Thin Film Balun Transformers For DVB-H/T, ISDB-T TTB Series Type: TTB12G51 (1.25x1.0x0.6mm) Issue date: December 2010 * All specifications are subject to change without notice. * 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. (1/2) Thin Film Chip Baluns For DVB-H/T and ISDB-T Conformity to RoHS Directive 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 TTB (1) 12 G51 - 900 - 2P - T (2) (3) (4) (5) (6) 20 (7) SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN 1.75 1.250.07 0.55 1.00.07 (1) Series name (2) Case size (3) Product identification number G51: Z0=50 (4) Common mode impedance 900: 90 [at 100MHz] (5) Number of line 2P: 2-line (6) Packaging style T: o180mm reel taping (7) TDK internal code 0.50.1 0.30.1 0.60.07 0.15typ. 0.3 0.75 1 2 4 Weight: 4mg 3 0.250.15 Dimensions in mm CIRCUIT DIAGRAM PACKAGING STYLE AND QUANTITIES Packaging style Taping Quantity 4000 pieces/reel Unbalanced input 50 1 2 No polarity Balanced output 50 4 3 ELECTRICAL CHARACTERISTICS Part No. Characteristics impedance DC resistance Rated current Idc Rated voltage Edc Insulation resistance Amplitude balance at balanced port Phase balance at balanced port Insertion loss [1 line] [174 to 860MHz] [174 to 860MHz] [174MHz] [860MHz] Operating temperature ranges TTB12G51-900-2P 50 typ. 1.7 max. 0.1A max. 10V max. 10M min. 01.5dB 18015deg. 0.5dB typ. 0.7dB typ. -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 / 20101215 / e751_filmbalun_ttb02 (2/2) FREQUENCY CHARACTERISTICS INSERTION LOSS RETURN LOSS 0 0 -2 -5 -3 Return loss (dB) Insertion loss SDS21(dB) -1 -4 -5 -6 -7 -8 -9 -10 100 -15 -20 200 300 400 500 600 700 Frequency (MHz) 800 900 -25 100 1000 AMPLITUDE BALANCE at BALANCED PORT 4.5 200 4.0 195 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 100 200 300 400 500 600 700 Frequency (MHz) 800 900 1000 900 1000 PHASE BALANCE at BALANCED PORT Phase balance (deg.) Amplitude balance (dB) -10 190 185 180 175 170 165 200 300 400 500 600 700 Frequency (MHz) 800 900 1000 160 100 200 300 400 500 600 700 Frequency (MHz) 800 * All specifications are subject to change without notice. 001-01 / 20101215 / e751_filmbalun_ttb02