Coaxial Directional Coupler 50Ω ZFDC-20-5 0.1 to 2000 MHz Features Maximum Ratings Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C Coaxial Connections INPUT OUTPUT COUPLED BNC version shown • very wideband, 0.1 to 2000 MHz • excellent directivity, 27 dB typ. • excellent insertion loss, 0.7 dB typ. • rugged shielded case CASE STYLE: K18 Connectors Model BNC ZFDC-20-5 SMA ZFDC-20-5-S N-TYPE ZFDC-20-5-N BRACKET (OPTION"B") Applications 3 1 2 • cellular • instrumentation • communication receivers & transmitters Price $84.95 $89.95 $89.95 $2.50 Qty. (1-9) (1-9) (1-9) (1+) VSWR (:1) POWER INPUT (W) Directional Coupler Electrical Specifications Outline Drawing MAINLINE LOSS1 COUPLING (dB) FREQ. RANGE (MHz) L fL-fU Nom. Flatness 0.1-2000 19.5±0.5 ±0.5 L = low range [fL to 10 fL] M DIRECTIVITY (dB) U L Typ. Max. Typ. Max. Typ. Max. Typ. 0.3 1.0 0.7 M = mid range [10 fL to fU/2] 1.4 1.5 2.3 30 L MU Min. Typ. M Min. Typ. U Min. Typ. Max. Max. 20 27 20 22 10 1.2 0.5 2.0 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 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 Return Loss (dB) Out Cpl 25.09 33.79 34.79 32.56 30.03 11.79 21.84 23.69 26.83 22.02 11.84 22.89 25.23 27.83 22.00 12.78 21.74 23.40 26.54 23.17 28.13 28.46 29.48 34.06 18.40 19.60 19.23 18.96 18.82 18.91 20.58 20.30 20.07 19.75 17.73 18.75 17.73 16.64 15.02 10.05 Coupling (dB) In-Cpl Directivity (dB) 0.10 0.50 0.90 188.00 544.00 0.71 0.49 0.44 0.36 0.69 19.79 19.57 19.52 19.46 19.85 920.00 1020.00 1136.00 1310.00 2000.00 1.07 1.17 1.28 1.41 1.91 20.18 20.18 20.13 19.96 19.34 Outline Dimensions ( inch mm ) A 1.25 31.75 In Mainline Loss (dB) In-Out Frequency (MHz) ZFDC-20-5 MAINLINE LOSS 60 COUPLING DIRECTIVITY 50 1.6 40 1.2 30 0.8 20 0.4 10 0 0.0 0 400 800 1200 FREQUENCY (MHz) 1600 2000 ZFDC-20-5 RETURN LOSS IN OUT 0 400 800 1200 FREQUENCY (MHz) 1600 2000 electrical schematic at RF level of -10 dBm 40 RETURN LOSS (dB) at RF level of -10 dBm COUPLING & DIRECTIVITY (dB) MAINLINE LOSS (dB) ZFDC-20-5 COUPLING & DIRECTIVITY at RF level of -10 dBm 2.0 CPL 32 24 16 8 0 0 ® Mini-Circuits 400 800 1200 FREQUENCY (MHz) 1600 2000 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. OR M93827 ZFDC-20-5 WZ/TD/CP 061206