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TFS117A Datasheet(PDF) 1 Page - Vectron International, Inc |
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TFS117A Datasheet(HTML) 1 Page - Vectron International, Inc |
1 / 5 page Tfs117a.doc version 1.1 07.03.2001 ______________________________________________________________________________________________________ VI TELEFILTER Filter Specification TFS 117A 1/5 ______________________________________________________________________________________________________ VI TELEFILTER Vectron International, Inc. Potsdamer Straße 18 267 Lowell Road D 14 513 TELTOW / Germany Hudson, NH 03051 / USA Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30 Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: tft@telefilter.com E-Mail: vti@vtinh.com 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. Measurement condition Ambient temperature: 23 °C Input power level: 0 dBm Terminating impedances for input: 840 Ohm // -3.9 pF. for output: 840 Ohm // -3.9 pF External coil: 290 nH Characteristics Remark: Reference level for the relative attenuation arel of the TFS 117A is the insertion loss. The insertion loss ae is defined as the insertion loss at the nominal frequency fN . 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 on 117.6 MHz without tolerance. The specified values have to be reached in operating temperature range. D a t a typ. Value tolerance/limit Insertion loss ae- 1,25 ... 3,25 dB (Reference level) Nominal frequency fN - 117,600 MHz Centre frequency fC 117,605 MHz - 1 dB bandwidth BW - - Relative attenuation arel fN ± 0,8 MHz ... fN ± 1,8 MHz 42 dB min. 20 dB fN ± 1,8 MHz ... fN ± 6 MHz 44 dB min. 30 dB fN ± 6 MHz ... fN ± 100 MHz 28...90 dB min. 10 dB VSWR @ fN 1,3 : 1 max. 1,8 : 1 Group delay GD @ fN 4,3 µs max. 8,2 µs Input power -max. 13 dBm Operating temperature range - 5 °C ... + 80 °C Temperature coefficient of frequency TC ca. – 0,036 ppm/K² Frequency inversion temperature + 35 °C Generated: Checked / approved: |
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