Surface Mount top hatTM Directional Coupler 75, 20dB coupling, Maximum Ratings Operating Temperature Storage Temperature 5 to 1250 MHz -40C to 85C -55C to 100C Permanent damage may occur if any of these limits are exceeded. Pin Connections INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) DBTC-20-4-75X+ 3 4 1 2 6 Features * * * * * * * * 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 CASE STYLE: AT1667-1 PRICE: $1.99 ea. QTY (20) $1.69 ea. QTY (1000) +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications * CATV Electrical Specifications FREQ. (MHz) COUPLING (dB) Outline Drawing DIRECTIVITY (dB) VSWR** (:1) 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) 20.50.5 0.9 0.4 0.7 0.6 0.9 0.8 1.2 1.1 1.5 20 16 19 13 11 7 9 L MUU1 Max. Max. Typ. 6 POWER INPUT (W) 1.4 0.5 1.0 L = 5-50 MHz M = 50-500 MHz U = 500-1000 MHz U1= 1000 - 1250 MHz * Includes theoretical coupled power loss of 0.04 dB at 20 dB coupling ** For coupled port VSWR above 500 MHz, 1.6:1 typ. Typical Performance Data Frequency (MHz) TOTAL THICKNESS: .013 inch MAX. PCB Land Pattern Suggested Layout, Tolerance to be within .002 D .050 1.27 G .028 0.71 H .050 1.27 J .160 4.06 K .030 0.76 E .030 0.76 F .025 0.64 wt grams 0.10 20.47 20.40 20.44 20.30 19.99 19.75 20.84 21.31 17.52 14.13 25.31 27.21 25.84 17.30 15.36 27.17 29.99 28.18 17.77 15.44 23.11 24.93 21.27 11.54 8.94 800.00 1000.00 1050.00 1100.00 1250.00 0.85 0.98 1.01 1.06 1.18 19.98 20.07 20.13 20.21 20.53 11.96 10.26 10.01 9.66 8.81 14.44 13.93 13.85 13.53 13.22 14.31 13.80 13.76 13.35 12.20 7.43 6.52 6.23 6.08 5.55 1.4 DBTC-20-4-75+ COUPLING & DIRECTIVITY at RF level of -10 dBm at RF level of -10 dBm 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Demo Board MCL P/N: TB-279 Suggested PCB Layout (PL-151) 0 250 500 750 FREQUENCY (MHz) 1000 1250 RETURN LOSS (dB) 25 20 15 10 COUPLING DIRECTIVITY 5 0 250 500 750 FREQUENCY (MHz) 1000 1250 Electrical Schematic DBTC-20-4-75+ RETURN LOSS 50 Cpl 0.44 0.41 0.46 0.61 0.74 COUPLING & DIRECTIVITY (dB) C .150 3.81 MAINLINE LOSS (dB) B .150 3.81 In Return Loss (dB) Out 5.00 10.00 100.00 400.00 600.00 DBTC-20-4-75+ MAINLINE LOSS Outline Dimensions ( inch ) mm A .150 3.81 Directivity (dB) Coupling (dB) In-Cpl Mainline Loss (dB) In-Out at RF level of -10 dBm IN 40 OUT COUPLING 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 (R) www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com REV. OR M135594 ED-10793A/1 DBTC-20-4LX+ WP/CP/AM 120216