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Datasheet File OCR Text: |
rohs compliant toko.inc., 081205 specification of dielectric filter (preliminary) toko p/no: TDFM1B-1747O-11A 1. outline dimension 2. electrical characteristics specification center frequency (fo) : 1747.5 mhz pass band width : fo 37.5 mhz insertion loss in pass band : 3.2db max. ripple in pass band : 1.2db max. v.s.w.r in pass band : 2.0 max. attenuation at 1507.5 mhz : 25.0db min. at 1587.5 mhz : 25.0db min. at 1667.5 mhz : 8.0db min. at 1827.5 mhz : 8.0db min. at 1907.5 mhz : 25.0db min. at 1987.5 mhz : 25.0db min. in/out impedance : 50 ohm (all specifications are an absolute value.) this filter was measured on a pc board in toko sta ndard test jig. test jig loss is not included in il and attenuation . precaution do not connect terminals to dc voltage. notice note that the contents are subject to change or dis continuation without notice. please request for official specification for appro val before using this products.
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