142.5 MHz SAW Filter Part Number 252705B 1. Features Typical 1dB bandwidth of 26.9 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -30 ~ +70℃ ℃ Minimum Typical Maximum MHz - 142.5 - dB - 22.0 23.5 1dB Bandwidth MHz 26.6 26.98 - 3dB Bandwidth MHz - 27.45 - 40dB Bandwidth MHz - 29.46 29.8 dB - 0.45 1.2 Group Delay Variation (fo ± 12.5 MHz) nsec - 25 60 Absolute Delay usec - 1.51 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 12.5 MHz) Ultimate Rejection Temperature Coefficient of Frequency dB 50 60 ppm/℃ - -72 dBc 40 60 Minimum Typical Maximum - 22.0 23.5 dB - 0.45 1.2 nsec - 25 60 - Relative Attenuation (fo ± 12.5 MHz) ± 3.0 MHz Room Temperature : +25℃ ℃ Insertion Loss dB Amplitude Ripple (fo ± 13.06 MHz) Group Delay Variation (fo ± 13.06 MHz) Input POWER : +10dBm 12.7±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D2012 Package Dimension L1 Input 50Ω 1 5 Output 50Ω C2 12.7±0.2 2.5±0.2 0.45±0.05 ITF 14A001 252705B 142.5-26.9M 20.3±0.5 C1 L2 L1 =47nH, L2 = 47nH, C1 = 15pF, C2 = 22pF 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] 2014. 02. 04 Rev 1.0 142.5 MHz SAW Filter Part Number 252705B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 19 Aug 2013 13:46:31 1: 0. 0000 dB 0. 000 000 MHz 3: . 02770 dB 26. 120 000 MHz REF -21.72 dB REF -22.12 dB CH1 Markers REF=1 BW: 26. 983039 MHz cent : 142. 532993 MHz Cor CH1 S21 LOG 10 dB/ 19 Aug 2013 13:45:03 1: 0. 0000 dB 0. 000 000 MHz REF -22.13 dB * CH1 Markers REF=1 BW: 29. 464131 MHz 1 C cent : 142. 514486 MHz Q: 5. 2823 2 Q: 4. 8369 1_loss : -22 . 015 dB 1 1_loss : -22 . 094 dB 2 3 4 3 2 CH2 Markers REF=2 mean:-21 . 940 dB Cor 3 4 s. dev : . 08570 dB p-p : . 45560 dB CENTER 142. 500 000 MHz SPAN 32. 000 000 MHz CENTER 142. 500 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 19 Aug 2013 13:47:09 1: 0. 0000 dB 0. 000 000 MHz 3: 2. 3842 ns 26. 120 000 MHz REF -21.72 dB REF 1.485 us CH1 Markers REF=1 BW: 27. 450004 MHz cent : 142. 528339 MHz Cor SPAN 90. 000 000 MHz Relative Attenuation CH1 S21 LOG 10 dB/ 19 Aug 2013 13:45:37 1: 0. 0000 dB 0. 000 000 MHz REF -22.13 dB * CH1 Markers REF=1 2: . 09620 dB -12 . 5000 MHz 1 C Q: 5. 1923 2 3:-77 . 333 dB -15 . 5000 MHz 4 1_loss : -22 . 010 dB 1 4: . 11820 dB 12. 5000 MHz 2 5:-65 . 320 dB 15. 5000 MHz 3 Smo Cor CH2 Markers REF=2 mean: 1. 4 5113 us 2 3 s. dev : 4. 8429 ns p-p : 25. 892 ns 5 CENTER 142. 500 000 MHz 3 CENTER 142. 500 000 MHz SPAN 32. 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 19 Aug 2013 13:49:22 1: 0. 0000 dB 0. 000 000 MHz REF -21.77 dB SPAN 90. 000 000 MHz CH1 Markers REF=1 2:-71 . 737 dB 142. 500 MHz 1 CH1 S11 CH2 S22 SWR SWR 5 / 5 / 19 Aug 2013 13:48:04 1: 4. 7314 142. 500 000 MHz 2: 5. 3909 142. 500 000 MHz REF 4.76 REF 5.404 Cor 3:-57 . 787 dB 285. 000 MHz 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 142. 500 000 MHz http://www.itf.co.kr SPAN 90. 000 000 MHz [email protected] 2014. 02. 04 Rev 1.0