(1/2) Conformity to RoHS Directive Thin Film Chip Baluns For DVB-H/T and ISDB-T TTB Series TTB12G51 FEATURES This is an optimal, thin film chip balun transformer for 50 to 50 with low loss at DVB-H/T and ISDB-T frequency bands(174 to 860MHz). Does not contain lead and is compatible with lead-free soldering. It is a product conforming to RoHS directive. APPLICATIONS Balanced/unbalanced conversion for DVB-H/T and ISDB-T radio frequency inputs PRODUCT IDENTIFICATION SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD TTB 12 G51 - 900 - 2P - T 20 PATTERN (1) (2) (3) (4) (5) (6) (7) 1.75 1.250.07 0.75 (1) Series name (2) Case size (3) Product identification number 0.15typ. G51: Z0=50 (4) Common mode impedance 900: 90 at 100MHz 1 (5) Number of line 4 2P: 2-line Weight: 4mg 3 2 (6) Packaging style 0.250.15 Dimensions in mm T: 180mm reel taping (7) TDK internal code CIRCUIT DIAGRAM PACKAGING STYLE AND QUANTITIES Unbalanced input Balanced output 50 50 Packaging style Quantity 1 4 Taping 4000 pieces/reel 2 3 No polarity ELECTRICAL CHARACTERISTICS Part No. TTB12G51-900-2P Characteristics impedance 50 typ. DC resistance 1 line 1.7 max. Rated current Idc 0.1A max. Rated voltage Edc 10V max. Insulation resistance 10M min. Amplitude balance at balanced port 174 to 860MHz 01.5dB Phase balance at balanced port 174 to 860MHz 18015deg. 174MHz 0.5dB typ. Insertion loss 860MHz 0.7dB typ. Operating temperature ranges 25 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 / ttb balun ttb12g51 en.fm 0.50.1 1.00.07 0.60.07 0.30.1 0.55 0.3(2/2) FREQUENCY CHARACTERISTICS INSERTION LOSS RETURN LOSS 0 0 1 2 5 3 4 10 5 6 15 7 8 20 9 10 25 100 200 300 400 500 600 700 800 900 1000 100 200 300 400 500 600 700 800 900 1000 ( ) Frequency MHz Frequency(MHz) AMPLITUDE BALANCE at BALANCED PORT PHASE BALANCE at BALANCED PORT 4.5 200 4.0 195 3.5 190 3.0 185 2.5 2.0 180 1.5 175 1.0 170 0.5 165 0.0 0.5 160 100 200 300 400 500 600 700 800 900 1000 100 200 300 400 500 600 700 800 900 1000 ( ) ( ) Frequency MHz Frequency MHz All specifications are subject to change without notice. 001-01 / 20130901 / ttb balun ttb12g51 en.fm ( ) Amplitude balance dB Insertion loss SDS21(dB) ( ) ( ) Return loss dB Phase balance deg.