122.85 MHz SAW Filter Part Number 250222B 1. Features Typical 1.5dB bandwidth of 2.7 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 122.75 122.85 122.95 dB - 24.5 26.5 1.5dB Bandwidth MHz 2.7 2.77 - 3dB Bandwidth MHz - 2.87 - 40B Bandwidth MHz - 3.57 3.65 45dB Bandwidth MHz - 3.65 - dB - 0.5 1.2 Group Delay Variation (fo ± 1.1 MHz) nsec - 200 400 Absolute Delay usec - 3.92 4.0 Relative Attenuation (fo ± 8.15 MHz) dBc 50 55 Temperature Coefficient of Frequency ppm/℃2 - -0.03 Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 1.1 MHz) - Input POWER : +10dBm 12.8±0.5 5.5max 6.0max 7.6±0.2 Matching Network Configuration 2.5±0.2 D3512 Package Dimension 1 L1 L2 25.4±0.2 2.5±0.2 C1 0.45±0.05 ITF RDPA29 250222B 122.85-2.7M Input 50Ω 35.1±0.5 5 Output 50Ω C2 L1 = 100nH, L2 = 100nH C1 = 47pF, C2 = 47pF 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] 2014. 01. 29 Rev 1.0 122.85 MHz SAW Filter Part Number 250222B 3. Typical Performance ( at +25℃ ℃) 1.5dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth & 45dB Bandwidth 28 Jan 2014 12:18:01 1: 0. 0000 dB 0. 000 000 MHz 3: . 02310 dB 2. 200 000 MHz REF -24.4 dB REF -24.92 dB BW: LOG LOG 10 dB/ 10 dB/ 28 Jan 2014 12:14:45 1: 0. 0000 dB 0. 000 000 MHz 1: 0. 0000 dB 0. 000 000 MHz REF -24.51 dB REF -24.5 dB CH1 Markers REF=1 2. 772448 MHz cent : 122. 858764 MHz Cor CH1 S21 CH2 S21 BW: 1 C cent : 122. 860999 MHz Q: 44. 314 Q: 34. 358 2 1_loss : -24 . 514 dB 1 CH1 Markers REF=1 3. 575942 MHz 1_loss : -24 . 476 dB 2 3 4 3 2 CH2 Markers REF=2 mean:-24 . 656 dB Cor 3 4 3 4 C BW: s. dev : . 12980 dB CH2 Markers REF=1 3. 650386 MHz cent : 122. 878073 MHz p-p : . 52520 dB Q: 33. 662 1_loss : -24 . 476 dB CENTER 122. 850 000 MHz SPAN 3. 500 000 MHz CENTER 122. 850 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 500 ns/ 28 Jan 2014 12:18:33 1: 0. 0000 dB 0. 000 000 MHz 3: 16. 441 ns 2. 200 000 MHz REF -24.4 dB REF 3.73 us BW: Relative Attenuation CH1 S21 LOG 10 dB/ 28 Jan 2014 12:15:16 1: 0. 0000 dB 0. 000 000 MHz REF -24.51 dB CH1 Markers REF=1 2. 878203 MHz cent : 122. 859341 MHz Cor SPAN 18. 000 000 MHz CH1 Markers REF=1 2:-60 . 456 dB -8 . 15000 MHz 1 C Q: 42. 686 3:-60 . 504 dB 8. 15000 MHz 1_loss : -24 . 518 dB 1 2 3 2 Smo Cor CH2 Markers 4 REF=2 mean: 3. 9290 us 3 s. dev : 37. 735 ns p-p : 191. 17 ns 2 CENTER 122. 850 000 MHz SPAN 3. 500 000 MHz 3 CENTER 122. 850 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ REF -25.26 dB SPAN 18. 000 000 MHz SWR(S11 & S22) 28 Jan 2014 12:19:26 1:-24 . 974 dB 122. 850 000 MHz CH1 S11 CH2 S22 SWR SWR 1 / 1 / 28 Jan 2014 12:17:23 1: 1. 6567 122. 850 000 MHz 2: 2. 2915 122. 850 000 MHz REF 1.657 REF 2.288 1 Cor 1 Cor START . 010 000 MHz STOP 500. 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 START 113. 850 000 MHz http://www.itf.co.kr STOP 131. 850 000 MHz [email protected] 2014. 01. 29 Rev 1.0