(1/2) Multilayer Chip Baluns For DCS-PCS/Tx & Rx Conformity to RoHS Directive HHM Series HHM1518A3 SHAPES AND DIMENSIONS 2.0±0.15 0.95±0.1 5 4 1 2 3 +0.1 0.25–0.2 1.25±0.15 6 0.65±0.2 0.2±0.2 0.3±0.2 0.35±0.2 Terminal functions 1 Unbalanced port 2 GND or DC feed+ RF GND 3 Balanced port 4 Balanced port 5 GND 6 N.C. Dimensions in mm CIRCUIT DIAGRAM 6 5 4 Balanced output 150Ω Unbalanced input 50Ω 1 2 3 RECOMMENDED PC BOARD PATTERNS 0.50 0.80 0.30 0.35 Dimensions in mm ELECTRICAL CHARACTERISTICS Unbalanced impedance Balanced impedance Frequency range Unbalanced port return loss Phase imbalance at balanced port Amplitude imbalance at balanced port Insertion loss Operating Temperature range Storage Packaging style and quantities 50 150 1710 to 1990MHz 10dB min. 180±10deg. 0±1.0dB 1.0dB max. –40 to +85°C –40 to +85°C 2000pieces/reel • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. • All specifications are subject to change without notice. 001-02 / 20130901 / rf_balun_hhm1518a3_en.fm (2/2) Insertion loss (dB) INSERTION LOSS 0.0 1: 1710MHz –0.5 –0.544dB 1 2 3 –1.0 2: 1850MHz –1.5 –0.580dB –2.0 3: 1990MHz –2.5 –0.611dB –3.0 –3.5 –4.0 –4.5 –5.0 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 Frequency (MHz) Amplitude balance (dB) 0 1: 1710MHz –5 –20.71dB –10 2: 1850MHz –15 –19.68dB –20 3: 1990MHz 2 3 1 –25 –19.87dB –30 –35 –40 –45 –50 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 Frequency (MHz) AMPLITUDE BALANCE 5 1: 1710MHz 4 0.265dB 3 2: 1850MHz 2 0.222dB 1 3: 1990MHz 0 0.101dB 2 1 3 –1 –2 –3 –4 –5 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 Frequency (MHz) PHASE BALANCE Phase balance (deg.) Return loss (dB) FREQUENCY CHARACTERISTICS Unbalance 50 /Balance 150 RETURN LOSS 205 1: 1710MHz 200 177.8deg. 195 2: 1850MHz 190 178.9deg. 185 3: 1990MHz 180 179.8deg. 3 2 175 1 170 165 160 155 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 Frequency (MHz) • All specifications are subject to change without notice. 001-02 / 20130901 / rf_balun_hhm1518a3_en.fm