325.0 MHz SAW Filter Part Number 261905B 1. Features Typical 1dB bandwidth of 18.7 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 324.84 325.0 325.16 dB - 28.5 30.0 1dB Bandwidth MHz 18.55 18.70 - 3dB Bandwidth MHz - 19.10 - 45dB Bandwidth MHz - 20.78 20.90 dB - 0.65 1.2 Group Delay Variation (Fo±9.0075MHz) nsec - 55 100 Absolute Delay usec - 2.26 2.30 dB 47 52 - 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 D2012 Package Dimension Matching Schematic 5 12.7±0.5 5.5max 6.0max 7.6±0.2 2.5±0.2 1 C2 C1 Input 50Ω L2 12.7±0.2 2.5±0.2 0.45±0.05 ITF 13A001 261905B 325-18.7M 20.3±0.5 L1 Output 50Ω L1 = L2 = 10nH, C1 = C2 = 20pF 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. 30 Rev 1.0 325.0 MHz SAW Filter Part Number 261905B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 45dB Bandwidth 7 Mar 2013 14:50:05 1: 0. 0000 dB 0. 000 000 MHz 3:- . 20400 dB 18. 015 000 MHz REF -27.64 dB REF -28.26 dB CH1 S21 CH1 Markers REF=1 BW: 18. 657947 MHz PRm LOG 10 dB/ 7 Mar 2013 14:48:50 1: 0. 0000 dB 0. 000 000 MHz REF -28 dB CH1 Markers REF=1 BW: 20. 844244 MHz PRm 1 cent : 324 . 875328 MHz cent : 324 . 809926 MHz Q: 17. 412 Q: 15. 583 2 1_loss : -27 . 973 dB 1 Cor 1_loss : -28 . 153 dB Cor 2 3 4 3 PRm 2 CH2 Markers mean:-27REF=2 . 990 dB 3 s. dev : . 15070 dB 4 p-p : . 59970 dB Cor CENTER 325 . 000 000 MHz SPAN 22. 000 000 MHz CENTER 325 . 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 50 ns/ Smith Chart(S11 & S22) 7 Mar 2013 14:50:37 1: 0. 0000 dB 0. 000 000 MHz 3:-36 . 322 ns 18. 015 000 MHz REF -27.64 dB REF 2.236 us CH1 S11 CH2 S22 CH1 Markers REF=1 BW: 19. 073599 MHz PRm SPAN 60. 000 000 MHz 1: 63. 404 2: 64. 512 1 U FS 1 U FS 7 Mar 2013 14:52:13 212 . 48 pF 325 . 000 000 MHz 255 . 33 pF 325 . 000 000 MHz -2 . 3047 -1 . 9180 PRm cent : 324 . 865795 MHz Q: 17. 032 1_loss : -27 . 958 dB 1 Cor Cor 2 12 PRm 3 2 Smo PRm CH2 Markers mean: 2. REF=2 2650 us 4 s. dev : 7. 2547 ns 3 p-p : 47. 025 ns Cor Cor CENTER 325 . 000 000 MHz SPAN 22. 000 000 MHz CENTER 325 . 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ REF -29.68 dB SPAN 60. 000 000 MHz SWR(S11 & S22) 7 Mar 2013 14:52:58 1: 0. 0000 dB 0. 000 000 MHz CH1 S11 CH2 S22 CH1 Markers REF=1 2: -54 . 325 . 000 PRm SWR SWR 1 / 1 / 7 Mar 2013 14:52:07 1: 1. 2701 325 . 000 000 MHz 2: 1. 2929 325 . 000 000 MHz REF 1.271 REF 1.292 PRm 3: -20 . 650 . 000 1 Cor 1 3 PRm 2 Cor 2 START . 010 000 MHz STOP 1 000 . 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 325 . 000 000 MHz http://www.itf.co.kr SPAN 60. 000 000 MHz [email protected] 2013. 04. 30 Rev 1.0