255.0 MHz SAW Filter Project name 262908B 1. Features Typical 1dB bandwidth of 29.5 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Operating Temperature : -10℃ ℃ ~ +60℃ ℃ Center Frequency (fo) Insertion Loss 1dB Bandwidth 3dB Bandwidth 40dB Bandwidth Amplitude Ripple (fo ± 14.22 MHz) Group Delay Variation (fo ± 14.22 MHz) Absolute Delay Ultimate Rejection Maximum input Power Temperature Coefficient of Frequency Minimum MHz dB MHz MHz MHz dB nsec usec dB dBm ppm/℃ ℃ Room Temperature : +25℃ ℃ Insertion Loss Amplitude Ripple (fo ± 14.38 MHz) Group Delay Variation (fo ± 14.38 MHz) - 255.0 - - 29.5 31.0 29.40 29.53 - - 29.85 - - 31.25 31.35 - 0.65 1.2 - 35 70 - 2.68 - 50 53 - - - 10 - -18 - Minimum Typical Maximum - 29.5 31.0 - 0.65 1.2 - 35 70 dB dB nsec 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D2012 Package Dimension 12.7±0.5 Source and Load Impedance = 50Ω Typical Maximum 1 Input 50Ω 5 L2 12.7±0.2 2.5±0.2 0.45±0.05 ITF 13A001 262908B 255-29.5M 20.3±0.5 L1 Output 50Ω L1 = L2 = 12nH 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] 2013. 03. 27 Rev 1.0 255.0 MHz SAW Filter Project name 262908B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple(Fo ± 14.38 MHz) CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 14 Mar 2012 11:28:21 1: 0. 0000 dB 0. 000 000 MHz 3: - . 19050 dB 28. 760 000 MHz REF -28.7 dB REF -29.27 dB BW: CH1 CH1 Markers REF=1 29. 534043 MHz cent : 255 . 074270 Cor 40dB Bandwidth MHz S21 LOG 10 dB/ 14 Mar 2012 11:16:33 1: 0. 0000 dB 0. 000 000 MHz REF -28.8 dB * BW: 1 Cor CH1 Markers REF=1 31. 252740 MHz cent : 255 . 063408 Q: 8. 6366 2 MHz Q: 8. 1613 1_loss : -29 . 026 dB 1_loss : -28 . 859 dB 1 2 3 4 3 2 CH2 Markers REF=2 mean: -28 . 973 dB Cor 3 4 s. dev : . 11720 dB p-p : . 65050 dB START 237 . 000 000 MHz STOP 273 . 000 000 MHz CENTER 255 . 000 000 MHz 3dB Bandwidth & Group Delay(Fo ± 14.38 MHz) CH1 CH2 S21 S21 LOG DEL 1 dB/ 50 ns/ 14 Mar 2012 11:28:43 1: 0. 0000 dB 0. 000 000 MHz 3: -1 . 5257 ns 28. 760 000 MHz REF -28.7 dB REF 2.717 us BW: cent : 255 . 071768 Cor 50dB Bandwidth CH1 CH1 Markers REF=1 29. 849129 MHz MHz SPAN 100 . 000 000 MHz S21 LOG 10 dB/ 14 Mar 2012 11:17:01 1: 0. 0000 dB 0. 000 000 MHz REF -28.8 dB * BW: 1 Cor CH1 Markers REF=1 31. 441154 MHz cent : 255 . 075673 Q: 8. 5454 2 MHz Q: 8. 1128 1_loss : -29 . 026 dB 1_loss : -28 . 859 dB 1 2 3 Smo CH2 Markers REF=2 mean:42. 6852 us 2 Cor 3 s. dev : 5. 8595 ns 3 p-p : 30. 433 ns CENTER 255 . 000 000 MHz SPAN 36. 000 000 MHz CENTER 255 . 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ REF -32.12 dB 4 SPAN 100 . 000 000 MHz SWR(S11 & S22) 14 Mar 2012 11:32:40 1: 0. 0000 dB 0. 000 000 MHz CH1 Markers REF=1 2: -66 . 520 dB 255 . 000 MHz CH1 CH2 S11 S22 SWR SWR 10 / 10 / 14 Mar 2012 11:29:59 1: 1. 1752 255 . 000 000 MHz 2: 1. 3770 255 . 000 000 MHz REF 1.172 REF 1.372 Cor 3: -60 . 845 dB 510 . 000 MHz 1 1 Cor 2 3 START . 010 000 MHz 2 STOP 800 . 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 255 . 000 000 MHz http://www.itf.co.kr SPAN 100 . 000 000 MHz [email protected] 2013. 03. 27 Rev 1.0