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| TFS248B.eng Version1.0, 01/98 ______________________________________________________________________________________________________ VI TELEFILTER Measurement condition Ambient temperature: Input power level: Source impedance: Load impedance: Ext coil: Construction see page 2 Characteristics SAW filter specification TFS 248 B 1/4 ______________________________________________________________________________________________________ 23 C 0 dBm 490 || -2.62 pF ( 10%) 490 || -2.62 pF ( 10%) 82 nH Remark: Reference level for the relative attenuation arel of the TFS 248 B 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 nominal frequency fN is fixed on 248,450 MHz without tolerance. Data typ. value tolerance / limit ______________________________________________________________________________________________________ 2,5 dB max 5 dB ae = amin Insertion loss (Reference level) ______________________________________________________________________________________________________ 248,450 MHz fN Nominal frequency ______________________________________________________________________________________________________ Pass band ripple fN - 85 kHz ... fN + 93 kHz max 1,5 dB ______________________________________________________________________________________________________ Relative attenuation arel 248,45 MHz 120 kHz 1,5 dB max 3 dB 248,45 MHz 330 kHz ... 248,45 MHz 400 kHz 22 dB min 18 dB 248,45 MHz 400 kHz ... 248,45 MHz 600 kHz 33 dB min 25 dB 248,45 MHz 600 kHz ... 248,45 MHz 800 MHz 50 dB min 40 dB 248,45 MHz 800 kHz ... 248,45 MHz 1,6 MHz 55 dB min 45 dB 248,45 MHz 1,6 MHz ... 248,45 MHz 3,0 MHz 55 dB min 45 dB 248,45 MHz 3,0 MHz ... 248,45 MHz 20 MHz 55 dB min 46 dB 248,45 MHz 20 MHz ...248,45 MHz 100 MHz 55 dB min 45 dB ______________________________________________________________________________________________________ GDD Group delay distortion 248,45 MHz 50 kHz 0,5 s max 1,2 s 248,45 MHz 70 kHz 0,8 s max 1,5 s 248,45 MHz 100 kHz 1,2 s max 2,5 s ______________________________________________________________________________________________________ Operating temperature range - 20 C ... + 70 C Storage temperature range - 30 C ... + 85 C ______________________________________________________________________________________________________ - 0,036 ppm/K Temperature coefficient of frequency TCf ______________________________________________________________________________________________________ Frequency inversion temperature + 25 C ______________________________________________________________________________________________________ generated: checked/approved: ______________________________________________________________________________________________________ VI TELEFILTER / Potsdamer Strae 18 / D 14 513 TELTOW Phone: (+33 28) 47 84 52 / Facsimile: (+33 28) 47 84 30 / e-mail: tft@telefilter.com Vectron Technologies Inc. / 267 Lowell Road / Hudson, NH 03051 U.S.A. Phone: (+603) 598-0070 / Facsimile: (+603) 598-0075 / e-mail: vti@vtinh.com TFS248B.eng Version 1.0, 01/98 ______________________________________________________________________________________________________ VI TELEFILTER Construction and pin configuration (All dimensions in mm) SAW filter specification TFS 248 B 2/4 ______________________________________________________________________________________________________ S 248B K1 1 Output 2 Output 3 Ground 4 ext. Coil 5 Ground 6 Ground 7 Input 8 Input 9 Ground 10 Ground 11 Ground 12 Ground 50 Ohm Test circuit 1 LB-IN L1 8 1 L2 LB-OUT C1 SAW 7 4 3,5,6,9,10,11,12 L5 2 C2 L3 L4 50 Ohm Test circuit 2 LB-IN C1 8 1 C2 LB-OUT L1 SAW 7 2 4 L3 L2 C3 C4 3,5,6,9,10,11,12 ______________________________________________________________________________________________________ VI TELEFILTER / Potsdamer Strae 18 / D 14 513 TELTOW Phone: (+33 28) 47 84 52 / Facsimile: (+33 28) 47 84 30 / e-mail: tft@telefilter.com Vectron Technologies Inc. / 267 Lowell Road / Hudson, NH 03051 U.S.A. Phone: (+603) 598-0070 / Facsimile: (+603) 598-0075 / e-mail: vti@vtinh.com TFS248B.eng Version 1.0, 01/98 ______________________________________________________________________________________________________ VI TELEFILTER Stability characteristics SAW filter specification TFS 248 B 3/4 ______________________________________________________________________________________________________ After the following tests the filter shall meet the whole specification: 1. Shock: 100g, 18 ms, half sine wave, 3 shocks each plane; IEC 68 - 2 - 27 10 Hz to 500 Hz, 0.35 mm amplitude, 5g; 2 hours for 3 planes; IEC 68 - 2 - 6 90 % to 95 % rel. humidity, 40 C, 10 days; IEC 68 - 2 - 3 2. Vibration: 3. Damp heat: 4. Resistance to solder heat (Reflow): 260 C for 10 sec; Packing Tape & Reel: IEC 286 - 3, with exception of value for N and minimum bending radius; tape type II, embossed carrier tape with top cover tape on the upper side; max. pieces of filters per reel: 3400 Tape (all dimensions in mm) W Po Do D1 E : : : : : 16 4 1,5 1,5 0,3 0,1 + 0,5 + 0,5 EMBOSSED CARRIER TAPE Do Po P2 E Ao F W 1,75 0,1 7,5 0,1 0,75 2 8 1,5 5,4 7,4 0,05 0,1 P1 13,4 0,1 F : G (min) : P2 P1 : : D1 Bo G D1(min) : Ao : Bo : 0,1 0,1 COVER TAPE W2 Reel (all dimensions in mm): A W1 W2 (max) : N (min) C : : : : 330 16,4 +2 22,4 >= 90 C A N 13 0,25 W1 The minimum bending radius is 45 mm. The mounting surface of the filters faces the bottom side of the embossed carrier tape. The marking of the filters is able to read if the view is directed on the upper side of the carrier tape with the sprocket holes on the right side of the tape. _____________________________________________________________________________________________________ VI TELEFILTER / Potsdamer Strae 18 / D 14 513 TELTOW Phone: (+33 28) 47 84 52 / Facsimile: (+33 28) 47 84 30 / e-mail: tft@telefilter.com Vectron Technologies Inc. / 267 Lowell Road / Hudson, NH 03051 U.S.A. Phone: (+603) 598-0070 / Facsimile: (+603) 598-0075 / e-mail: vti@vtinh.com TFS248B.eng Version 1.0, 01/98 ______________________________________________________________________________________________________ VI TELEFILTER SAW filter specification TFS 248 B 4/4 ______________________________________________________________________________________________________ Air reflow temperature conditions 1st and 2nd air reflow profile 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 / Potsdamer Strae 18 / D 14 513 TELTOW Phone: (+33 28) 47 84 52 / Facsimile: (+33 28) 47 84 30 / e-mail: tft@telefilter.com Vectron Technologies Inc. / 267 Lowell Road / Hudson, NH 03051 U.S.A. Phone: (+603) 598-0070 / Facsimile: (+603) 598-0075 / e-mail: vti@vtinh.com |
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