125.0 MHz SAW Filter Part Number 253201B 1. Features Typical 1dB bandwidth of 31.9 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 - 125.0 - dB - 23.5 25.0 1dB Bandwidth MHz 31.7 31.9 - 3dB Bandwidth MHz - 32.7 - 40dB Bandwidth MHz - 36.2 36.3 dB - 0.5 1.0 Group Delay Variation (fo ± 15.5 MHz) nsec - 20 40 Absolute Delay usec - 0.98 - dB 50 52 - ppm/℃ ℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 15.5 MHz) Ultimate Rejection Temperature Coefficient of Frequency 5.5max 6.0max 7.6±0.2 68nH 82nH 4.3pF Output 50 Ω 12.7±0.2 2.5±0.2 Input 50Ω 0.45±0.05 ITF 11A001 253201B 125-31.9M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension 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. 01. 24 Rev 1.0 125.0 MHz SAW Filter Part Number 253201B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 3dB Bandwidth & Group Delay 14 Dec 2009 00:47:36 1: 0. 0000 dB 0. 000 000 MHz 3: . 16230 dB 31. 000 000 MHz 1 dB/ REF -23.06 dB 1 dB/ REF -23.52 dB CH1 S21 CH2 S21 LOG DEL 14 Dec 2009 00:48:01 1: 0. 0000 dB 0. 000 000 MHz 3: 4. 7933 ns 31. 000 000 MHz 1 dB/ REF -23.06 dB 50 ns/ REF 971.8 ns CH1 Markers REF=1 BW: 31. 841457 MHz cent : 125. 059614 MHz Cor CH1 Markers REF=1 BW: 32. 678196 MHz cent : 125. 041972 MHz Cor Q: 3. 9276 Q: 3. 8265 1_loss : -23 . 318 dB 1_loss : -23 . 339 dB 1 1 2 2 4 3 3 3 CH2 Markers REF=2 mean:-23 . 372 dB 2 Cor CENTER125. 000 000 MHz Smo Cor CH2 Markers REF=2 mean: 988. 4 06 ns 2 3 s. dev : . 10730 dB s. dev : 3. 4202 ns p-p : . 48740 dB p-p : 18. 030 ns SPAN 38. 000 000 MHz CENTER125. 000 000 MHz 40dB Bandwidth CH1 S21 LOG 50dB Bandwidth 14 Dec 2009 00:46:08 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -23.33 dB SPAN 38. 000 000 MHz CH1 S21 LOG CH1 Markers REF=1 BW: 36. 195662 MHz 1 Cor 14 Dec 2009 00:46:21 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -23.33 dB CH1 Markers REF=1 BW: 36. 529461 MHz 1 Cor cent : 124. 985007 MHz 2 cent : 124. 975735 MHz 2 Q: 3. 4530 Q: 3. 4212 1_loss : -23 . 256 dB 3 1_loss : -23 . 256 dB 4 3 CENTER125. 000 000 MHz SPAN 92. 000 000 MHz CENTER125. 000 000 MHz LOG 14 Dec 2009 00:49:16 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -22.4 dB SPAN 92. 000 000 MHz SWR(S11 & S22) Wideband properties CH1 S21 4 CH1 Markers REF=1 2:-59 . 875 dB 125. 000 MHz CH1 S11 CH2 S22 SWR SWR 20 / 20 / 14 Dec 2009 00:48:36 1: 7. 2195 125. 000 000 MHz 2: 6. 3271 125. 000 000 MHz REF 7.24 REF 6.312 Cor 3:-56 . 035 dB 250. 000 MHz 1 1 Cor 2 START . 010 000 MHz 2 3 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 CENTER125. 000 000 MHz http://www.itf.co.kr SPAN 92. 000 000 MHz [email protected] 2011. 01. 24 Rev 1.0