145.0 MHz SAW Filter Part Number 251507B 1. Features Typical 1dB bandwidth of 15.7 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 145.0 - dB - 28.8 31.0 1dB Bandwidth MHz 15.7 15.77 - 25dB Bandwidth MHz - 16.53 16.6 40dB Bandwidth MHz - 16.7 - 50dB Bandwidth MHz - 16.8 16.9 dB - 0.55 1.0 Group Delay Variation (fo +/- 7.65 MHz) nsec - 50 100 Absolute Delay usec - 4.34 - dB 48 52 - ppm/℃ ℃ - -18 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo +/- 7.65 MHz) Ultimate Rejection Temperature Coefficient of Frequency 12.8±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D3512 Package Dimension 39nH 1 5 43pF 39nH 47pF Output 50 Ω 25.4±0.2 2.5±0.2 0.45±0.05 ITF 11A001 251507B 145-15.7M 35.1±0.5 Input 50Ω Pin Configuration Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 Input 1 Ground 2,4 Output 5 Others Ground http://www.itf.co.kr [email protected] 2011. 06. 27 Rev 1.0 145.0 MHz SAW Filter Part Number 251507B 3. Typical Performance ( at +25℃ ℃) 25dB Bandwidth CH1 S21 LOG 10 dB/ 1dB Bandwidth & Ripple 16 Mar 2010 21:03:57 1: 0. 0000 dB 0. 000 000 MHz REF -28.51 dB CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 16 Mar 2010 21:04:53 1: 0. 0000 dB 0. 000 000 MHz 3: . 07710 dB 15. 300 000 MHz REF -28.36 dB REF -28.76 dB * Cor CH1 Markers REF=1 BW: 15. 761868 MHz CH1 Markers REF=1 BW: 16. 527856 MHz 1 cent : 144. 976457 MHz Cor cent : 144. 962075 MHz 2 Q: 9. 1979 Q: 8. 7708 1_loss : -28 . 582 dB 1 1_loss : -28 . 743 dB 2 3 3 4 4 3 2 CH2 Markers REF=2 mean: -28 . 559 dB Cor s. dev : . 10070 dB p-p : . 53880 dB START 117. 500 000 MHz STOP 172. 500 000 MHz CENTER 145. 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 50dB Bandwidth 16 Mar 2010 21:05:03 1: 0. 0000 dB 0. 000 000 MHz 3:-14 . 648 ns 15. 300 000 MHz REF -28.36 dB REF 4.332 us CH1 Markers REF=1 BW: 15. 936109 MHz cent : 144. 974235 MHz Cor SPAN 20. 000 000 MHz CH1 S21 LOG 10 dB/ 16 Mar 2010 21:04:14 1: 0. 0000 dB 0. 000 000 MHz REF -28.51 dB * CH1 Markers REF=1 BW: 16. 795928 MHz 1 Cor cent : 144. 966813 MHz Q: 9. 0972 2 Q: 8. 6311 1_loss : -28 . 582 dB 1 1_loss : -28 . 743 dB 2 3 Smo Cor CH2 Markers REF=2 4 4. 3459 us mean: 2 3 s. dev : 8. 6462 ns 3 p-p : 43. 640 ns CENTER 145. 000 000 MHz SPAN 20. 000 000 MHz START 117. 500 000 MHz Wideband properties CH1 S21 LOG 10 dB/ STOP 172. 500 000 MHz SWR (S11&S22) 16 Mar 2010 21:06:09 1: 0. 0000 dB 0. 000 000 MHz REF -30.93 dB 4 CH1 Markers REF=1 2:-64 . 893 dB 145. 000 MHz CH1 S11 CH2 S22 SWR SWR 2 / 2 / 16 Mar 2010 21:05:37 1: 1. 8663 145. 000 000 MHz 2: 1. 8589 145. 000 000 MHz REF 1.867 REF 1.858 Cor 3:-57 . 524 dB 290. 000 MHz 1 1 Cor 2 3 2 START . 010 000 MHz STOP 500. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 CENTER 145. 000 000 MHz http://www.itf.co.kr SPAN 55. 000 000 MHz [email protected] 2011. 06. 27 Rev 1.0