“High Frequency Ceramic Solutions” 890/1748 MHz Dual Band Directional Coupler P/N 0898CD15B1748 Detail Specification Page 1 of 2 Part Number Frequency (MHz) 0898CD15B1748_ B1) Insertion Loss Return Loss Coupling (dB) Isolation 880 - 915 0.4 dB max 10.9 dB 19.2 ± 1.0 B1 In > B2 Out: 35.0 dB min. B2) 1710 - 1785 0.4 dB max 10.9 dB 19.2 ± 1.0 B1 In > B2 In: 25.0 dB min. B1 Out > B2 In: 25.0 dB min. B1 In > Term: 23.0 dB min. B2 In > Term: 23.0 dB min. Input Power Impedance Operating Temperature Range Reel Qty 3 Watts max 50 Ω -40 to +85°C 4000 Mechanical Dimensions Inches mm L W T a b c g p 0.079 ± .004 2.0 ± 0.1 0.049± .004 1.25 ± 0.1 0.034 ± .004 0.85 ± 0.1 0.012 ± .004 0.30 ± 0.1 0.008 ± .004 0.20 ± 0.1 0.012 + .004/-.008 0.30+0.1/-0.2 0.014 ± .004 0.35 ± 0.1 0.026 ±.002 0.65 ± 0.05 Terminal Configuration 1 2 3 4 Band 1 IN (Port 1) GND Band 2 IN (Port 3) Termination (Port 6) 5 Band 2 OUT (Port 4) 6 GND 7 Band 1 OUT (Port 2) 8 Coupling OUT (Port 5) Mounting Considerations Mount these devices with brown colored side facing up. Line width should be designed to provide 50Ω impedance matching characteristics. Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johanson technology.com 931 Via Alondra • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 “High Frequency Ceramic Solutions” 890/1748 MHz Dual Band Directional Coupler P/N 0898CD15B1748 Detail Specification Page 2 of 2 www.johanson technology.com 931 Via Alondra • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821