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TFS140AM Datasheet(PDF) 1 Page - Vectron International, Inc |
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TFS140AM Datasheet(HTML) 1 Page - Vectron International, Inc |
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1 / 5 page  Filename: tfs 140am.doc Version 1.5 25.02.2008 VI TELEFILTER Filter specification TFS 140AM 1/5 Tele Filter GmbH Potsdamer Straße 18 D 14 513 TELTOW / Germany Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30 E-Mail: tft@vectron.com Measurement condition Ambient temperature: 25 °C Input power level: 0 dBm Terminating impedance: * Input: 143 Ω || -26 pF Output: 144 Ω || -29 pF Characteristics Remark: The reference level for the relative attenuation arel of the TFS 140AM is the minimum of the pass band attenuation. This value is defined as the insertion loss ae. The nominal frequency fN is fixed at 140 MHz without any tolerance. The values of relative attenuation arel are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme. D a t a typ. value tolerance / limit Insertion loss ae 8,5 dB max. 11 dB (reference level) Nominal frequency fN 140,0 MHz Passband PB 23,9 MHz fN ± 10,25 MHz Passband ripple 0,3 dB max. 1,4 MHz Passband ripple over any 10 kHz segment 0,02 dB max. 0,2 MHz Relative attenuation arel fN - 10,25 MHz … fN + 10,25 MHz 0,3 dB max. 1,4 dB fN - 100,0 MHz … fN - 17,3 MHz 42 dB min. 40 dB fN - 17,3 MHz … fN - 15,3 MHz 33 dB min. 30 dB fN ± 14,0 MHz 2) 28 dB fN + 16,3 MHz … fN + 18,3 MHz 39 dB min. 30 dB fN + 18,3 MHz … fN + 80,0 MHz 42 dB min. 40 dB fN + 80,0 MHz … fN + 110,0 MHz 58 dB min. 50 dB fN + 110,0 MHz … fN + 130,0 MHz 58 dB min. 35 dB fN + 130,0 MHz … fN + 210,0 MHz 40 dB min. 40 dB Absolute group delay 0,8 µs max. 1,5 µs Group delay ripple within PB 55 ns max. 100 ns Phase linearity within PB 3) p-p 5 deg max. 15 deg Triple transit response suppression 40 dB min. 35 dB VSWR 1,5:1 max. 2 : 1 Input power level max. + 17 dBm Operating temperature range OTR - 40 °C ... + 85 °C Storage temperature range - 40 °C ... + 85 °C Temperature coefficient of frequency TCf 4) -90 ppm/K - 1) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference values only. Should there be additional questions do not hesitate to ask for an application note or contact our design team. 2) @ 25 °C 3) over 90% of actual 1dB bandwidth 4) ∆f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz) Generated: Checked / Approved: VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. |
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