251803B

251803B ITF | Alldatasheet

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Technical content

140.0 MHz SAW Filter

Tel: 82-32-621-1213 2013. 04. 26 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Fax: 82-32-621-1218 Rev 1.0 1. Features /circle6 Typical 1dB bandwidth of 17.8 MHz /circle6 High attenuation /circle6 Single Ended Operation /circle6 Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50 Ω Operating Temperature : -30 ℃℃ ℃℃ ~ +80 ℃℃ ℃℃ Minimum Typical Maximum Center Frequency (fo) MHz - 140.0 - Insertion Loss dB - 30.5 32.0 1dB Bandwidth MHz 17.65 17.81 - 3dB Bandwidth MHz - 18.02 - 40dB Bandwidth MHz - 18.85 19.0 Amplitude Ripple (fo ± 8.5 MHz) dB - 0.75 1.2 Group Delay Variation (fo ± 8.5 MHz) nsec - 40 80 Absolute Delay usec - 4.25 - Ultimate Rejection dB 48 53 - Temperature Coefficient of Frequency ppm/ ℃ - -18 - Input POWER : +10dBm Room Temperature : +25 ℃℃ ℃℃ Minimum Typical Maximum Insertion Loss dB - 30.5 32.0 Amplitude Ripple (fo ± 8.64 MHz) dB - 0.75 1.2 Group Delay Variation (fo ± 8.64 MHz) nsec - 40 80 Relative Attenuation (Fo±8.5) ±1.0MHz dBc 35 45 L1 = 27nH, L2 = 22nH Pin Configuration Input 1 Ground 2,4 7.6±0.2 2.5±0.2 25.4±0.2 2.5±0.2 0.45±0.05 6.0max 5.5max 35.1±0.5 12.8±0.5 Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Output 5 Others Ground Output 50 Ω Input 50 Ω ITF 13A001 251803B 140-17.8M 11 11 55 55

Tel: 82-32-621-1213 2013. 04. 26 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Fax: 82-32-621-1218 Rev 1.0 3. Typical Performance ( at +25℃℃ ℃℃ ) 1dB Bandwidth & Ripple 40dB Bandwidth 3dB Bandwidth & Group Delay 50dB Bandwidth Wide band Properties SWR(S11 & S22) CH1 S11 SWR 1 / REF 1.935 Cor Hld CH3 S22 SWR 1 / REF 2.26 CENTER 140 . 000 000 MHz SPAN 60 . 000 000 MHz Hld

4 Sep 2012 14:44:39

1 : 1 . 9349 140 . 000 000 MHz 2 : 2 . 2605 140 . 000 000 MHz CH1 S21 LOG 10 dB/ REF -33.28 dB START . 010 000 MHz STOP 500 . 000 000 MHz MARKER 1

140 MHz

4 Sep 2012 14:51:10

1 : -33 . 181 dB 140 . 000 000 MHz CH1 S21 LOG 10 dB/ REF -30.95 dB Cor Hld CH3 S21 LOG 10 dB/ REF -30.95 dB CENTER 140 . 000 000 MHz SPAN 60 . 000 000 MHz Hld

4 Sep 2012 14:43:42

2 : 0 . 0000 dB 0. 000 000 MHz REF=2 CH1 Markers 1 : - . 52920 dB 8. 50000 MHz 3 : -58 . 938 dB -1 . 00000 MHz 2 : 0 . 0000 dB 0. 000 000 MHz REF=2 CH3 Markers 1 : - . 27640 dB -8 . 50000 MHz 3 : -42 . 859 dB 1. 00000 MHz CH2 S21 LOG 1 dB/ REF -29.89 dB Cor CH4 S21 DEL 100 ns/ REF 4.258 us CENTER 140 . 000 000 MHz SPAN 20 . 000 000 MHz Cor Smo

4 Sep 2012 14:48:10

1 : 0 . 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW: 18 . 004440 MHz cent : 140 . 065380 MHz Q: 7. 7795 1_ loss : -30 . 550 dB 3 : 6 . 0118 ns 17 . 280 000 MHz REF=2 CH4 Markers mean : 4 . 2556 us s . dev : 7. 7440 ns p-p : 47 . 149 ns CH1 S21 LOG 10 dB/ REF -30.95 dB CENTER 140 . 000 000 MHz SPAN 60 . 000 000 MHz Cor Hld

4 Sep 2012 14:42:29

1 : 0 . 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW: 18 . 847738 MHz cent : 140 . 060394 MHz Q: 7. 4312 1_ loss : -30 . 945 dB CH2 S21 LOG 1 dB/ REF -29.89 dB Cor CH4 S21 LOG 1 dB/ REF -30.65 dB CENTER 140 . 000 000 MHz SPAN 20 . 000 000 MHz Cor

4 Sep 2012 14:47:41

1 : 0 . 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW: 17 . 814788 MHz cent : 140 . 062571 MHz Q: 7. 8622 1_ loss : -30 . 527 dB 3 : - . 02300 dB 17 . 280 000 MHz REF=2 CH4 Markers mean : -30 . 402 dB s . dev : . 13840 dB p-p : . 76430 dB