121.5 MHz SAW Filter Part Number 250528B 1. Features Typical 1dB bandwidth of 4.8 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 121.35 121.5 121.65 dB - 24.5 26.5 1dB Bandwidth MHz 4.6 4.8 - 3dB Bandwidth MHz - 5.0 - 40dB Bandwidth MHz - 5.9 6.2 dB - 0.45 1.0 Group Delay Variation (fo ± 2.15 MHz) nsec - 100 250 Absolute Delay usec - 4.0 - dB 45 52 - ppm/℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 2.15 MHz) Ultimate Rejection Temperature Coefficient of Frequency * Input POWER : +10dBm 12.8±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D3512 Package Dimension C1 1 5 Output 50Ω 25.4±0.2 2.5±0.2 L2 C2 L1 0.45±0.05 ITF 15A001 250528B 121.5-4.8M 35.1±0.5 Input 50Ω L1 = 27nH, C1 = 110pF, L2 = 22nH, C2 = 82pF 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] 2015. 03. 11 Rev 1.0 121.5 MHz SAW Filter Part Number 250528B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 11 Mar 2015 10:07:10 1: 0. 0000 dB 0. 000 000 MHz 3: . 04060 dB 4. 300 000 MHz REF -24 dB REF -24 dB CH1 S21 LOG 10 dB/ CH2 Markers REF=1 4. 805993 MHz BW: cent : 121 . 527087 MHz 11 Mar 2015 10:06:28 1: 0. 0000 dB 0. 000 000 MHz REF -24 dB BW: 1 Cor Q: 25 . 287 CH1 Markers REF=1 5. 859610 MHz cent : 121 . 521693 2 MHz Q: 20 . 739 1_loss : -24 . 308 dB 1 1_loss : -24 . 300 dB 2 3 3 4 2 CH4 Markers REF=2 mean : -24 . 264 dB Cor s. dev : . 08140 dB p-p : . 39880 dB 4 3 Cor CENTER 121 . 500 000 MHz SPAN 6. 000 000 MHz 2 4 CENTER 121 . 500 000 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 200 ns/ 20 . 000 000 MHz Smith Chart(S11 & S22) 11 Mar 2015 10:06:55 1: 0. 0000 dB 0. 000 000 MHz 3: 22 . 465 ns 4. 300 000 MHz REF -24 dB REF 3.932 us SPAN CH1 S11 CH3 S22 1 U FS 1 U FS 1: 60. 477 2: 13. 084 11 Mar 2015 10:07:29 221. 27 pF 121. 504 000 MHz 7. 8422 nH 121. 500 000 MHz -5 . 9199 5. 9868 CH2 Markers REF=1 5. 007622 MHz BW: cent : 121 . 524567 MHz Cor Q: 24 . 268 1_loss : -24 . 311 dB 1 Cor 2 2 3 1 2 Cor CH4 Markers REF=2 mean : 43. 9953 us 3 Smo s. dev : 19 . 849 4ns p-p : 98 . 801 ns Cor CENTER 121 . 500 000 MHz SPAN 6. 000 000 MHz 2 CENTER 121. 500 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ REF -24 dB SPAN 20. 000 000 MHz SWR(S11 & S22) 11 Mar 2015 10:08:23 1: -26 . 971 dB 121 . 504 000 MHz CH1 CH3 S11 S22 SWR SWR 2 / 2 / 11 Mar 2015 10:07:52 1: 1. 2440 121 . 504 000 MHz 2: 3. 8805 121 . 500 000 MHz REF 0 REF 0 Cor 1 Cor 1 2 START . 010 000 MHz STOP 500 . 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 121 . 500 000 MHz http://www.itf.co.kr SPAN [email protected] 20 . 000 000 MHz 2015. 03. 11 Rev 1.0