Surface Mount Directional Couplers 75Ω, 6dB coupling, Maximum Ratings Operating Temperature 5 to 1250 MHz Features -40°C to 85°C Storage Temperature DBTC-6-4-75+ DBTC-6-4-75L+ No Leads • very flat coupling • very broadband, multi octave • temperature stable, LTCC base • all welded construction • leads attached for better solderability • micro miniature coupler • aqueous washable • protected by US Patents 6,140,887 & 6,784,521 -55°C to 100°C Permanent damage may occur if any of these limits are exceeded. Pin Connections INPUT3 OUTPUT4 COUPLED1 GROUND2 ISOLATE (DO NOT USE) 6 Leads CASE STYLE:AT790-1 CASE STYLE:AT1030 +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications •CATV Outline Drawing / Dimensions ( inch mm ) AT790-1 (DBTC-6-4-75) Electrical Specifications FREQ. (MHz) COUPLING (dB) PCB Land Pattern DIRECTIVITY (dB) VSWR** POWER (:1) INPUT (W) L M U U1 L M U U1 Max. Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. Typ. Min. Nom. 5-1250 MAINLINE LOSS* (dB) 6.8±0.3 ±0.8 2.2 3.1 2.2 2.6 2.3 2.8 2.3 2.9 L = low range [fL to 10 fL] M = mid range [10 fL to 500 MHz] U = 500 - 1000 MHz * Includes theoretical coupled power loss of 1.02 dB at 6 dB coupling ** For coupled port VSWR above 500 MHz, 1.6:1 typ. 15 13 17 13 16 10 12 7 Typ. 1.4 L MUU1 Max. Max. 0.5 1.0 U1 = 1000 - 1250 MHz Suggested Layout, Tolerance to be within ±.002 B .150 3.81 C .150 3.81 D .050 1.27 E .030 0.76 F .025 0.64 G .028 0.71 H .050 1.27 J .160 4.06 AT1030 (DBTC-6-4-75L) PCB Land Pattern Suggested Layout, Tolerance to be within ±.002 C .155 3.94 D .050 1.27 E .037 0.94 F .025 0.64 G .012 0.30 H .060 1.52 J .184 4.67 K .030 0.76 Mainline Loss (dB) In-Out 5.00 10.00 100.00 400.00 600.00 800.00 1000.00 1050.00 1100.00 1250.00 L wt .004 grams 0.10 0.10 Coupling (dB) In-Cpl Directivity (dB) 3.0 14.87 15.49 15.54 16.04 15.94 13.5318.7313.56 14.6424.1514.72 15.5530.8815.56 16.0918.4214.47 16.3216.3313.60 2.28 2.32 2.34 2.40 2.46 7.16 7.36 7.44 7.51 7.75 15.12 13.45 12.88 12.50 11.03 17.0815.4813.11 18.2215.6112.36 18.6215.7512.10 18.6615.5812.04 19.7814.7511.49 DBTC-6-4-75+ COUPLING & DIRECTIVITY at RF level of -10 dBm 20 2.8 at RF level of -10 dBm 16 2.6 12 2.4 2.2 0 250 500 750 FREQUENCY (MHz) 1000 1250 8 4 COUPLING DIRECTIVITY 0 0 250 500 750 FREQUENCY (MHz) 1000 1250 Electrical Schematic DBTC-6-4-75+ RETURN LOSS 50 Cpl 6.80 6.72 6.78 6.94 7.01 2.0 Demo Board MCL P/N: TB-279 Suggested PCB Layout (PL-151) In Return Loss (dB) Out 2.41 2.23 2.21 2.24 2.26 DBTC-6-4-75+ MAINLINE LOSS MAINLINE LOSS (dB) B .150 3.81 Frequency (MHz) RETURN LOSS (dB) A .166 4.22 Typical Performance Data K wt .030 grams 0.76 0.10 COUPLING & DIRECTIVITY (dB) A .150 3.81 at RF level of -10 dBm IN 40 OUT CPL 30 20 10 0 0 250 500 750 FREQUENCY (MHz) 1000 1250 Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] REV. L M151107 DBTC-6-4-75+ ED-10488/1 DBTC-6-4-75L+ ED-10488C/1 WZ/TD/CP/AM 150702