"High Frequency Ceramic Solutions" 920/1885 MHz Dual Band Balun Detail Specification: P/N 0918BD41B050 12/19/08 Page 1 of 2 General Specifications Part Number Phase Difference 0918BD41B050 Band 1 900 ~ 940 Band 2 1850 ~ 1920 1.2 dB max. 1.7 dB max. Frequency (MHz) Insertion Loss @ BW Return Loss @ Unbalanced Port 8.5 dB Min. Unbalanced Impedence 50 Ω Differential Balanced Imp. 50 Ω @ 900 - 940MHz 180+/- 10 degrees @ 1850 - 1920MHz 180+/- 20 degrees Power Capacity Operating Temperature 1.0 Watt max. o -40 ~ +85 C Reel Quanity 2,000 Mechanical Dimensions Terminal Configuration In L 0.126 ± 0.008 W 0.098 ± 0.008 T 0.059 ± 0.006 mm 3.20 ± 0.20 2.50 ± 0.20 No. a1 0.022 ± 0.006 a2 0.028 ± 0.008 0.55 ± 0.15 0.70 ± 0.20 b a2 W 1.50 ± 0.15 0.004 min c L a1 p 0.1 min c 0.016 +.004/-.008 0.40 +0.1/-0.2 g 0.018 ± 0.006 p 0.039 ± 0.008 0.45 ± 0.15 1.00 ± 0.20 T Unit : mm g Function 1 GND 2 Unbalanced Port (Band 1) 3 GND 4 NC 5 Balanced Port 6 NC 7 Balanced Port 8 Unbalanced Port (Band 2) b Mounting Considerations Mount these devices with brown mark facing up. Line width should provide proper impedance matching characteristics. Units: mm 0.4 0.6 * Solder 1.5 * 1.5 0.9 Land Through-hole (φ0.35) 1.5 2.2 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 920/1885 MHz Dual Band Balun Detail Specification: P/N 0918BD41B050 12/19/08 Page 2 of 2 Typical Electrical Characteristics (T=25°C) Insertion Loss 0 (dB) IL_Band2 IL_Band1 -5 -10 -15 -20 -25 -30 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 freq, GHz 0 Return Loss (dB) RL_B and2 RL_B and1 -5 -10 -15 -20 -25 -30 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 freq, GHz Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved