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TFS340B Datasheet(PDF) 1 Page - Vectron International, Inc |
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TFS340B Datasheet(HTML) 1 Page - Vectron International, Inc |
1 / 5 page Filename: tfs 340b.doc Version 3.0 17.06.2015 Vectron International Filter specification TFS 340B 1/5 Vectron International GmbH Potsdamer Straße 18 D 14 513 TELTOW / Germany Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30 E-Mail: tft@vectron.com Vectron International GmbH 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 Input: 50 Output: 50 Source: 162 || -0.5pF Load: 162 || -0.5pF Characteristics Remark: The reference level for the relative attenuation arel of the TFS340B is the minimum of the passband attenuation amin. The minimum of the passband attenuation amin is defined as the insertion loss ae. The nominal frequency fN is fixed at 340MHz without any tolerance. The values of the relative attenuation arel are guaranteed over the whole operating temperature range. The frequency shift of the filter within the operating temperature range is included in the production tolerance scheme. D a t a typ. value tolerance / limit Insertion loss @ 23°C ae=amin 2.6 dB max. 3.5 dB Insertion loss in OTR ae=amin 3.1 dB max. 4.0 dB Nominal frequency fN 340.0 MHz Pass band PB fN ± 10.0 MHz Passband variation @ 23°C 2.4 dB max. 3 dB Relative attenuation arel fN - 80.0 MHz ... fN - 100.0 MHz 59 dB min. 50 dB fN - 35.0 MHz ... fN - 55.0 MHz 62 dB min. 30 dB fN + 25.0 MHz ... fN + 57.5 MHz 23 dB min. 20 dB fN + 57.5 MHz ... fN + 82.5 MHz 64 dB min. 40 dB fN + 127.5 MHz ... fN + 152.5 MHz 67 dB min. 57 dB Input power level max. 0 dBm Operating temperature range OTR -25 °C ... + 75 °C Storage temperature range -40 °C ... + 85 °C Temperature coefficient of frequency TCf ** -72 ppm/K *) 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. **) ∆fC(Hz) = TCf(ppm/K) x (T - TA) x fCTA (MHz) Generated: Checked / Approved: |
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