125.0 MHz SAW Filter Part Number 251933B 1. Features Typical 1dB bandwidth of 18.9 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25℃ ℃ Minimum Typical Maximum MHz 124.87 125.0 125.13 dB - 23.7 25.5 1dB Bandwidth MHz 18.80 18.94 - 3dB Bandwidth MHz - 19.24 - 45dB Bandwidth MHz - 20.56 20.65 dB - 0.55 1.0 Group Delay Variation (Fo±9.22MHz) nsec - 45 100 Absolute Delay usec - 2.26 2.28 dB 50 55 - ppm/℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (Fo±9.22MHz) Ultimate Rejection Temperature Coefficient of Frequency Substrate Material - 128-LN * 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 5 1 L2 C2 12.7±0.2 2.5±0.2 0.45±0.05 ITF 13A001 251933B 125-18.9M 20.3±0.5 C1 Output 50Ω L1 = 39nH, L2 = 47nH, C1 = 36pF, C2 = 30pF 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] 2013. 04. 29 Rev 1.0 125.0 MHz SAW Filter Part Number 251933B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 45dB Bandwidth 26 Oct 2012 14:18:47 1: 0. 0000 dB 0. 000 000 MHz 3: . 16390 dB 18. 440 000 MHz REF -23.48 dB REF -24.06 dB CH1 S21 LOG 10 dB/ 26 Oct 2012 14:17:23 1: 0. 0000 dB 0. 000 000 MHz REF -23.7 dB CH1 Markers REF=1 BW: 18. 948880 MHz cent : 125. 154843 MHz Cor CH1 Markers REF=1 BW: 20. 567537 MHz 1 Cor cent : 125. 164622 MHz Q: 6. 6049 2 Q: 6. 0855 1_loss : -23 . 736 dB 1 1_loss : -23 . 770 dB 2 3 4 3 CH2 Markers REF=2 mean:-23 . 735 dB 2 Cor 3 4 s. dev : . 12510 dB p-p : . 57370 dB CENTER 125. 000 000 MHz SPAN 24. 000 000 MHz CENTER 125. 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 50 ns/ 26 Oct 2012 14:19:12 1: 0. 0000 dB 0. 000 000 MHz 3: 9. 1127 ns 18. 440 000 MHz REF -23.48 dB REF 2.292 us SPAN 65. 000 000 MHz Smith Chart(S11 & S22) CH1 S11 CH2 S22 1: 8. 8198 2: 9. 5347 1 U FS 1 U FS 26 Oct 2012 14:23:04 -971 . 19 m 1. 3110 nF 125. 000 000 MHz 1. 3833 1. 7613 nH 125. 000 000 MHz CH1 Markers REF=1 BW: 19. 243128 MHz cent : 125. 159432 MHz Cor Cor Q: 6. 5041 1_loss : -23 . 736 dB 1 2 2 1 3 Smo Cor CH2 Markers REF=2 mean:4 2. 2645 us 2 3 Cor s. dev : 8. 6412 ns p-p : 44. 505 ns CENTER 125. 000 000 MHz SPAN 24. 000 000 MHz CENTER 125. 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 26 Oct 2012 14:25:20 1: 0. 0000 dB 0. 000 000 MHz REF -24.09 dB SPAN 65. 000 000 MHz CH1 Markers REF=1 2:-75 . 709 dB 125. 000 MHz CH1 S11 CH2 S22 SWR SWR 10 / 10 / 26 Oct 2012 14:22:52 1: 5. 6658 125. 000 000 MHz 2: 5. 2488 125. 000 000 MHz REF 5.673 REF 5.249 Cor 3:-78 . 463 dB 250. 000 MHz 1 1 Cor START . 010 000 MHz 2 STOP 500. 000 000 MHz 3 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 2 CENTER 125. 000 000 MHz http://www.itf.co.kr SPAN 65. 000 000 MHz [email protected] 2013. 04. 29 Rev 1.0