251925B ITF | Alldatasheet

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Technical content

145.0 MHz SAW Filter

Tel: 82-32-621-1213 2013. 03. 27 I T F Co., Ltd. 102E901, Bucheon Technopark 364, SamjeongEDong, OjeongEGu, BucheonECity, GyounggiEDo, Korea 421E809 Fax: 82-32-621-1218 Rev 1.0 1. Features /circle6 Typical 1dB bandwidth of 19.3 MHz /circle6 High attenuation /circle6 Single Ended Operation /circle6 Dual InEline Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25 ℃℃ ℃℃ Minimum Typical Maximum Center Frequency (fo) MHz E 145.0 E Insertion Loss dB E 26.5 28.0 1 dB Bandwidth MHz 19.15 19.36 E 3dB Bandwidth MHz E 19.68 E 20dB Bandwidth MHz E 20.6 20.65 40dB Bandwidth MHz E 21.05 E Amplitude Ripple (fo ± 9.4 MHz) dB E 1.1 1.5 Group Delay Variation (fo ± 9.4 MHz) nsec E 40 80 Absolute Delay usec E 2.08 E Ultimate Rejection dB 40 45 E Maximum input Power dBm E E 10 Temperature Coefficient of Frequency ppm/ ℃℃ ℃℃ E72 L1 = 27nH, L2 = 27nH, C1 = 36pF, C2 = 27pF Pin Configuration Input 1 Ground 2,4 12.7±0.5 20.3±0.5 5.5max 6.0max 7.6±0.2 2.5±0.2 0.45±0.05 12.7±0.2 2.5±0.2 Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Output 5 Others Ground C2 C1 L2 L1 Input 50 Ω Output 50 Ω ITF 13A001 251925B 140-19.3M 11 11 55 55

Tel: 82-32-621-1213 2013. 03. 27 I T F Co., Ltd. 102E901, Bucheon Technopark 364, SamjeongEDong, OjeongEGu, BucheonECity, GyounggiEDo, Korea 421E809 Fax: 82-32-621-1218 Rev 1.0 3. Typical Performance ( at +25℃℃ ℃℃ ) 1dB Bandwidth & Ripple 40dB Bandwidth 3dB Bandwidth & Group Delay 20dB Bandwidth Wideband Properties SWR(S11 & S22) CH1 S21 LOG 1 dB/ REF -26.72 dB CENTER 145. 000 000 MHz SPAN 24. 000 000 MHz Cor CH2 S21 LOG 1 dB/ REF -26.98 dB Cor

26 Mar 2012 03:44:45

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers BW : 19. 365416 MHz cent : 145. 073145 MHz Q : 7. 4914 1_loss : -26 . 566 dB 2 3 3:- . 57970 dB 18. 800 000 MHz REF=2CH2 Markers mean:-26 . 589 dB s. dev : . 24960 dB p-p : 1. 1227 dB CH1 S21 LOG 1 dB/ REF -26.72 dB Cor CH2 S21 DEL 50 ns/ REF 2.119 us CENTER 145. 000 000 MHz SPAN 24. 000 000 MHz Cor Smo

26 Mar 2012 03:45:01

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers BW : 19. 688645 MHz cent : 145. 087998 MHz Q : 7. 3691 1_ loss : -26 . 552 dB 3: 4. 5779 ns 18. 800 000 MHz REF=2 CH2 Markers mean: 2. 0875 us s. dev : 6. 9789 ns p-p : 33. 061 ns CH1 S21 LOG 10 dB/ REF -26.72 dB CENTER 145. 000 000 MHz SPAN 70. 000 000 MHz Cor

26 Mar 2012 03:40:22

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers BW : 21. 055785 MHz cent : 145. 093891 MHz Q : 6. 8909 1_ loss : -26 . 684 dB CH1 S21 LOG 10 dB/ REF -26.72 dB CENTER 145. 000 000 MHz SPAN 70. 000 000 MHz Cor

26 Mar 2012 03:41:45

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers BW : 20. 602724 MHz cent : 145. 094359 MHz Q : 7. 0425 1_ loss : -26 . 684 dB CH1 S21 LOG 10 dB/ REF -28.67 dB START . 010 000 MHz STOP 600. 000 000 MHz

26 Mar 2012 03:47:34

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers 2:-69 . 204 dB 145. 000 MHz 3:-67 . 398 dB 290. 000 MHz CH1 S11 SWR 10 / REF 7.35 Cor CH2 S22 SWR 10 / REF 7.131 CENTER 145. 000 000 MHz SPAN 70. 000 000 MHz Cor

26 Mar 2012 03:46:12

1: 7. 3523 145. 000 000 MHz 2: 7. 1289 145. 000 000 MHz