Coaxial ZFDC-20-50+ ZFDC-20-50 Directional Coupler 50 20 to 2000 MHz Maximum Ratings Operating Temperature -55C to 100C Storage Temperature -55C to 100C Coaxial Connections INPUT OUTPUT COUPLED Features * very wideband, 20 to 2000 MHz * excellent directivity, 25 dB typ. * excellent insertion loss, 0.7 dB typ. * rugged shielded case 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 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 20-2000 19.50.5 0.8 M DIRECTIVITY (dB) U L Typ. Max. Typ. Max. Typ. Max. Typ. 0.8 1.3 0.7 1.3 1.0 1.6 30 VSWR (:1) M 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 70.0 1.78 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 COUPLING & DIRECTIVITY (dB) MAINLINE LOSS (dB) 1.2 0.8 0.4 0.0 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 30 20 10 0 0 400 800 1200 FREQUENCY (MHz) 1600 0 2000 ZFDC-20-50 RETURN LOSS RETURN LOSS (dB) Cpl at RF level of -10 dBm 60 1.6 60 Return Loss (dB) Out ZFDC-20-50 COUPLING & DIRECTIVITY at RF level of -10 dBm 2.0 In 50 OUT 800 1200 FREQUENCY (MHz) 1600 2000 electrical schematic at RF level of -10 dBm IN 400 CPL 40 30 20 10 0 0 400 800 1200 1600 2000 FREQUENCY (MHz) Mini-Circuits (R) EW ALL N minicircuits.com ISO 9001 ISO 14001 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com RF/IF MICROWAVE COMPONENTS REV. A M110180 ZFDC-20-50 WZ/TD/CP 070312