SAW Delay-Line 881D251 1. Features CDMA RF Delay-Line Single-Ended Operation DIP Package Maximum Storage Temperature Range : -40 ~ 85 Electrostatics Sensitive Device (ESD) 2. Package Dimension ITF 04A001 881D251 Package : D3512 Pin Configuration 1 Input 5 Output 2, 4 Ground 3, 6 Case ground 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 Part No. 881D251 Rev. Date 2004-07-08 Rev. ND1002-CS02 SAW Delay-Line 881D251 3. Specifications Fo = 881.5 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 878.5 881.5 884.5 dB - 25.0 28.0 3dB Bandwidth MHz 45.0 55.0 - 30dB Bandwidth MHz - 100.0 120.0 dB - 0.8 1.0 Group Delay Variation (Fo +/- 12.5 MHz) nsec - 50 300 Absolute Delay usec 4.8 5 5.2 dB - 35 - ppm/°C - -94 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 12.5 MHz) Ultimate Rejection Temperature Coefficient of Frequency Notes : 1) All specifications are based on the matching schematic shown below 2) All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature 3) All attenuation measurements are measured relative to insertion loss I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 881D251 Rev. Date 2004-07-08 Rev. ND1002-CS02 SAW Delay-Line 881D251 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) %&! "# $ ! "#$ L1 = L2 = 6.8 nH C1 = C2 = 2.7 pF 5. Marking Configuration ITF1) 04A0012) 881D2513) 1) Manufacturer name 2) Lot Number 3) Part Number I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 881D251 Rev. Date 2004-07-08 Rev. ND1002-CS02 SAW Delay-Line 881D251 6. Typical Performance ( at +25 ( ) CH1 S21 LOG 10 dB/ 7 Jul 2004 12:44:52 1: 0. 0000 dB 0. 000 000 MHz REF -24.19 dB 881D251 CH1 Markers Smo 1 Cor 2 BW: 99. 854038 MHz : 882 . 416075 MHz REF=1 cent Q: 8. 8371 1_loss : -24 . 318 dB 3 4 CENTER 881 . 500 000 MHz CH2 CH4 S21 S21 LOG DEL 1 dB/ 300 ns/ SPAN 150 . 000 000 MHz 7 Jul 2004 12:49:34 3: - . 06990 dB 25. 000 000 MHz 3: 7. 1204 ns 25. 000 000 MHz REF -24.7 dB REF 5.33 us 881D251 CH2 Markers REF=2 mean : -23 . 545 dB s. dev : . 04280 dB p-p : . 22320 dB 3 2 1 2 3 Smo 2 1 4 CH4 Markers Cor REF=2 mean : 5. 0597 us Smo s. dev : 8. 0738 ns p-p : 34. 790 ns Cor CENTER 881 . 500 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 30. 000 000 MHz Part No. 881D251 Rev. Date 2004-07-08 Rev. ND1002-CS02 ' SAW Delay-Line 881D251 CH1 S21 LOG 10 dB/ 7 Jul 2004 12:45:17 1: 0. 0000 dB 0. 000 000 MHz REF -24.19 dB 881D251 CH1 Markers Smo 1 Cor BW: 2 3 54. 331341 MHz : 881 . 347908 MHz 4 REF=1 cent Q: 16. 222 1_loss : -24 . 332 dB CENTER 881 . 500 000 MHz CH1 CH3 S11 S22 1 U FS 1 U FS 1: 158 . 58 2: 87. 020 SPAN 150 . 000 000 MHz 91. 406 29. 531 7 Jul 2004 12:45:52 16. 503 nH 881 . 500 000 MHz 5. 3319 nH 881 . 500 000 MHz 881D251 Smo Cor Cor 1 2 CENTER 881 . 500 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 150 . 000 000 MHz Part No. 881D251 Rev. Date 2004-07-08 Rev. ND1002-CS02