Cpl 12.07 11.96 11.90 11.93 11.99 11.99 12.03 12.07 12.13
Directivity (dB) 34.34 34.86 35.53 37.41 25.82 22.32 17.75 16.15 14.74 In 19.19 21.25 22.99 22.94 22.00 21.56 20.94 20.79 20.48
Return Loss (dB) Out 23.31 27.96 35.09 34.58 26.19 25.58 25.46 26.14 26.70
Cpl 17.81 19.68 21.01 21.11 18.96 17.94 15.62 14.55 13.43
BLUE CELLTM is protected by U.S. Patents.
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
INSERTION LOSS (dB)
1.2 1.0 0.8 0.6 0.4 0.2 0.0 0
at RF level of -10 dBm
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)
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
DBTC-12-4L RETURN LOSS 40.0 35.0 RETURN LOSS (dB) 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0 200 400 600 800 1000 FREQUENCY (MHz) IN OUT CPL
at RF level of -10 dBm
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-12-4 ED-8954/1 DBTC-12-4L ED-8954A WZ/TD/CP 040225
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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