70.0 MHz SAW Filter Part Number 270404B 1. Features Typical 2dB bandwidth of 4.11 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 - 70.0 - dB - 22.5 24.0 2dB Bandwidth MHz - 4.11 4.2 25dB Bandwidth MHz - 4.95 5.0 40dB Bandwidth MHz - 5.14 - dB - 0.45 1.0 Group Delay Variation (fo±1.8 MHz) nsec - 100 150 Absolute Delay usec - 3.85 - dB 50 52 - ppm/°C - -18 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo±1.8 MHz) Ultimate Rejection Temperature Coefficient of Frequency 12.8±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D3512 Package Dimension 1 82nH 5 100nH 25.4±0.2 2.5±0.2 82nH Output 50Ω 82nH 0.45±0.05 ITF 11A001 270404B 70-4.2M 35.1±0.5 Input 50Ω 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 1.1 70.0 MHz SAW Filter Part Number 270404B 3. Typical Performance ( at +25℃ ℃) 2dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 3dB Bandwidth & Group Delay 26 Jun 2008 21:06:33 1: 0. 0000 dB 0. 000 000 MHz 3:- . 02480 dB 3. 600 000 MHz 1 dB/ REF -22.28 dB 1 dB/ REF -22.7 dB CH1 Markers BW: Cor CH1 S21 CH2 S21 LOG DEL 1 dB/ 200 ns/ 26 Jun 2008 21:07:07 1: 0. 0000 dB 0. 000 000 MHz 3: 17. 293 ns 3. 600 000 MHz REF -22.28 dB REF 3.79 us CH1 Markers REF=1 4. 117218 MHz BW: Cor cent : 70. 002146 MHz cent : 70. 001636 MHz Q: 17. 002 Q: 16. 613 1_loss : -22 . 560 dB 1 2 3 3 3 4 Smo 2 Cor Cor CH2 Markers CENTER 70. 000 000 MHz 2 3 4 CH2 Markers REF=2 mean:-22 . 535 dB 10 dB/ s. dev : 21. 488 ns p-p : . 44070 dB p-p : 102. 40 ns CENTER 70. 000 000 MHz SPAN 4. 500 000 MHz SPAN * CH1 S21 LOG 26 Jun 2008 21:05:23 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -22.49 dB * CH1 Markers 1 Cor BW: cent : 2 5. 141689 MHz CH1 Markers REF=1 1 Cor 69. 993883 MHz 2 BW: 4. 952432 MHz Hld REF=1 cent : 69. 997420 MHz Q: 13. 613 Q: 14. 134 1_loss : -22 . 565 dB 1_loss : -22 . 565 dB Hld 3 3 SPAN 13. 000 000 MHz CENTER 70. 000 000 MHz Wide band Properties LOG 4 4 CENTER 70. 000 000 MHz CH1 S21 4. 500 000 MHz 25dB Bandwidth 26 Jun 2008 21:05:31 1: 0. 0000 dB 0. 000 000 MHz REF -22.49 dB REF=2 mean: 3. 8542 us s. dev : . 09230 dB 40dB Bandwidth LOG 1_loss : -22 . 542 dB 1 2 CH1 S21 REF=1 4. 213724 MHz SWR(S11 & S22) 26 Jun 2008 21:09:24 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -21.96 dB SPAN 13. 000 000 MHz CH1 Markers 2:-65 . 051 dB 70. 0000 MHz CH1 S11 CH2 S22 SWR SWR 1 / 1 / 26 Jun 2008 21:08:30 1: 1. 9849 70. 000 000 MHz 2: 2. 2998 70. 000 000 MHz REF 1.987 REF 2.297 REF=1 Cor 3:-59 . 261 dB 140. 000 MHz 1 1 Cor 2 3 2 START . 010 000 MHz STOP 250. 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 13. 000 000 MHz [email protected] 2011. 01. 24 Rev 1.1