(1/2) Multilayer Chip Directional Couplers For GSM850/GSM900 Tx Conformity to RoHS Directive HHM Series HHM2915A2 0.1+0.10 –0.05 SHAPES AND DIMENSIONS 0.3±0.15 3 1 2 0.5±0.15 0.4max. 0.5±0.05 1.0±0.05 4 0.25 +0.15 –0.10 Terminal functions 1 Coupling 2 50Ω term 3 Output 4 Input Dimensions in mm RECOMMENDED PC BOARD PATTERNS 0.4 0.1 0.35 0.15 Dimensions in mm ELECTRICAL CHARACTERISTICS Frequency range Coupling factor Insertion loss Isolation VSWR Temperature range 1 2 Operating Storage 824 to 925MHz 23.2±1.2dB 0.2dB max.1 0.23dB max.2 35dB min. 1.4 max. –40 to +85°C –40 to +85°C 25°C Operating temperature • 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_coupler_hhm2915a2_en.fm (2/2) 1 2 3 45 800 900 Frequency (MHz) ISOLATION & DIRECTIVITY 1: 824MHz 23.7dB 2: 849MHz 23.4dB 3: 880MHz 23.1dB 4: 915MHz 22.8dB 5: 925MHz 22.7dB 1000 INSERTION LOSS Insertion loss (dB) 0.2 2 3 45 0.4 0.6 0.8 1.0 700 0 10 20 30 1 2 40 1 50 700 2 3 45 3 45 800 900 Frequency (MHz) Isolation : 1: 824MHz 47.7dB 2: 849MHz 47.2dB 3: 880MHz 47.0dB 4: 915MHz 46.5dB 5: 925MHz 46.4dB 1000 Directivity : 1: 824MHz 24.1dB 2: 849 MHz 23.8dB 3: 880MHz 23.9dB 4: 915MHz 23.7dB 5: 925MHz 23.7dB VSWR 0 1 Isolation & Directivity(dB) 0 5 10 15 20 25 30 35 40 700 800 900 Frequency (MHz) 1: 824MHz 0.07dB 2: 849MHz 0.07dB 3: 880MHz 0.08dB 4: 915MHz 0.08dB 5: 925MHz 0.08dB 1000 2.0 1: 824MHz 1.11 2: 849MHz 1.12 3: 880MHz 1.12 4: 915MHz 1.12 5: 925MHz 1.12 1.8 VSWR Coupling factor(dB) FREQUENCY CHARACTERISTICS COUPLING 1.6 1.4 1.2 1.0 700 45 3 1 2 800 900 Frequency (MHz) 1000 • All specifications are subject to change without notice. 001-02 / 20130901 / rf_coupler_hhm2915a2_en.fm