Coaxial Bi-Directional Coupler 50Ω Up to 10W ZFBDC20-900HP 800 to 900 MHz Maximum Ratings Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C Features Permanent damage may occur if any of these limits are exceeded. • very low mainline loss, 0.1 dB typ. • excellent directivity, 28 dB typ. • excellent VSWR, 1.1: typ. • high power operation, 10W CASE STYLE: J17 Connectors Model SMA ZFBDC20-900HP BRACKET (OPTION "B") Coaxial Connections INPUT2 Applications • VSWR measurement • power monitoring of cellular transmitters • power levelling OUTPUT3 COUPLED (forward) 1 COUPLED (reverse) S Price Qty. $79.95 (1-9) $5.00 (1+) Bi-Directional Coupler Electrical Specifications FREQ. (MHz) Outline Drawing COUPLING (dB) MAINLINE LOSS1 (dB) fL-fU Nom. Flatness 800-900 20.7±0.6 ±0.6 DIRECTIVITY (dB) Typ. Max. 0.1 0.4 VSWR (:1) POWER INPUT (W) Typ. Min. Typ. Max. 28 20 1.1 10 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data Frequency (MHz) Mainline Loss (dB) In-Out K --- L M N P .125 1.688 2.18 .75 3.18 42.88 55.37 19.05 Out-Cpl Rev Out-Cpl Fwd Return Loss (dB) In-Cpl Rev In Out Cpl Fwd Cpl Rev 0.13 0.11 0.13 0.13 0.13 20.24 20.20 20.13 20.08 20.05 20.31 20.24 20.19 20.15 20.11 27.20 26.84 26.62 26.22 26.10 24.84 25.58 25.41 25.63 25.73 23.2923.46 23.4623.61 23.6923.88 23.8023.97 23.9124.10 27.07 27.44 28.08 28.43 28.69 27.50 27.82 28.28 28.53 28.74 G H 860.00 871.25 .125 1.000 875.00 3.18 25.40 890.00 0.13 0.13 0.13 0.13 0.13 20.00 19.96 19.95 19.89 19.86 20.07 20.03 20.00 19.96 19.91 26.12 25.83 25.57 25.56 25.69 26.00 26.34 26.37 26.84 26.80 24.0524.22 24.1624.39 24.2024.44 24.3824.62 24.4724.70 29.09 29.54 29.58 30.18 30.59 29.10 29.37 29.44 29.85 30.08 Q wt .07 grams 1.78 75.0 901.25 ZFBDC20-900HP MAINLINE LOSS For option B with N-Type connectors, dimension "C" increases to 0.94 inches. MAINLINE LOSS (dB) 0.3 40 at RF level of -10 dBm COUPLING IN-CPL FWD 35 DIRECTIVITY OUT-CPL FWD 30 0.2 25 20 0.1 15 0.0 800 820 840 860 FREQUENCY (MHz) 880 900 35 10 800 820 840 860 FREQUENCY (MHz) 880 900 Electrical Schematic ZFBDC20-900HP RETURN LOSS RETURN LOSS (dB) ZFBDC20-900HP COUPLING & DIRECTIVITY at RF level of -10 dBm COUPLING & DIRECTIVITY (dB) J --- E F .38 1.000 9.65 25.40 In-Cpl Fwd Directivity (dB) 800.00 811.25 830.00 841.25 848.75 Outline Dimensions ( inch mm ) A B C D 1.25 1.25 .75 .63 31.75 31.75 19.05 16.00 Coupling (dB) at RF level of -10 dBm IN OUT CPL FWD CPL REV 30 25 20 800 820 840 860 880 900 FREQUENCY (MHz) Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document 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 Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] REV. B M124579 ZFBDC-20-900HP WP/TD/CP/AM 131015 Page 1 of 1