Coaxial Directional Coupler 50Ω ZX30-20-4 5 to 1000 MHz Maximum Ratings Features Operating Temperature • • • • -40°C to 85°C Storage Temperature -55°C to 100°C Coaxial Connections INPUT 1 OUTPUT 2 COUPLED 3 very flat coupling very broad, multi-octave all welded construction protected by U.S. Patent 6,140,887 & 6,784,531 Connectors SMA CASE STYLE: FL905 Model Price ZX30-20-4-S $29.95 Qty. (1-24) Applications • • • • VHF/UHF instrumentation communication receivers & transmitters cable tv Directional Coupler Electrical Specifications (TAMB= 25°C) FREQ. RANGE (MHz) Outline Drawing MAINLINE LOSS1 (dB) COUPLING (dB) fL-fU Nom. Typ. Flatness 5-1000 20.5±0.6 ±0.5 DIRECTIVITY (dB) L Typ. Max. M U Typ. Max. Typ. Max. 0.3 0.35 0.6 0.5 L Typ. Min. 0.6 0.9 21 M Typ. Min. 19 22 19 VSWR (:1) U Typ. Min. 19 11 POWER INPUT, W Typ. L Max. MU Max. 1.11 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. Typical Performance Data Frequency (MHz) Insertion Loss (dB) In-Out Coupling (dB) In-Cpl Directivity (dB) 0.29 0.29 0.32 0.33 0.34 0.36 0.41 0.46 0.51 0.56 20.09 20.12 20.16 20.17 20.18 20.20 20.29 20.46 20.63 20.85 21.35 22.22 23.67 26.11 29.14 28.63 22.50 16.86 14.14 12.18 20.00 100.00 180.00 260.00 340.00 450.00 575.00 750.00 875.00 1000.00 In 29.65 29.95 30.03 30.01 29.95 30.13 30.59 32.61 35.69 41.42 Return Loss (dB) Out 33.25 33.34 32.96 32.22 31.83 30.82 30.09 29.81 28.84 27.44 Cpl 27.81 27.20 25.43 23.53 21.53 19.44 17.36 15.04 13.69 12.56 Outline Dimensions ( inch mm ) K .122 3.10 D .50 12.70 L .496 12.60 E .04 1.02 M .106 2.69 F .16 4.06 G .29 7.37 N wt .122 grams 3.10 20.0 ZX30-20-4 INSERTION LOSS ZX30-20-4 COUPLING & DIRECTIVITY at RF level of -10 dBm 1.2 at RF level of -10 dBm 60 COUPLING & DIRECTIVITY (dB) J --- C .54 13.72 INSERTION LOSS (dB) H .37 9.40 B .90 22.86 0.8 0.4 0.0 COUPLING DIRECTIVITY 50 40 30 20 10 0 0 200 400 600 FREQUENCY (MHz) 800 1000 0 200 400 600 FREQUENCY (MHz) 800 1000 ZX30-20-4 RETURN LOSS 60 at RF level of -10 dBm IN RETURN LOSS (dB) A .74 18.80 OUT CPL electrical schematic 50 40 OUTPUT INPUT 30 20 COUPLED 10 0 200 ® Mini-Circuits 400 600 FREQUENCY (MHz) 800 1000 INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010 Mini-Circuits ISO 9001 & ISO 14001 Certified REV. F M95492 ED-10213A/5 ZX30-20-4 WZ/TD/CP 050921