DBTC-20-4LX+

® Surface Mount top hat Directional Coupler 50Ω, 20dB coupling, DBTC-20-4LX+ 20 to 1000 MHz 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 Generic photo used for illustration purposes only CASE STYLE: AT1642 +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications e and Reel Available Tapra cost at no ext Devices/Reel 20, 50, 100, 200, 500 1000, 2000 Reel Size 7” 13” • VHF/UHF receivers/transmitters • cellular Electrical Specifications at 25°C Parameter Condition (MHz) Frequency Range Min. Typ. 20 Max. Unit 1000 MHz 20-200 0.3 1.0 200-500 0.4 1.0 500-1000 0.7 1.3 Nominal Coupling 20-1000 20.4±0.5 Coupling Flatness(±) 20-1000 Mainline Loss1 Directivity VSWR2 dB ±0.8 20-200 13 21 200-500 14 21 500-1000 — 16 20-1000 20-200 200-500 500-1000 Input Power dB dB dB 1.2 dB 1.0 1.0 1.0 W 1. Includes theoretical coupled power loss of 0.04 dB at 20 dB coupling. 2. For coupled port VSWR above 500 MHz, 1.6:1 typ. Pin Connections Maximum Ratings Parameter Function Ratings Pin Number Operating Temperature -40°C to 85°C INPUT 3 Storage Temperature -55°C to 100°C OUTPUT 4 COUPLED 1 GROUND 2 ISOLATE (DO NOT USE) 6 Permanent damage may occur if any of these limits are exceeded. Electrical Schematic Product Marking 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 sales@minicircuits.com REV. A M151107 ED-8957A/1 DBTC-20-4LX+ WP/CP/AM 190827 Page 1 of 2 DBTC-20-4LX+ Outline Drawing Demo Board MCL P/N: TB-278 Suggested PCB Layout (PL-150) PCB Land Pattern Suggested Layout, Tolerance to be within±.002 Outline Dimensions ( inch mm ) A .166 4.22 B .150 3.81 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 L wt .004 grams 0.10 0.10 Typical Performance Data Frequency (MHz) Mainline Loss (dB) In-Out 20.00 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 1000.00 Coupling (dB) In-Cpl 0.33 0.35 0.38 0.41 0.43 0.48 0.53 0.58 0.63 0.70 20.30 20.25 20.28 20.32 20.36 20.40 20.43 20.50 20.59 20.94 DBTC-20-4+ MAINLINE LOSS In 19.79 22.11 23.36 24.66 25.00 23.74 21.33 19.06 17.10 14.20 50 RETURN LOSS (dB) 0.6 20 0.4 15 0.2 0.0 400 600 FREQUENCY (MHz) 26.85 27.18 24.16 21.44 19.23 17.30 15.69 14.31 13.07 11.03 DBTC-20-4+ RETURN LOSS 25 200 Cpl 28.00 30.48 29.28 31.80 29.12 30.13 27.95 28.09 27.01 26.54 26.41 25.97 25.99 25.74 25.78 26.00 26.16 26.88 28.41 29.64 at RF level of -10 dBm 30 0.8 0 Return Loss (dB) Out DBTC-20-4+ COUPLING & DIRECTIVITY at RF level of -10 dBm COUPLING & DIRECTIVITY (dB) MAINLINE LOSS (dB) 1.0 Directivity (dB) 800 1000 COUPLING DIRECTIVITY at RF level of -10 dBm IN OUT COUPLING 40 30 20 10 0 10 0 200 400 600 FREQUENCY (MHz) 800 1000 0 200 400 600 FREQUENCY (MHz) 800 1000 Additional 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 Notes entitled to the rights and benefits therein. For a full stated statement the Standard Termsare and the exclusive rights and remedies visit Mini-Circuits’ website at A. Performance and quality attributescontained and conditions not expressly in thisof specification document intended to be excluded and do not formthereunder, a part of thisplease 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. www.minicircuits.com/MCLStore/terms.jsp 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 sales@minicircuits.com Page 2 of 2