Coaxial Directional Coupler 50 ZFDC-20-4+ 1 to 1000 MHz Features Maximum Ratings Operating Temperature -55C to 100C Storage Temperature -55C to 100C Permanent damage may occur if any of these limits are exceeded. Coaxial Connections INPUT OUTPUT COUPLED BNC version shown CASE STYLE: K18 * wideband, 1 to 1000 MHz * excellent directivity, 27 dB typ. * excellent mainline loss, 0.4 dB typ. * excellent VSWR, 1.1:1 typ. * rugged shielded case 3 1 2 Connectors Model BNC ZFDC-20-4+ SMA ZFDC-20-4-S+ N-TYPEZFDC-20-4-N(+) BRACKET (OPTION"B") Applications Price $64.95 $69.95 $69.95 $5.00 Qty. (1-9) (1-9) (1-9) (1+) +RoHS Compliant * VHF/UHF * cellular * instrumentation * communication receivers & transmitters The +Suffix identifies 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 1-1000 19.50.5 0.5 M DIRECTIVITY (dB) U L Typ. Max. Typ. Max. Typ. Max. Typ. 0.4 1.2 0.4 0.8 0.8 1.5 VSWR (:1) M L MU Min. Typ. Min. Typ. Min. Typ. Max. Max. 28 27 20 23 18 1.1 0.5 2.0 36 U POWER INPUT (W) 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. Typical Performance Data Frequency (MHz) Mainline Loss (dB) In-Out Coupling (dB) In-Cpl Directivity (dB) 1.00 5.00 9.00 96.00 248.00 0.49 0.34 0.33 0.31 0.35 19.58 19.44 19.42 19.42 19.47 420.00 520.00 640.00 840.00 1000.00 0.41 0.46 0.53 0.68 0.84 19.55 19.60 19.66 19.77 19.87 Outline Dimensions ( inch mm ) A 1.25 31.75 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 H 1.000 25.40 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 In Return Loss (dB) Out Cpl 43.20 45.40 46.16 41.47 34.00 23.54 27.48 28.13 28.71 29.63 24.84 30.16 31.18 31.90 31.49 24.95 30.85 31.81 31.89 31.18 30.27 29.14 28.26 28.03 28.35 31.67 33.53 35.77 35.04 30.50 30.80 30.43 29.99 29.07 27.81 29.73 28.67 27.20 24.87 23.33 ZFDC-20-4+ COUPLING & DIRECTIVITY ZFDC-20-4+ MAINLINE LOSS at RF level of -10 dBm 70 COUPLING 60 0.8 DIRECTIVITY 50 0.6 40 30 0.4 20 0.2 10 0 0.0 0 200 400 600 FREQUENCY (MHz) 800 0 1000 50 200 400 600 FREQUENCY (MHz) 800 1000 Electrical Schematic ZFDC-20-4+ RETURN LOSS RETURN LOSS (dB) at RF level of -10 dBm COUPLING & DIRECTIVITY (dB) MAINLINE LOSS (dB) 1.0 at RF level of -10 dBm IN 42 OUT CPL 34 26 18 10 0 200 400 600 FREQUENCY (MHz) 800 1000 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 M121747 ZFDC-20-4+ WZ/TD/CP/AM 120927