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TFS430B Datasheet(PDF) 1 Page - Vectron International, Inc |
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TFS430B Datasheet(HTML) 1 Page - Vectron International, Inc |
1 / 5 page Tfs430b.doc version 1.2 26.11.2002 VI TELEFILTER Filter Specification TFS 430B 1/5 VI TELEFILTER Potsdamer Stra ße 18 D 14 513 TELTOW / Germany Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30 E-Mail: tft@telefilter.com Measurement condition Ambient temperature TA: 23 °C Input power level: 0 dBm. Terminating Impedance at fc*: for input: 240 6,7 pF for output: 210 7,7 pF Characteristics Remark: Reference level for the relative attenuation arel of the TFS 430B is the minimum of the pass band attenuation amin. The minimum of the pass band attenuation amin is defined as the insertion loss ae. The centre frequency fc is the arithmetic mean value of the upper and lower frequencies at the 3 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 430 MHz without tolerance. The given values for the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below even if the centre frequency fc is shifted due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the centre frequency fc. D a t a typ. value tolerance / limit Insertion loss ae = amin 9,2 dB max. 10 dB (Reference level) Nominal frequency fN - 430 MHz Centre frequency fc 430 MHz Relative attenuation arel fN …fN ± 2 MHz - max. 1 dB fN ± 2 MHz …fN ± 3,325 MHz - max. 1,5 dB fN ± 9 MHz …fN ± 50 MHz 37 dB min. 30 dB fN ± 50 MHz …fN ± 100 MHz 45 dB min. 40 dB Phase Linearity fN ± 2 MHz 0,7 °rms max.3 °rms Operating temperature range - - 30 C ... + 70 C Storage temperature range - - 35 C … + 85 C Temperature coefficient of frequency TC - 19 ppm/K Frequency inversion temperature + 25 C *) 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. 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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