70.0 MHz SAW Filter Part Number 272901B 1. Features Typical 1dB bandwidth of 29.3 MHz High attenuation Single Ended Operation Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 70.0 - dB - 28.5 30.0 1dB Bandwidth MHz 29.2 29.3 - 3dB Bandwidth MHz - 29.5 - 50dB Bandwidth MHz - 30.45 30.55 dB - 0.7 1.2 Group Delay Variation (fo ± 14.52 MHz) nsec - 30 60 Absolute Delay usec - 3.2 - dB 54 60 - dBm - - 10 ppm/℃ ℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 14.52 MHz) Ultimate Rejection Input power Temperature Coefficient of Frequency 12.8±0.5 5.5max 6.0max Matching Schematic 7.6±0.2 2.5±0.2 D3512 Package Dimension 1 5 12pF 180nH 20pF Output 50Ω 25.4±0.2 2.5±0.2 0.45±0.05 ITF 10A001 272901B 70-29.3M 35.1±0.5 150nH Input 50Ω 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] 2010. 05. 20 Rev 1.0 70.0 MHz SAW Filter Part Number 272901B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 3dB Bandwidth & Group Delay 21 Dec 2009 03:31:58 1: 0. 0000 dB 0. 000 000 MHz 3:- . 31750 dB 29. 040 000 MHz REF -28.21 dB REF -28.76 dB CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 21 Dec 2009 03:32:08 1: 0. 0000 dB 0. 000 000 MHz 3:-245 . 11 ps 29. 040 000 MHz REF -28.21 dB REF 3.186 us CH1 Markers REF=1 BW: 29. 295909 MHz cent : Cor 69. 952168 MHz CH1 Markers REF=1 BW: 29. 490300 MHz cent : Cor 69. 951410 MHz Q: 2. 3878 Q: 2. 3720 1_loss : -28 . 522 dB 1_loss : -28 . 528 dB 1 1 2 2 3 4 3 3 2 CH2 Markers REF=2 mean: -28 . 561 dB Cor START 51. 000 000 MHz Smo Cor CH2 Markers REF=2 mean: 4 3. 2024 us 2 3 s. dev : . 12090 dB s. dev : 5. 6597 ns p-p : . 66250 dB p-p : 30. 518 ns STOP 89. 000 000 MHz CENTER 70. 000 000 MHz 50dB Bandwidth CH1 S21 LOG 10 dB/ Ultimate Rejection 21 Dec 2009 03:30:43 1: 0. 0000 dB 0. 000 000 MHz REF -28.59 dB SPAN 38. 000 000 MHz * CH1 S21 LOG 10 dB/ 21 Dec 2009 03:30:52 1:-28 . 629 dB 70. 000 000 MHz REF -28.59 dB * CH1 Markers REF=1 BW: 30. 452444 MHz 1 C Smo 1 C cent : 2 69. 955987 MHz Q: 2. 2972 1_loss : -28 . 593 dB 3 4 START 27. 500 000 MHz STOP 112. 500 000 MHz START 27. 500 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 21 Dec 2009 03:33:41 1: 0. 0000 dB 0. 000 000 MHz REF -27.49 dB STOP 112. 500 000 MHz CH1 Markers REF=1 2:-69 . 191 dB 70. 0000 MHz CH1 S11 CH2 S22 SWR SWR 20 / 20 / 21 Dec 2009 03:32:53 1: 6. 5935 70. 000 000 MHz 2: 4. 8936 70. 000 000 MHz REF 6.603 REF 4.895 Cor 3:-65 . 579 dB 140. 000 MHz 1 1 Cor START . 010 000 MHz 2 3 STOP 300. 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 2 CENTER 70. 000 000 MHz http://www.itf.co.kr SPAN 85. 000 000 MHz [email protected] 2010. 05. 20 Rev 1.0