158.5 MHz SAW Filter Part Number 251931B 1. Features Typical 1dB bandwidth of 18.8 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -30℃ ℃ ~ +80℃ ℃ Minimum Typical Maximum MHz - 158.5 - dB - 29.7 31.5 1dB Bandwidth MHz 18.70 18.82 - 3dB Bandwidth MHz - 19.01 - 40dB Bandwidth MHz - 19.85 20.0 dB - 0.65 1.2 Group Delay Variation (fo ± 9.0 MHz) nsec - 40 80 Absolute Delay usec - 4.28 - dB 48 53 - ppm/℃ - -18 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 9.0 MHz) Ultimate Rejection Temperature Coefficient of Frequency Input Power : +10dBm Room Temperature : +25℃ ℃ Insertion Loss dB - 29.7 31.5 Amplitude Ripple (fo ± 9.16 MHz) dB - 0.65 1.2 Group Delay Variation (fo ± 9.16 MHz) nsec - 40 80 Relative Attenuation usec - 2.14 - (Fo±9.0)±1.0MHz dB 35 45 - 12.8±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D3512 Package Dimension 1 5 25.4±0.2 2.5±0.2 0.45±0.05 ITF 13A001 251931B 158.5-18.8M 35.1±0.5 Input 50Ω Output 50Ω L1 L2 L1 = 22nH, L2 = 18nH Dimensions shown are nominal in millimeters 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 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. 26 Rev 1.0 158.5 MHz SAW Filter Part Number 251931B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple 40dB Bandwidth 4 Sep 2012 12:13:27 CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ REF -29.4 dB REF -30.07 dB 1 : 0 . 0000 3 : - . 23260 dB dB 4 Sep 2012 12:10:15 0 . 000 18 . 320 000 000 CH1 MHz MHz S21 LOG 10 dB/ REF -30.12 dB 1 : 0 . 0000 dB 0 . 000 CH2 Markers REF=1 18 . 818091 MHz BW : : 158 . 481987 MHz MHz CH1 Markers REF=1 19 . 853405 MHz BW : 1 cent 000 Cor cent Q: 8 . 4218 : 158 . 473765 MHz 2 Q: 7 . 9822 1_ loss : -29 . 734 dB 1_ loss 1 : -30 . 118 dB 2 Hld 3 4 3 2 CH4 Cor mean : -29 Markers REF=2 . 704 dB s . dev : . 10960 dB p-p : . 68720 dB 3 4 Cor Hld Hld 2 4 CENTER 158 . 500 000 MHz SPAN 25 . 000 000 MHz CENTER 158 . 500 3dB Bandwidth & Group Delay 000 MHz SPAN S21 S21 LOG DEL 1 dB/ 200 ns/ 1 : 0 . 0000 3 : -6 . 5920 REF -29.4 dB REF 4.277 us dB ns 000 MHz Relative Attenuation 4 Sep 2012 12:13:48 CH2 CH4 70 . 000 4 Sep 2012 12:11:18 0 . 000 18 . 320 000 000 MHz MHz CH1 CH3 S21 S21 LOG LOG 10 dB/ 10 dB/ REF -30.12 dB REF -30.12 dB 2 : 0 . 0000 2 : 0 . 0000 dB dB 0 . 000 0 . 000 000 000 MHz MHz * CH2 Markers REF=1 19 . 012430 MHz BW : cent : 158 . 487112 MHz CH1 Markers REF=2 1 : - . 12800 dB 9 . 00000 MHz 2 Cor 2 3 : -46 Q: 8 . 3360 . 667 -1 . 00000 dB MHz 1 1_ loss : -29 . 734 dB 1 C2 2 Hld Hld 3 CH4 2 Cor mean 4 3 Smo Markers REF=2 : 4 . 2895 us s . dev : 7 . 7840 ns p-p : 40 . 527 ns CH3 Markers REF=2 1 : . 20150 dB -9 . 00000 MHz 3 3 : -54 . 212 dB 1 . 00000 MHz 3 Cor Hld Hld 2 4 CENTER 158 . 500 000 MHz SPAN 25 . 000 000 MHz CENTER 158 . 500 000 Wideband Properties MHz SPAN S21 LOG 10 dB/ REF -32.64 dB 1 : -33 . 737 dB 000 MHz SWR(S11 & S22) 4 Sep 2012 12:16:26 CH1 70 . 000 4 Sep 2012 12:12:05 158 . 500 000 MHz CH1 CH3 S22 S11 SWR SWR 1 / 1 / REF 2.139 REF 1.67 1 : 2 . 1389 2 : 1 . 6698 158 . 500 158 . 500 000 000 MHz MHz * Cor 1 C2 1 Hld Hld 2 START . 010 000 MHz STOP 600 . 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 158 . 500 000 MHz http://www.itf.co.kr SPAN [email protected] 70 . 000 000 MHz 2013. 04. 26 Rev 1.0