T81251B

T81251B ITF | Alldatasheet

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Technical content

812.5 MHz SAW Filter

Tel: 82-32-621-1213 2013. 03. 29 I T F Co., Ltd. 102z901, Bucheon Technopark 364, SamjeongzDong, OjeongzGu, BucheonzCity, GyounggizDo, Korea 421z809 Fax: 82-32-621-1218 Rev 1.0 1. Features /circle6 Typical 1dB bandwidth of 7.6 MHz /circle6 High attenuation /circle6 Single Ended Operation /circle6 Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25 ℃℃ ℃℃ Minimum Typical Maximum Center Frequency (fo) MHz z 812.5 z Insertion Loss dB z 22.5 24.5 1dB Bandwidth MHz z 7.6 z 3dB Bandwidth MHz 7.7 8.05 z 40dB Bandwidth MHz z 10.2 10.4 Amplitude Ripple (fo ± 3.5 MHz) dB z 0.7 1.5 Group Delay Variation (fo ± 3.5 MHz) nsec z 75 150 Absolute Delay usec z 1.6 z Ultimate Rejection dB 40 45 z Temperature Coefficient of Frequency ppm/ ℃℃ ℃℃2 z0.03 Pin Configuration Input 11 Ground 6, 12 10 9 8 7 4321 0.80±0.1 1.50±0.1 2.54±0.1 7.62±0.1 2.54±0.1 1.61±0.2 6.50±0.2 13.30±0.2 1234 10 987 6 11 Dimensions shown are nominal in millimeters Body : Al 2O3 Lid : Kovar, Ni Plated Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating Output 5 Others Ground ITF RSOC01 T81251B 。。 。。812.5-7.6M Input 50 Ω Output 50 Ω 11 5 2.7nH 2.2nH 5pF 7pF

Tel: 82-32-621-1213 2013. 03. 29 I T F Co., Ltd. 102z901, Bucheon Technopark 364, SamjeongzDong, OjeongzGu, BucheonzCity, GyounggizDo, Korea 421z809 Fax: 82-32-621-1218 Rev 1.0 3. Typical Performance ( at +25℃℃ ℃℃ ) 1dB Bandwidth & Ripple(Fo ± 3.5 MHz) 40dB Bandwidth 3dB Bandwidth & Group Delay(Fo ± 3.5 MHz) Smith Chart(S11 & S22) Wideband Properties SWR(S11 & S22) CH1 S11 SWR 1 / REF 0 CENTER 812 . 500 000 MHz SPAN 40 . 000 000 MHz MI812A E1 Cor PRm CH3 S22 SWR 1 / REF 0

6 Feb 2012 16:58:37

1: 4. 4597 812 . 500 000 MHz 2: 2. 3363 812 . 500 000 MHz CH1 S21 LOG 10 dB/ REF -22.2 dB START . 010 000 MHz STOP 2 000 . 000 000 MHz MI812A E1 PRm

6 Feb 2012 16:59:16

1: -25 . 379 dB 812 . 500 000 MHz CH1 S11 1 U FS CENTER 812. 500 000 MHz SPAN 40. 000 000 MHz MI812A E1 Cor PRm CH3 S22 1 U FS

6 Feb 2012 16:58:12

1: 49. 352 81. 242 15. 914 nH 812. 500 000 MHz 2: 102. 19 33. 949 6. 6501 nH 812. 500 000 MHz CH2 S21 LOG 1 dB/ REF -22.2 dB CENTER 812 . 500 000 MHz SPAN 10 . 000 000 MHz 3-2 S1365 M1S Cor PRm CH4 S21 DEL 200 ns/ REF 1.56 us Smo

6 Feb 2012 16:57:44

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 8. 057282 MHz cent : 812 . 517183 MHz Q: 100 . 84 1_loss : -22 . 519 dB 3: -11 . 978 ns 7. 000 000 MHz REF=2 CH4 Markers mean : 1. 6076 us s. dev : 13 . 460 ns p-p : 70 . 725 ns CH1 S21 LOG 10 dB/ REF -22.2 dB CENTER 812 . 500 000 MHz SPAN 40 . 000 000 MHz MI812A E1 Cor PRm

6 Feb 2012 16:57:12

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 10 . 125151 MHz cent : 812 . 516452 MHz Q: 80 . 247 1_loss : -22 . 480 dB CH2 S21 LOG 1 dB/ REF -22.2 dB CENTER 812 . 500 000 MHz SPAN 10 . 000 000 MHz 3-2 S1365 M1S Cor PRm CH4 S21 LOG 1 dB/ REF -22.2 dB

6 Feb 2012 16:57:58

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 7. 621391 MHz cent : 812 . 503865 MHz Q: 106 . 61 1_loss : -22 . 521 dB 3: - . 00990 dB 7. 000 000 MHz REF=2 CH4 Markers mean :-22 . 553 dB s. dev : . 14970 dB p-p : . 64770 dB