TTB08G51-350-2P

(1/2) Thin Film Chip Baluns For DVB-H/T and ISDB-T Conformity to RoHS Directive TTB Series TTB08G51 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 08 G51 - 350 - 2P - T (2) (3) (4) (5) (6) 20 (7) 0.9 0.65±0.05 0.5±0.1 0.3 0.5 0.27±0.1 (1) Series name (2) Case size (3) Product identification number G51: Z0=50 (4) Common mode impedance 350: 35[at 100MHz] (5) Number of line 2P: 2-line (6) Packaging style T: ø180mm reel taping (7) TDK internal code 1 2 0.15typ. 4 Weight: 1mg 3 +0.05 0.2 –0.1 Dimensions in mm CIRCUIT DIAGRAM PACKAGING STYLE AND QUANTITIES Packaging style Taping SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN 0.4±0.05 0.85±0.05 TTB (1) 0.3 PRODUCT IDENTIFICATION Quantity 10000 pieces/reel Unbalanced input 50Ω 1 2 ・No polarity Balanced output 50Ω 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 TTB08G51-350-2P 50 typ. 1.5 max. 0.1A max. 10V max. 10M min. 0±2.0dB 180±30deg. 0.6dB typ. 1.0dB typ. –25 to +85°C • 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_ttb08g51_en.fm (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 –10 100 200 300 400 500 600 700 Frequency (MHz) 800 900 –25 100 1000 4.5 Phase balance (deg.) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 200 300 400 500 600 700 Frequency (MHz) 800 900 200 300 400 500 600 700 Frequency (MHz) 800 900 1000 900 1000 PHASE BALANCE at BALANCED PORT 5.0 Amplitude balance (dB) –15 –20 AMPLITUDE BALANCE at BALANCED PORT 0.5 0.0 100 –10 1000 210 205 200 195 190 185 180 175 170 165 160 155 150 100 200 300 400 500 600 700 Frequency (MHz) 800 • All specifications are subject to change without notice. 001-01 / 20130901 / ttb_balun_ttb08g51_en.fm