(1/2) Multilayer Chip Baluns For Bluetooth & 2.4GHz W-LAN Conformity to RoHS Directive HHM Series HHM1902B1 SHAPES AND DIMENSIONS 1.00.05 1 2 0.20.1 0.50max. 0.50.05 3 0.120.07 0.10.1 4 0.30.1 Terminal functions 1 Unbalance 2 Balance 3 Balance 4 GND Dimensions in mm RECOMMENDED PC BOARD PATTERNS 0.9 0.35 0.2 0.8 0.2 0.3 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 50 50 2400 to 2500MHz 10dB min. 18010deg. 02.0dB 0.8dB max. -40 to +85C -40 to +85C * 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. 001-01 / 20130901 / rf_balun_hhm1902b1_en.fm (2/2) AMPLITUDE BALANCE 1: 2400.0MHz -27.58dB 2: 2450.0MHz -28.22dB 3: 2500.0MHz -28.38dB 1 2300 2 3 2400 2500 Frequency (MHz) 2600 2700 Insertion loss (dB) INSERTION LOSS 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 2200 Amplitude balance (dB) 0 -5 -10 -15 -20 -25 -30 -35 -40 2200 5 4 3 2 1 0 -1 -2 -3 -4 -5 2200 1 2300 2 1: 2400.0MHz -0.20dB 2: 2450.0MHz 0.05dB 3: 2500.0MHz 0.32dB 3 2400 2500 Frequency (MHz) 2600 200 1 2300 2700 PHASE BALANCE 2 1: 2400.0MHz -0.30dB 2: 2450.0MHz -0.29dB 3: 2500.0MHz -0.29dB 3 2400 2500 Frequency (MHz) 2600 2700 Phase balance (deg.) Return loss (dB) FREQUENCY CHARACTERISTICS Unbalance 50 /Balance 50 RETURN LOSS 1: 2400.0MHz 180.39deg. 2: 2450.0MHz 180.13deg. 3: 2500.0MHz 179.94deg. 190 180 1 2 3 170 160 2200 2300 2400 2500 Frequency (MHz) 2600 2700 * All specifications are subject to change without notice. 001-01 / 20130901 / rf_balun_hhm1902b1_en.fm