280.0 MHz SAW Filter Part Number 262902B 1. Features Typical 1dB bandwidth of 29.5MHz 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 - 280.0 - dB - 27.7 29.5 1dB Bandwidth MHz 29.4 29.5 - 3dB Bandwidth MHz - 29.95 - 40dB Bandwidth MHz - 31.75 32.0 dB - 0.55 1.2 Group Delay Variation (fo ± 14.45 MHz) nsec - 30 60 Absolute Delay usec - 2.3 - dB 45 50 - ppm/℃ ℃ - -18 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 14.45 MHz) Ultimate Rejection Temperature Coefficient of Frequency 12.7±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D2012 Package Dimension Input 50Ω Dimensions shown are nominal in millimeters 5 15nH 24pF Output 50Ω Pin Configuration 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 1 24pF 12.7±0.2 2.5±0.2 0.45±0.05 ITF 11A001 262902B 280-29.5M 20.3±0.5 15nH 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. 05. 27 Rev 1.0 280.0 MHz SAW Filter Part Number 262902B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 3dB Bandwidth & Group Delay 16 Sep 2010 17:59:46 1: 0. 0000 dB 0. 000 000 MHz 3:- . 42220 dB 28. 900 000 MHz 1 dB/ REF -27.18 dB 1 dB/ REF -27.71 dB CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 16 Sep 2010 18:00:00 1: 0. 0000 dB 0. 000 000 MHz 3:-9 . 6074 ns 28. 900 000 MHz REF -27.18 dB REF 2.294 us CH1 Markers REF=1 BW: 29. 489293 MHz cent : 279. 853518 MHz C CH1 Markers REF=1 BW: 29. 923275 MHz cent : 279. 850636 MHz C Q: 9. 4900 Q: 9. 3523 1_loss : -27 . 435 dB 1_loss : -27 . 435 dB 1 1 2 2 4 3 3 3 2 CH2 Markers REF=2 mean:-27 . 493 dB C START 262. 000 000 MHz Smo C CH2 Markers REF=2 mean:4 2. 3054 us 2 3 s. dev : . 09240 dB s. dev : 5. 1006 ns p-p : . 53750 dB p-p : 27. 466 ns STOP 298. 000 000 MHz CENTER 280. 000 000 MHz 40dB Bandwidth CH1 S21 LOG 10 dB/ 50dB Bandwidth 16 Sep 2010 17:57:32 1: 0. 0000 dB 0. 000 000 MHz REF -27.64 dB SPAN 36. 000 000 MHz * CH1 S21 LOG 10 dB/ 16 Sep 2010 17:57:39 1: 0. 0000 dB 0. 000 000 MHz REF -27.64 dB * CH1 Markers REF=1 BW: 31. 753571 MHz 1 Cor CH1 Markers REF=1 BW: 31. 913733 MHz 1 Cor cent : 279. 835727 MHz 2 cent : 279. 835227 MHz 2 Q: 8. 8127 Q: 8. 7685 1_loss : -27 . 644 dB 3 1_loss : -27 . 644 dB 4 3 START 230. 000 000 MHz STOP 330. 000 000 MHz START 230. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ STOP 330. 000 000 MHz SWR(S11 & S22) 16 Sep 2010 18:01:52 1: 0. 0000 dB 0. 000 000 MHz REF -29.99 dB 4 CH1 S11 CH2 S22 SWR SWR 5 / 5 / 16 Sep 2010 18:00:49 1: 2. 0245 280. 000 000 MHz 2: 1. 8028 280. 000 000 MHz REF 2.025 REF 1.803 * CH1 Markers REF=1 2:-58 . 409 dB 280. 000 MHz Cor 3:-58 . 929 dB 560. 000 MHz 1 1 Cor 2 START . 010 000 MHz 2 3 STOP1 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 280. 000 000 MHz http://www.itf.co.kr SPAN 100. 000 000 MHz [email protected] 2011. 05. 27 Rev 1.0