187.5 MHz SAW Filter Part Number 253802B 1. Features Typical 1dB bandwidth of 37.6 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 - 187.5 - dB - 24.5 26.0 1dB Bandwidth MHz 37.2 37.6 - 3dB Bandwidth MHz - 38.2 - 40dB Bandwidth MHz - 40.72 41.05 dB - 0.5 1.2 Group Delay Variation (fo ± 17.5 MHz) nsec - 20 50 Absolute Delay usec - 1.33 - dB 50 58 ppm/℃ - -72 - dB 40 55 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 17.5 MHz) Ultimate Rejection Temperature Coefficient of Frequency Relative Attenuation (fo ± 17.5MHz)±4MHz Room Temperature : +25℃ ℃ Insertion Loss dB - 24.5 26.0 Amplitude Ripple (fo ± 18.24 MHz) dB - 0.5 1.2 nsec - 20 50 Group Delay Variation (fo ± 18.24 MHz) * Input POWER : +10dBm L1 Input 50Ω 1 5 C1 L2 Output 50Ω C2 12.7±0.2 2.5±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 14A001 253802B 187.5-37.6M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension L1 = 33nH, L2 = 27nH, C1 = 7pF 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 1.0 187.5 MHz SAW Filter Part Number 253802B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 19 Aug 2013 10:58:58 1: 0. 0000 dB 0. 000 000 MHz 3: . 09540 dB 36. 480 000 MHz REF -23.91 dB REF -24.39 dB CH1 S21 LOG 10 dB/ 19 Aug 2013 10:57:05 1: 0. 0000 dB 0. 000 000 MHz REF -24.3 dB CH1 Markers REF=1 BW: 37. 614258 MHz cent : 187. 544412 MHz Cor CH1 Markers REF=1 BW: 40. 718181 MHz 1 C cent : 187. 529088 MHz Q: 4. 9860 2 Q: 4. 6055 1_loss : -24 . 173 dB 1 1_loss : -24 . 376 dB 2 3 4 3 2 CH2 Markers REF=2 mean:-24 . 155 dB Cor 3 4 s. dev : . 10330 dB p-p : . 48620 dB START 165. 000 000 MHz STOP 210. 000 000 MHz CENTER 187. 500 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 50 ns/ 19 Aug 2013 10:59:18 1: 0. 0000 dB 0. 000 000 MHz 3: 4. 0102 ns 36. 480 000 MHz REF -23.91 dB REF 1.324 us SPAN 125. 000 000 MHz Relative Attenuation CH1 S21 LOG 10 dB/ 19 Aug 2013 10:58:00 1: 0. 0000 dB 0. 000 000 MHz REF -24.3 dB CH1 Markers REF=1 BW: 38. 212686 MHz cent : 187. 560380 MHz Cor CH1 Markers REF=1 2: . 15760 dB -17 . 5000 MHz 1 C Q: 4. 9083 2 3:-64 . 654 dB -21 . 5000 MHz 4 1_loss : -24 . 164 dB 1 4: . 04520 dB 17. 5000 MHz 2 5:-61 . 247 dB 21. 5000 MHz 3 Smo Cor CH2 Markers REF=2 4 3325 us mean: 1. 2 3 s. dev : 3. 2792 ns p-p : 15. 598 ns 5 3 CENTER 187. 500 000 MHz SPAN 45. 000 000 MHz CENTER 187. 500 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ REF -23.9 dB SWR(S11 & S22) 19 Aug 2013 11:01:39 1: 0. 0000 dB 0. 000 000 MHz CH1 Markers REF=1 2:-90 . 067 dB 187. 500 MHz 1 SPAN 125. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 5 / 5 / 19 Aug 2013 11:00:13 1: 5. 3723 187. 500 000 MHz 2: 7. 8657 187. 500 000 MHz REF 5.366 REF 7.861 C 3:-86 . 677 dB 375. 000 MHz 1 C START . 010 000 MHz 2 STOP 600. 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 187. 500 000 MHz http://www.itf.co.kr SPAN 125. 000 000 MHz [email protected] 2014. 02. 04 Rev 1.0