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| SPECIFICATION TOKO P/No: 1. OUTLINE DIMENSION OF DIELECTRIC TDFM3A-1907E-11 FILTER 2. ELECTRICAL CHARACTERISTICS SPECIFICATION Center Frequency(Fo) Passband Width Input Output Impedance Insertion Loss in Passband Ripple in Passband V.S.W.R in Passband Attenuation : : : 1907.0MHz Fo 12MHz F 50 ohm : 1.6dB max. : 0.5dB max. : 1.5 max. : 35dB min. : 40dB min. : 20dB min. : 25dB min. : 25dB min. : 15dB min. 15dB min. at 1398a1421MHz at 1645a1670MHz at 2142a2167MHz at 3292a3340MHz at 3790a3836MHz at 4940a5009MHz at 5685a5754MHz !LL SPECIFICATIONS ARE AN ABSOLUTE VALUE TOKO, INC. Test Data of Dielectric Filter Toko No. : TDFM3A-1907E-11 0 10 20 30 40 50 60 70 80 90 100 Center Frequency : 1,800.00MHz Passband Insertion Loss Passband Ripple Passband V.S.W.R. Attenuation at 1,398.00~1,421.00MHz at 1,645.00~1,670.00MHz at 2,142.00~2,167.00MHz Span: 1,000.00MHz 1.33dB 0.10dB 1.17 41.05dB 51.33dB 22.60dB 0 5 10 15 20 25 30 35 40 45 50 Date : 95.10.19 Instrument : WILTRON 37217A Toko, INC. PCB Recommended Pattern For Dielectric Filter TOKO P/No : TDFM3A-1907E-11 SUBSTRATE MATERIAL: BT Resin CCL-H870 t=0.4mm. CCl-H870's typical dielectric constant is 3.6 at 1GHz. CAUTION: All terminals of this filter are connected to GND. Therefore, it mast be used without DC voltage. TOKO. INC., |
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