187.5 MHz SAW Filter Part Number 252707B 1. Features Typical 1dB bandwidth of 26.4 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -20℃ ~ +70℃ Minimum Typical Maximum MHz 187.3 187.5 187.7 dB - 25.5 27.0 1dB Bandwidth MHz 26.25 26.4 - 3dB Bandwidth MHz - 27.1 - 40dB Bandwidth MHz - 30.1 30.25 dB - 0.6 1.2 Group Delay Variation (fo ± 12.5 MHz) nsec - 30 60 Absolute Delay usec - 2.18 - dB 50 55 - dB 40 53 ppm/℃ - -18 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 12.5 MHz) Ultimate Rejection Relative Attenuation (Fo ± 12.5 MHz) ± 3.0 MHz Temperature Coefficient of Frequency Room Temperature : +25℃ Insertion Loss dB - 25.5 27.0 Amplitude Ripple (fo ± 12.68 MHz) dB - 0.6 1.2 nsec - 30 60 Group Delay Variation (fo ± 12.68 MHz) * Input POWER : +10dBm 5.5max 6.0max 7.6±0.2 I nput 50Ω 1 L1 5 L4 Out put 50Ω L3 12.7±0.2 2.5±0.2 L2 0.45±0.05 ITF 15A001 252707B 187.5-26.4M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension L1 = 68nH, L2 = 56nH, L3 = 47nH, L4 = 68nH 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] 2015. 04. 06 Rev 1.0 187.5 MHz SAW Filter Part Number 252707B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 6 Apr 2015 17:33:35 1: 0. 0000 dB 0. 000 000 MHz 3: - . 18000 dB 25 . 360 000 MHz REF -24.8 dB REF -24.8 dB CH1 S21 LOG 10 dB/ 6 Apr 2015 17:32:28 1: 0. 0000 dB 0. 000 000 MHz REF -24.8 dB CH2 Markers REF=1 26 . 360497 MHz BW: cent : 187 . 480930 MHz BW: 1 C CH1 Markers REF=1 30 . 096168 MHz cent : 187 . 513585 Q: 7. 1122 2 1_loss : -25 . 210 dB MHz Q: 6. 2305 1_loss : -25 . 481 dB 1 2 3 3 4 2 CH4 Markers REF=2 mean : -25 . 175 dB Cor s. dev : . 10920 dB p-p : . 61000 dB 3 4 Cor CENTER 187 . 500 000 MHz SPAN 32 . 000 000 MHz 2 4 CENTER 187 . 500 000 MHz Relative Attenuation(Fo±12.5 MHz)±3.0 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 50 ns/ 6 Apr 2015 17:33:18 1: 0. 0000 dB 0. 000 000 MHz 3: 3. 4333 ns 25 . 360 000 MHz REF -24.8 dB REF 2.165 us BW: SPAN 100 . 000 000 MHz CH1 CH3 S21 S21 LOG LOG 10 dB/ 10 dB/ 6 Apr 2015 17:32:53 2: 0. 0000 dB 0. 000 000 MHz 2: 0. 0000 dB 0. 000 000 MHz REF -24.8 dB REF -24.8 dB CH2 Markers REF=1 27 . 087271 MHz cent : 187 . 499974 MHz 2 2 C CH1 Markers REF=2 1: - . 28160 dB 12 . 5000 MHz 3: -66 . 483 dB -3 . 00000 MHz Q: 6. 9221 1 1_loss : -25 . 194 dB 1 C 2 3 2 Cor CH4 Markers REF=2 mean : 2. 1778 us 4 s. dev : 3. 5140 ns 3 Smo CH3 Markers REF=2 1: - . 32690 dB -12 . 5000 MHz 3: -63 . 339 dB 3. 00000 MHz p-p : 18 . 692 ns Cor 3 3 CENTER 187 . 500 000 MHz SPAN 32 . 000 000 MHz 2 4 CENTER 187 . 500 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ REF -24.8 dB SWR(S11 & S22) 6 Apr 2015 17:35:22 1: 0. 0000 dB 0. 000 000 MHz CH1 Markers REF=1 2: -72 . 275 dB 187 . 500 MHz 1 SPAN 100 . 000 000 MHz CH1 CH3 S11 S22 SWR SWR 2 / 2 / 6 Apr 2015 17:34:34 1: 1. 7373 187 . 500 000 MHz 2: 2. 0554 187 . 500 000 MHz REF 0 REF 0 C 3: -68 . 765 dB 375 . 000 MHz C 1 2 3 2 START . 010 000 MHz STOP 600 . 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 187 . 500 000 MHz http://www.itf.co.kr SPAN 100 . 000 000 MHz [email protected] 2015. 04. 06 Rev 1.0