245.0 MHz SAW Filter Project name 261806B 1. Features Typical 1dB bandwidth of 18.5 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 245.0 - dB - 27.0 28.5 1dB Bandwidth MHz 18.40 18.55 - 3dB Bandwidth MHz - 18.92 - 40dB Bandwidth MHz - 20.45 20.60 dB - 0.65 1.2 Group Delay Variation (Fo±9.0075MHz) nsec - 40 100 Absolute Delay usec - 2.26 - dB 47 53 - ppm/℃ - -18 - Center Frequency (fo) Insertion Loss Amplitude Ripple (Fo±9.0075MHz) Ultimate Rejection Temperature Coefficient of Frequency Substrate Material - 112-LT Input Power : +10dBm 5.5max 6.0max 7.6±0.2 L1 Input 50Ω 1 5 L2 Output 50Ω C2 12.7±0.2 2.5±0.2 C1 0.45±0.05 ITF 13A001 261806B 245-18.5M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension L1 = L2 = 15nH, C1 = C2=30pF 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. 04.01 Rev 1.0 245.0 MHz SAW Filter Project name 261806B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple 40B Bandwidth 24 Sep 2012 22:40:22 CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ REF -26.68 dB REF -27.12 dB 1 : 0 . 0000 3 : - . 06230 dB dB 24 Sep 2012 22:38:09 0 . 000 18 . 015 000 000 CH1 MHz MHz S21 LOG 10 dB/ REF -26.91 dB 1 : 0 . 0000 dB 0 . 000 000 MHz * CH1 Markers REF=1 18 . 541409 MHz BW: : 244 . 926957 MHz CH1 Markers REF=1 20 . 452873 MHz BW: 1 cent Cor C cent Q: 13 . 210 : 244 . 907870 MHz 2 Q: 11 . 974 1_ loss : -26 . 925 dB 1 1_ loss : -26 . 900 dB 2 Hld 3 4 3 2 1 CH2 Cor mean CENTER 245 . 000 000 MHz SPAN : -26 Markers REF=2 . 942 dB s . dev : . 09670 dB p-p : . 43940 dB 22 . 000 000 3 MHz CENTER 245 . 000 000 4 MHz 3dB Bandwidth & Group Delay SPAN S21 S21 LOG DEL 1 dB/ 50 ns/ REF -26.68 dB REF 2.236 us 1 : 0 . 0000 3 : -11 . 757 dB ns MHz 24 Sep 2012 22:42:11 0 . 000 18 . 015 000 000 cent CH1 CH2 MHz MHz S11 S22 1 : 46 . 924 2 : 45 . 795 1 U FS 1 U FS 23 . 150 21 . 029 15 . 039 13 . 661 nH nH 245 . 000 245 . 000 000 000 MHz MHz CH1 Markers REF=1 18 . 926593 MHz BW: Cor 000 Smith Chart 24 Sep 2012 22:40:43 CH1 CH2 60 . 000 : 244 . 926262 MHz Cor Q: 12 . 941 1_ loss : -26 . 880 dB 1 21 2 3 1 2 Smo CH2 3 Cor mean CENTER 245 . 000 000 MHz SPAN Markers REF=2 : 24 . 2628 us s . dev : 6 . 4743 ns p-p : 33 . 222 ns 22 . 000 000 Cor MHz CENTER 245 . 000 000 Wide band Properties MHz SPAN S21 LOG 10 dB/ REF -28.99 dB 1 : 0 . 0000 dB 000 MHz SWR(S11 & S22) 24 Sep 2012 22:43:35 CH1 60 . 000 24 Sep 2012 22:42:02 0 . 000 000 MHz Markers REF=1 2 : -52 . 152 dB 245 . 000 MHz CH1 CH2 S11 S22 SWR SWR 1 / 1 / REF 1.613 REF 1.56 1 : 1 . 6136 2 : 1 . 5576 245 . 000 245 . 000 000 000 MHz MHz CH1 Cor 3 : -55 . 414 dB 490 . 000 MHz 1 1 Cor 2 2 3 START . 010 000 MHz STOP 800 . 000 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 000 MHz Tel: 82-32-621-1213 Fax: 82-32-621-1218 CENTER 245 . 000 000 MHz http://www.itf.co.kr SPAN [email protected] 60 . 000 000 MHz 2013. 04.01 Rev 1.0