(1/2) Multilayer Chip Baluns For DVB-H/ISDB-T Conformity to RoHS Directive HHM Series HHM1591A2 SHAPES AND DIMENSIONS 2.00.15 0.950.1 5 4 1 2 3 +0.1 0.25-0.2 1.250.15 6 0.650.2 0.20.2 0.30.2 0.350.2 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 Unbalanced input 50 Balanced output 100 1 2 3 RECOMMENDED PC BOARD PATTERNS 0.2 This width is 50. Micro-strip line for 0.4mm thick glass-epoxy substrate. 6 5 4 1 2 3 0.8 0.6 0.8 0.3 7 0. 0.3 o0.3 Through-hole 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 50 100 350 to 950MHz 4.5dB min. 18020deg. 02.0dB 2.8dB max. -40 to +85C -40 to +85C 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. 001-01 / 20080105 / e751_hhm1591a2.fm (2/2) Insertion loss (dB) INSERTION LOSS 0.0 1: 350.0MHz -0.5 -2.20dB -1.0 2 2: 650.0MHz -1.5 3 -0.92dB -2.0 3: 950.0MHz -2.5 1 -1.30dB -3.0 -3.5 -4.0 -4.5 -5.0 300 400 500 600 700 800 900 100011001200 Frequency (MHz) AMPLITUDE BALANCE Amplitude balance (dB) 0 1: 350.0MHz -5 -6.73dB -10 1 2: 650.0MHz -17.05dB 3 -15 3: 950.0MHz 2 -20 -12.20dB -25 -30 -35 -40 300 400 500 600 700 800 900 100011001200 Frequency (MHz) 5 1: 350.0MHz 4 -0.43dB 3 2: 650.0MHz 2 0.19dB 1 3: 950.0MHz 0 3 0.61dB 2 -1 1 -2 -3 -4 -5 300 400 500 600 700 800 900 100011001200 Frequency (MHz) PHASE BALANCE 200 Phase balance (deg.) Return loss (dB) FREQUENCY CHARACTERISTICS Unbalance 50/Balance 100 RETURN LOSS 1: 350.0MHz 178.43deg. 2: 650.0MHz 176.25deg. 3: 950.0MHz 174.96deg. 190 180 1 170 2 3 160 300 400 500 600 700 800 900 100011001200 Frequency (MHz) * All specifications are subject to change without notice. 001-01 / 20080105 / e751_hhm1591a2.fm