Coaxial Directional Coupler 50 ZFDC-20-50+ 20 to 2000 MHz Maximum Ratings Operating Temperature -55C to 100C Storage Temperature -55C to 100C Features * very wideband, 20 to 2000 MHz * excellent directivity, 25 dB typ. * excellent mainline loss, 0.7 dB typ. * rugged shielded case Permanent damage may occur if any of these limits are exceeded. Coaxial Connections INPUT OUTPUT COUPLED CASE STYLE: K18 Connectors Model SMA ZFDC-20-50-S+ BRACKET (OPTION"B") Applications 3 1 2 Price $64.95 $2.50 Qty. (1-9) (1+) + RoHS compliant in accordance with EU Directive (2002/95/EC) * cellular * GPS * instrumentation * communication receivers & transmitters The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Directional Coupler Electrical Specifications FREQ. RANGE (MHz) Outline Drawing COUPLING* (dB) MAINLINE LOSS1 (dB) L fL-fU Nom. Flatness 20-2000 19.50.5 0.8 M DIRECTIVITY (dB) U L M Typ. Max. Typ. Max. Typ. Max. Typ. 0.8 1.3 0.7 1.3 1.0 1.6 VSWR (:1) 30 U POWER INPUT (W) L MU Min. Typ. Min. Typ. Min. Typ. Max. Max. 20 25 20 22 10 1.25 1.0 1.0 L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU] 1. Mainline loss includes theoretical power loss at coupled port. * Above 1000 MHz, coupling flatness 1 dB Typical Performance Data Frequency (MHz) B 1.25 31.75 C .75 19.05 D .63 16.00 E .38 9.65 F 1.00 25.40 G .125 3.18 J --- K --- L .125 3.18 M 1.688 42.88 N 2.18 55.37 P .75 19.05 Q wt .07 grams 1.78 70.0 Coupling (dB) In-Cpl Directivity (dB) 0.82 0.65 0.65 0.60 0.66 0.86 1.00 1.09 1.27 1.34 1.46 19.36 19.21 19.19 19.14 19.18 19.37 19.40 19.40 19.35 19.36 19.37 29.25 33.94 34.88 35.01 31.17 23.02 22.32 21.99 21.75 21.00 19.19 20.00 50.00 80.00 100.00 300.00 1000.00 1200.00 1400.00 1600.00 1800.00 2000.00 Outline Dimensions ( inch mm ) A 1.25 31.75 Mainline Loss (dB) In-Out H 1.000 25.40 ZFDC-20-50+ MAINLINE LOSS 17.95 21.29 22.44 22.93 25.70 24.12 20.46 17.71 15.67 14.04 12.70 19.33 23.63 25.39 26.11 28.22 32.91 32.70 30.28 27.28 24.37 21.84 21.82 24.42 25.30 25.66 28.13 28.50 24.27 21.55 19.50 17.79 16.24 COUPLING 50 DIRECTIVITY 40 1.2 30 0.8 20 0.4 10 0 0.0 0 400 800 1200 FREQUENCY (MHz) 1600 0 2000 400 800 1200 FREQUENCY (MHz) 1600 2000 Electrical Schematic ZFDC-20-50+ RETURN LOSS RETURN LOSS (dB) Cpl at RF level of -10 dBm COUPLING & DIRECTIVITY (dB) MAINLINE LOSS (dB) 60 1.6 60 Return Loss (dB) Out ZFDC-20-50+ COUPLING & DIRECTIVITY at RF level of -10 dBm 2.0 In at RF level of -10 dBm IN 50 OUT CPL 40 30 20 10 0 0 400 800 1200 FREQUENCY (MHz) 1600 2000 Mini-Circuits (R) ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine For detailed performance specs & shopping online see web site (R) Provides ACTUAL Data Instantly at minicircuits.com IF/RF MICROWAVE COMPONENTS Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications and performance data contained herein are based on Mini-Circuit's applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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. REV. C M119986 ZFDC-20-50+ WZ/TD/CP/AM 090917