70 MHz SAW Filter Part Number 270304B 1. Features Typical 1dB bandwidth of 2.95 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 - 70.0 - dB - 22.1 24.0 1dB Bandwidth MHz 2.8 2.95 - 3dB Bandwidth MHz - 3.2 - 40dB Bandwidth MHz - 4.42 4.5 dB - 0.4 1.0 Group Delay Variation (fo ± 1.25 MHz) nsec - 130 200 Absolute Delay usec - 2.83 - dB 48 52 - ppm/℃ - -18 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 1.25 MHz) Ultimate Rejection Temperature Coefficient of Frequency 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 270304B 70-2.9M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension L1 = L4 = 180nH, L2 = L3 = 150nH 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. 12. 28 Rev 2.0 70 MHz SAW Filter Part Number 270304B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 23 Jan 2015 13:28:28 1: 0. 0000 dB 0. 000 000 MHz 3: . 12990 dB 2. 500 000 MHz REF -21.9 dB REF -21.9 dB CH1 S21 LOG 10 dB/ 23 Jan 2015 13:27:25 1: 0. 0000 dB 0. 000 000 MHz REF -21.9 dB CH2 Markers REF=1 2. 976221 MHz BW: cent : 70 . 035447 MHz BW: 1 Cor Q: 23 . 532 cent : 2 CH1 Markers REF=1 4. 442305 MHz 70 . 007629 MHz Q: 15 . 759 1_loss : -22 . 272 dB 1_loss : -22 . 270 dB 1 2 3 3 4 2 CH4 Markers REF=2 mean : -22 . 195 dB Cor s. dev : . 07870 p-p : . 38180 4 3 dB dB Cor 2 CENTER 70 . 000 000 MHz SPAN 3. 500 000 MHz 4 CENTER 70 . 000 000 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 300 ns/ 14 . 000 000 MHz Smith Chart(S11 & S22) 23 Jan 2015 13:28:20 1: 0. 0000 dB 0. 000 000 MHz 3: -36 . 232 ns 2. 500 000 MHz REF -21.9 dB REF 2.75 us SPAN CH1 S11 CH3 S22 1 U FS 1 U FS 1: 41. 689 2: 54. 645 -8 . 6172 6. 2754 23 Jan 2015 13:28:42 263. 85 pF 70. 000 000 MHz 14. 268 nH 70. 000 000 MHz CH2 Markers REF=1 3. 261352 MHz BW: cent : 70 . 028270 MHz Cor Q: 21 . 472 1_loss : -22 . 273 dB 1 Cor 2 3 2 4 1 2 Cor CH4 Markers REF=2 mean : 2. 8354 4 us s. dev : 30 . 080 ns 3 Smo p-p : 131 . 23 ns Cor 2 CENTER 70 . 000 000 MHz SPAN 3. 500 000 MHz CENTER 70. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 23 Jan 2015 13:29:42 1: 0. 0000 dB 0. 000 000 MHz REF -21.9 dB CH1 Markers REF=1 2: -64 . 499 dB 70 . 0000 MHz 1 SPAN 14. 000 000 MHz CH1 CH3 S11 S22 SWR SWR 1 / 1 / 23 Jan 2015 13:28:59 1: 1. 2988 70 . 000 000 MHz 2: 1. 1604 70 . 000 000 MHz REF 0 REF 0 Cor 3: -46 . 008 dB 140 . 000 MHz Cor 1 3 2 2 START . 010 000 MHz STOP 300 . 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 70 . 000 000 MHz http://www.itf.co.kr SPAN [email protected] 14 . 000 000 MHz 2015. 12. 28 Rev 2.0