49.785 MHz SAW Filter Part Number 212353B 1. Features Typical 1dB bandwidth of 21.45 MHz Low-Loss Filter Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25℃ Minimum Typical Maximum MHz - 49.785 - dB - 21.6 23.5 1dB Bandwidth MHz 21.0 21.45 - 3dB Bandwidth MHz - 23.05 - 30dB Bandwidth MHz - 29.1 29.6 dB - 0.4 1.0 Group Delay Variation (fo ± 9.535 MHz) nsec - 15 60 Absolute Delay usec - 0.63 0.65 dB 25 30 - ppm/℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 9.535 MHz) Ultimate Rejection Temperature Coefficient of Frequency S1365 Package Dimension 13.30±0.2 12 8 7.62±0.1 7 ITF 13A001 212353B . 49.785-21.4M 1 2 3 4 7 9 8 I nput 50Ω 10 L1 L2 5 C1 1.50±0.1 5 5 11 Out put 50Ω 11 6 6 2.54±0.1 11 9 1.61±0.2 6.50±0.2 10 Matching Schematic C2 12 4 3 2 2.54±0.1 1 0.80±0.1 L1 = 220nH, C1 = 1.5pF, C2 = 13pF, L2 = 270nH 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. 02. 13 Rev 1.0 49.785 MHz SAW Filter Part Number 212353B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 30dB Bandwidth 7 Feb 2013 13:47:41 1: 0. 0000 dB 0. 000 000 MHz 3: - . 27290 dB 19 . 070 000 MHz REF -21.4 dB REF -21.4 dB CH1 S21 LOG 10 dB/ CH2 Markers REF=1 21 . 416919 MHz BW: cent : 49 . 540789 MHz 7 Feb 2013 13:45:53 1: 0. 0000 dB 0. 000 000 MHz REF -21.4 dB BW: 1 Cor Q: 2. 3132 cent : 2 CH1 Markers REF=1 28 . 942212 MHz 50 . 486202 1 MHz Q: 1. 7444 1_loss : -21 . 680 dB 1_loss : -21 . 688 dB 2 3 4 3 3 2 4 CH4 Markers REF=2 mean : -21 . 611 dB Cor s. dev : . 08110 dB p-p : . 39990 dB Cor CENTER 49 . 785 000 MHz SPAN 27 . 000 000 MHz 2 4 CENTER 49 . 785 000 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 50 ns/ 70 . 000 000 MHz Smith Chart(S11 & S22) 7 Feb 2013 13:46:04 1: 0. 0000 dB 0. 000 000 MHz 3: -7 . 3426 ns 19 . 070 000 MHz REF -21.4 dB REF 621 ns SPAN CH1 S11 CH3 S22 1 U FS 1 U FS 1: 17. 027 2: 10. 609 -115 . 89 3. 1787 7 Feb 2013 13:46:38 27. 584 pF 49. 785 000 MHz 10. 162 nH 49. 785 000 MHz CH2 Markers REF=1 23 . 049396 MHz BW: cent : 49 . 724478 MHz Cor Q: 2. 1573 1_loss : -21 . 680 dB 1 Cor 2 2 3 4 2 Cor CH4 Markers REF=2 mean : 4632 . 07 ns 3 Smo s. dev : 2. 8595 ns p-p : 15 . 485 ns 1 Cor CENTER 49 . 785 000 MHz SPAN 27 . 000 000 MHz 2 CENTER 49. 785 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 7 Feb 2013 13:47:22 1: 0. 0000 dB 0. 000 000 MHz REF -21.4 dB CH1 Markers REF=1 2: -49 . 989 dB 49 . 7850 MHz 1 SPAN 70. 000 000 MHz CH1 CH3 S11 S22 SWR SWR 10 / 10 / 7 Feb 2013 13:46:51 1: 19 . 015 49 . 785 000 MHz 2: 4. 7317 49 . 785 000 MHz REF 0 REF 0 Cor 3: -21 . 718 dB 65 . 5000 MHz 4: -34 . 460 dB 99 . 5700 MHz Cor 5: -41 . 800 dB 133 . 000 MHz 3 4 5 1 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 49 . 785 000 MHz http://www.itf.co.kr SPAN [email protected] 70 . 000 000 MHz 2013. 02. 13 Rev 1.0