Surface Mount NEW! Directional Couplers 50 DBTC-12-4 DBTC-12-4L 5 to 1000 MHz Features Maximum Ratings Operating Temperature * * * * * * * -40C to 85C Storage Temperature -55C to 100C Pin Connections INPUT 3 OUTPUT 4 COUPLED 1 GROUND 2 NOT USED* 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 Leads CASE STYLE:AT790-1 PRICE: $1.99 ea. QTY (25) $1.69 ea. QTY (1000) CASE STYLE:AT1030 PRICE: $2.14 ea. QTY (25) $1.84 ea. QTY (1000) Applications 5,6 * VHF/UHF receivers/transmitters * cellular *pins 5&6 must be isolated Directional Coupler Electrical Specifications Outline Drawing AT790-1 MAINLINE LOSS* (dB) COUPLING (dB) FREQ. RANGE (MHz) fL-fU Nom. Max. Flatness 5-1000 12.20.5 0.9 L Typ. Max. M U Typ. Max. Typ. Max. 0.9 0.7 1.3 1.8 * Includes theoretical coupled power loss of 0.27 dB at 12 dB coupling. **For coupled port VSWR above 500 MHz, 1.5:1 typ. AT1030 DIRECTIVITY (dB) L Typ. Min. 1.1 1.6 33 M Typ. Min. 22 L = low range [fL to 10 fL] 21 14 VSWR** (:1) U Typ. Min. 15 -- M = mid range [10 fL to fU/2] POWER INPUT, W Typ. L Max. MU Max. 1.20 0.5 1.0 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 AT790-1 & AT1030 Outline Dimensions ( inch mm ) In 19.19 21.25 22.99 22.94 22.00 21.56 20.94 20.79 20.48 34.34 34.86 35.53 37.41 25.82 22.32 17.75 16.15 14.74 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. DBTC-12-4L INSERTION LOSS 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) Directivity (dB) wt. grams .10 DBTC-12-4L COUPLING & DIRECTIVITY 40.0 at RF level of -10 dBm 1.2 INSERTION LOSS (dB) AT1030 Coupling (dB) In-Cpl 12.07 11.96 11.90 11.93 11.99 11.99 12.03 12.07 12.13 COUPLING & DIRECTIVITY (dB) 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 Insertion Loss (dB) In-Out 0.88 0.79 0.73 0.75 0.85 0.88 0.95 1.00 1.06 1.0 0.8 0.6 0.4 0.2 0.0 COUPLING 35.0 DIRECTIVITY 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0 200 400 600 800 1000 0 200 FREQUENCY (MHz) 400 600 800 1000 FREQUENCY (MHz) DBTC-12-4L RETURN LOSS 40.0 at RF level of -10 dBm RETURN LOSS (dB) 35.0 30.0 25.0 20.0 15.0 10.0 5.0 IN OUT CPL 0.0 0 200 400 600 800 1000 FREQUENCY (MHz) (R) Mini-Circuits 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 ISO 9001 & ISO 14001 Certified REV. F M89619 DBTC-12-4 ED-8954/1 DBTC-12-4L ED-8954A WZ/TD/CP 040225