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Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 897.0MHz Model No: TB0840A Part No: MP09024 Rev No: 1 TB0840A v1 1 A. MAXIMUM RATING: Electrostatic Sensitive Device 1. Operating temperature range: -40°C to 85°C 2. Storage temperature range: -40°C to 85°C 3. Input Power Level: 10dBm 4. Maximum DC Voltage: 10V 5. Moisture Sensitivity Level: Level 1 (MSL1) B. CHARACTERISTICS: Characteristics Min. Typ. Max. Center frequency FC MHz - 897 - Maximum Insertion loss IL dB - 28 30 3dB Band Width MHz 24 26 - 30dB Band Width MHz 29 32 Passband Ripple in Fc ± 10MHz dB - 0.5 1.2 Group Delay in Fc ±10MHz nsec - 40 120 Absolute delay usec - 0.82 - Single Input Impedance Ohm - 50 - Single Output Impedance Ohm - 50 - Temperature Coefficient ppm/°C - -0.036 -
Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 897.0MHz Model No: TB0840A Part No: MP09024 Rev No: 1 TB0840A v1 2 C. FREQUENCY CHARACTERISTICS: 1. Wide band response Fig. 1: Horizontal: 30MHz/Div, Vertical: 10dB/Div 2. Pass band & Group Delay response Fig. 2: Horizontal: 5MHz/Div, Vertical: 1dB/Div, Vertical: 50ns/Div
Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 897.0MHz Model No: TB0840A Part No: MP09024 Rev No: 1 TB0840A v1 3 D. OUTLINE DRAWING: K: RF input D: RF output Others: Ground Unit: mm E. MATCHING CIRCUIT: L1=3nH, C1=27pF, C2=10pF, C3=10pF F. PCB FOOTPRINT:
Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 897.0MHz Model No: TB0840A Part No: MP09024 Rev No: 1 TB0840A v1 4 G. PACKING: 1. Reel Dimension 2. Tape Dimension Direction of Feed
Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 897.0MHz Model No: TB0840A Part No: MP09024 Rev No: 1 TB0840A v1 5 H. RECOMMENDED REFLOW PROFILE: 1. Preheating shall be fixed at 150 ~ 180°C for 60 ~ 90 seconds. 2. Ascending time to preheating temperature 150°C shall be 30 seconds min. 3. Heating shall be fixed at 220°C for 50 ~ 80 seconds and at 260°C +0/-5°C peak (20 ~ 40 sec). 4. Time: 2 times.