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| TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ VI TELEFILTER Filter specification TFS 70 G - Page 1 / 3 ______________________________________________________________________________________________________ Measurement condition Ambient temperature: Input power level: Source impedance: Load impedance: 23 C 0 dBm 50 and test adapter 50 and test adapter Characteristics Remark: Reference level for the relative attenuation arel of the TFS 70 G 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 fo is the arithmetic mean value of the upper and lower frequencies at the 3dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 70,00 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 also if the centre frequency fo 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 fo. Data ______________________________________________________________________________________________________ 22 dB ae Insertion loss (Reference level) ______________________________________________________________________________________________________ 70,0 MHz fN Nominal frequency ______________________________________________________________________________________________________ 70,0 MHz Centre frequency fo _____________________________________________________________________________________________________ Pass band fN - 100 kHz ... fN + 100 kHz ______________________________________________________________________________________________________ Relative attenuation fN arel typ. value tolerance / limit 40 MHz ... fN 57 MHz - min. 45 dB fN 83 MHz ... fN 100 MHz min 45 dB ______________________________________________________________________________________________________ Group delay GD Absolute delay fN - 65 MHz ... fN + 75 MHz 2 s max 2,15 s ______________________________________________________________________________________________________ - 72 ppm/K TCf *) Temperature coefficient of frequency ______________________________________________________________________________________________________ -5 C Frequency inversion temperature To ______________________________________________________________________________________________________ Operating temperature range - 20 C ... + 85 C Storage temperature range - 40 C ... + 85 C ______________________________________________________________________________________________________ 12 V Permissible DC voltage VDC 10 V Permissible AC voltage Vpp ______________________________________________________________________________________________________ *) f(Hz) = TCf(ppm/K) x (T) x fTo(MHz) Generated: Checked / approved: ______________________________________________________________________________________________________ VI TELEFILTER Vectron International, Inc. Potsdamer Strae 18 267 Lowell Road D 14 513 TELTOW / Germany Hudson, NH 03051 / USA Tel: (+49) 3328 4784-52 / 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 TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ VI TELEFILTER Filter specification TFS 70 G - Page 2 / 3 ______________________________________________________________________________________________________ Construction, pin connection and 50 matching network (All dimensions in mm) 1 2 3 4 Input GND GND GND Output 5 6 7 8 Output GND GND GND Input TFS 70 G L3 L1 = 495 nH L2 = 375 nH L3 = 510 nH L4 = 395 nH Air reflow temperature conditions 1st and 2nd air reflow profile ______________________________________________________________________________________________________ VI TELEFILTER Vectron International, Inc. Potsdamer Strae 18 267 Lowell Road D 14 513 TELTOW / Germany Hudson, NH 03051 / USA Tel: (+49) 3328 4784-52 / 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 TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ VI TELEFILTER Filter specification TFS 70 G - Page 3 / 3 ______________________________________________________________________________________________________ Name: Temperature: Time: pre-heating periods 150 C - 170 C 60 sec. - 90 sec. main-heating periods over 200 C 20 sec. - 25 sec. peak temperature 255 C 5 C Chip-mount air reflow profile 260 240 220 200 180 temperature / C 160 140 120 100 80 60 40 20 0 0 20 40 60 80 100 120 time / sec. 140 160 180 200 220 240 Table for temperature vs. time during the air reflow process Tolerance of temperatures: 5 C time / sec. 0 10 20 30 40 50 60 70 80 90 100 110 120 130 temperature / C 23 34 46 60 80 103 121 134 143 150 154 156 158 159 time / sec. 140 150 160 170 180 190 195 200 205 210 215 220 230 240 temperature / C 160 161 164 170 180 205 230 255 230 205 180 165 140 120 ______________________________________________________________________________________________________ VI TELEFILTER Vectron International, Inc. Potsdamer Strae 18 267 Lowell Road D 14 513 TELTOW / Germany Hudson, NH 03051 / USA Tel: (+49) 3328 4784-52 / 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 |
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