742.0 MHz SAW Filter Part Number T74251B 1. Features Typical 1dB bandwidth of 28.35 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Minimum Typical Maximum Room Temperature : +25℃ ℃ Center Frequency (fo) MHz - 742.0 - dB - 29.0 31.0 1dB Bandwidth 3dB Bandwidth MHz MHz 28.0 - 28.35 29.06 - 35dB Bandwidth MHz - 32.0 32.3 40dB Bandwidth MHz - 32.3 - Amplitude Ripple (fo ± 14.0 MHz) Group Delay Variation (fo ± 14.0 MHz) dB nsec - 0.8 35 1.4 80 Absolute Delay usec - 1.21 - Relative Attenuation 728.0 MHz – 2.0 MHz dB 20 30 - 756.0 MHz + 2.0 MHz dB 20 40 - Ultimate Rejection dB - 40 - Insertion Loss 2 ppm/℃ ℃ Temperature Coefficient of Frequency -0.03 S1365 Package Dimension 13.30±0.2 8 7.62±0.1 7 ITF RSOC01 T74251B 。742-28.3M 11 12 1 2 3 7 8 9 10 6.8nH 11 6 6 1.50±0.1 5 5 4 2.54±0.1 9 1.61±0.2 6.50±0.2 10 Matching Network Configuration Input 50 Ω 5 11 5.6nH 11pF 12pF Output 50 Ω 12 4 3 2 2.54±0.1 1 0.80±0.1 Pin Configuration Dimensions shown are nominal in millimeters Body : Al2O3 Lid : Kovar, Ni Plated Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating 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 11 Ground 6, 12 Output 5 Others Ground http://www.itf.co.kr [email protected] 2013. 03. 29 Rev 1.0 742.0 MHz SAW Filter Part Number T74251B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple(Fo ± 14.0 MHz) CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 35dB & 40dB Bandwidth 13 Jan 2012 11:01:54 1: 0. 0000 dB 0. 000 000 MHz 3: . 13700 dB 28 . 000 000 MHz REF -28.2 dB REF -28.2 dB CH1 CH3 3-3 S1365 MXS S21 S21 LOG LOG 10 dB/ 10 dB/ 13 Jan 2012 11:15:35 1: 0. 0000 dB 0. 000 000 MHz 1: 0. 0000 dB 0. 000 000 MHz REF -28.2 dB REF -28.2 dB MI742A C3 BW: CH2 Markers REF=1MHz 28 . 386166 cent : 742 . 003482 PRm BW: MHz CH1 Markers REF=1MHz 31 . 954975 cent : 741 . 906027 1 Q: 26 . 140 1_loss 2 : -28 . 378 dB 1 MHz Q: 23 . 217 1_loss : -28 . 343 dB Cor 2 3 4 3 PRm 2 CH4 Markers mean : -28 REF=2 . 490 dB s. dev : . 14860 dB p-p : . 69880 dB 3 4 3 4 BW: 1_loss CENTER 742 . 000 000 MHz SPAN 35 . 000 000 MHz 2 4 CENTER 742 . 000 000 MHz 3dB Bandwidth & Group Delay(Fo ± 14.0 MHz) S21 S21 LOG DEL 1 dB/ 150 ns/ 13 Jan 2012 11:01:44 1: 0. 0000 dB 0. 000 000 MHz 3: 14 . 169 ns 28 . 000 000 MHz REF -28.2 dB REF 1.19 us MHz Q: 23 . 047 Cor CH2 CH4 CH3 Markers REF=1MHz 32 . 189460 cent : 741 . 880834 SPAN : -28 . 343 dB 90 . 000 000 MHz Relative Attenuation CH1 CH3 3-3 S1365 MXS S21 S21 LOG LOG 10 dB/ 10 dB/ 13 Jan 2012 11:01:00 2: 0. 0000 dB 0. 000 000 MHz 2: 0. 0000 dB 0. 000 000 MHz REF -28.2 dB REF -28.2 dB MI742A C3 BW: CH2 Markers REF=1MHz 29 . 065493 cent : 741 . 988613 CH1 Markers REF=2 1 : . 56270 dB 14 . 0000 MHz PRm MHz 2 2 3: -31 . 687 dB -2 . 00000 MHz Q: 25 . 528 1_loss 1 : -28 . 373 dB 1 Cor 2 3 2 3 PRm CH4 Markers mean :4 1. REF=2 2104 us 3 CH3 Markers REF=2 1 : . 45490 dB -14 . 0000 MHz 3 s. dev : 7. 7146 4ns Smo 3: -40 . 954 dB 2. 00000 MHz p-p : 32 . 000 ns Cor CENTER 742 . 000 000 MHz SPAN 35 . 000 000 MHz 2 CENTER 742 . 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ REF -28.2 dB SPAN 90 . 000 000 MHz SWR(S11 & S22) 13 Jan 2012 11:02:54 1: -29 . 819 dB 742 . 000 000 MHz CH1 CH3 MI742A C3 S11 S22 SWR SWR 1 / 1 / 13 Jan 2012 11:02:31 1: 1. 6680 742 . 000 000 MHz 2: 1. 5654 742 . 000 000 MHz REF 0 REF 0 MI742A C3 PRm PRm 1 Cor 1 2 START . 010 000 MHz STOP 2 000 . 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 742 . 000 000 MHz http://www.itf.co.kr SPAN [email protected] 90 . 000 000 MHz 2013. 03. 29 Rev 1.0