155.0 MHz SAW Filter Part Number 251929B 1. Features Typical 1dB bandwidth of 19.4 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 - 155.0 - dB - 24.0 25.5 1dB Bandwidth MHz 19.3 19.48 - 3dB Bandwidth MHz - 19.86 - 40dB Bandwidth MHz - 21.57 21.9 Amplitude Ripple dB - 0.6 1.0 Group Delay Variation nsec - 30 80 Absolute Delay usec - 1.71 - dB 50 55 - ppm/℃ ℃ - -72 - Center Frequency (fo) Insertion Loss Ultimate Rejection Temperature Coefficient of Frequency 5.5max 6.0max 5 1 L1 Input 50Ω L2 Output 50Ω C1 12.7±0.2 2.5±0.2 7.6±0.2 0.45±0.05 ITF 13A001 251929B 155-19.4M 20.3±0.5 12.7±0.5 Matching Schematic 2.5±0.2 D2012 Package Dimension L1 = 33nH, L2 = 22nH, C1 = 39pF 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. 01 Rev 1.0 155.0 MHz SAW Filter Part Number 251929B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple 40dB Bandwidth 10 Sep 2012 22:51:47 CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 1 : 0 . 0000 3 : - . 12160 REF -23.51 dB REF -24.13 dB dB dB 10 Sep 2012 22:49:28 0 . 000 18 . 600 000 000 MHz MHz CH1 S21 LOG 10 dB/ REF -24.03 dB 1 : 0 . 0000 dB 0 . 000 CH2 Markers REF=1 19 . 480592 MHz BW : : 154 . 795170 MHz MHz CH1 Markers REF=1 21 . 570857 MHz BW : 1 cent 000 Cor cent Q: 7 . 9461 : 154 . 747682 MHz 2 Q: 7 . 1739 1_ loss : -23 . 919 dB 1_ loss 1 : -23 . 973 dB 2 3 4 3 2 CH4 Cor mean : -23 Markers REF=2 . 916 dB s . dev : . 10720 dB p-p : . 62720 dB 3 4 Cor 2 4 CENTER 155 . 000 000 MHz SPAN 24 . 000 000 MHz CENTER 155 . 000 000 MHz 3dB Bandwidth & Group Delay SPAN S21 S21 LOG DEL 1 dB/ 300 ns/ 1 : 0 . 0000 3 : -34 . 332 REF -23.51 dB REF 1.685 us dB ns MHz 10 Sep 2012 22:50:29 0 . 000 18 . 600 000 000 : MHz MHz CH1 CH3 S11 S22 1 : 11 . 427 2 : 5 . 9275 1 U FS 1 U FS 12 . 440 -3 . 1926 12 . 774 nH 321 . 62 pF 155 . 000 155 . 000 000 000 MHz MHz CH2 Markers REF=1 19 . 863530 MHz BW : cent 000 Smith Chart 10 Sep 2012 22:52:01 CH2 CH4 70 . 000 154 . 790191 MHz Cor Q: 7 . 7927 1_ loss : -23 . 911 dB 1 Cor 1 2 4 2 3 CH4 2 Cor mean 3 Smo Markers REF=2 : 1 . 7170 us 4 s . dev : 7 . 5990 ns p-p : 46 . 539 ns Cor 2 CENTER 155 . 000 000 MHz SPAN 24 . 000 000 MHz CENTER 155 . 000 000 Wideband Properties MHz SPAN S21 LOG 10 dB/ REF -25.71 dB 1 : -25 . 812 dB 000 MHz SWR(S11 & S22) 10 Sep 2012 22:53:17 CH1 70 . 000 10 Sep 2012 22:50:14 155 . 000 000 MHz CH1 CH3 S11 S22 SWR SWR 5 / 5 / REF 4.666 REF 8.469 1 : 4 . 6663 2 : 8 . 4580 155 . 000 155 . 000 000 000 MHz MHz Cor 1 Cor 1 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 155 . 000 000 MHz http://www.itf.co.kr SPAN [email protected] 70 . 000 000 MHz 2013. 04. 01 Rev 1.0