250121B

250121B ITF | Alldatasheet

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Technical content

142.7 MHz SAW Filter

Tel: 82-32-621-1213 2014. 02. 07 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 1.4 MHz /circle6 High attenuation /circle6 Single Ended Operation /circle6 Dual In-line Package (DIP) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25 ℃℃ ℃℃ Minimum Typical Maximum Center Frequency (fo) MHz 142.6 142.7 142.8 Insertion Loss dB - 22.0 24.0 1dB Bandwidth MHz - 1.39 - 3dB Bandwidth MHz 1.45 1.58 - 30B Bandwidth MHz - 2.28 - 50dB Bandwidth MHz - 2.53 2.7 Amplitude Ripple (fo ± 0.625 MHz) dB - 0.6 1.5 Group Delay Variation (fo ± 0.625 MHz) nsec - 150 3 00 Absolute Delay usec - 3.8 4.0 Relative Attenuation (fo ± 10MHz) dBc 50 55 Ultimate Rejection dB 50 55 Temperature Coefficient of Frequency ppm/ ℃2 - -0.03 - Input POWER : +10dBm L1 = 39nH, L2 = 47nH C1 = 43pF, C2 = 39pF 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 C2 C1 L2 L1 Input 50 Ω Output 50 Ω ITF RDPB07 250121B 142.7-1.4M 11 11 55 55

Tel: 82-32-621-1213 2014. 02. 07 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 30dB Bandwidth & 50dB Bandwidth 3dB Bandwidth & Group Delay Relative Attenuation Wideband Properties SWR(S11 & S22) CH1 S21 LOG 10 dB/ REF -24.57 dB START . 010 000 MHz STOP 500. 000 000 MHz

6 Feb 2014 10:54:05

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-34 . 696 dB 88. 7000 MHz 3:-44 . 200 dB 118. 000 MHz CH1 S11 SWR 2 / REF 5.419 Cor CH2 S22 SWR 2 / REF 3.618 CENTER 142. 700 000 MHz SPAN 10. 000 000 MHz Cor

6 Feb 2014 10:52:53

1: 5. 3994 142. 700 000 MHz 2: 3. 6172 142. 700 000 MHz CH1 S21 LOG 1 dB/ REF -21.66 dB Cor CH2 S21 DEL 200 ns/ REF 3.712 us CENTER 142. 700 000 MHz SPAN 2. 000 000 MHz Cor Smo

6 Feb 2014 10:51:37

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 1. 584588 MHz cent : 142. 724000 MHz Q : 90. 070 1_ loss : -21 . 754 dB 3: 32. 043 ns 1. 250 000 MHz REF=2CH2 Markers mean: 3. 8040 us s. dev : 30. 434 ns p-p : 134. 28 ns CH1 S21 LOG 1 dB/ REF -21.66 dB Cor CH2 S21 LOG 1 dB/ REF -21.94 dB CENTER 142. 700 000 MHz SPAN 2. 000 000 MHz Cor

6 Feb 2014 10:51:12

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 1. 389294 MHz cent : 142. 719349 MHz Q : 102. 73 1_ loss : -21 . 750 dB 3: . 33270 dB 1. 250 000 MHz REF=2CH2 Markers mean:-21 . 789 dB s. dev : . 08820 dB p-p : . 59080 dB CH1 S21 LOG 10 dB/ REF -21.519 dB CENTER 142. 700 000 MHz SPAN 25. 000 000 MHz

6 Feb 2014 10:50:27

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-64 . 386 dB -10 . 0000 MHz 3:-68 . 695 dB 10. 0000 MHz CH1 S21 LOG 10 dB/ REF -21.73 dB Cor CH2 S21 LOG 10 dB/ REF -21.73 dB CENTER 142. 700 000 MHz SPAN 10. 000 000 MHz Cor

6 Feb 2014 10:48:34

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 2. 279348 MHz cent : 142. 727842 MHz Q : 62. 618 1_ loss : -21 . 739 dB 3 4 1: 0. 0000 dB 0. 000 000 MHz REF=1CH2 Markers BW : 2. 529668 MHz cent : 142. 753621 MHz Q : 56. 432 1_ loss : -21 . 739 dB