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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 1228.0MHz Model: TA0490A Part No: MA08506 REV. NO.: 1 TA0490A v1 1 A. MAXIMUM RATING: 1. Input Power Level: 5 dBm 2. DC voltage: 3 V 3. Operating Temperature: -40°C to 85°C 4. Storage Temperature: -40°C to +85°C B. CHARACTERISTICS: Item Unit Min. Typ. Max. Center Frequency MHz - 1228 - Insertion Loss 1218 ~ 1238 MHz dB - 2.7 3.9 Ripple 1218 ~ 1238 MHz dB - 0.4 1.8 Absolute Attenuation 0 ~ 1088 MHz dB 38 53 - 1088 ~ 1178 MHz dB 32 46 - 1178 ~ 1188 MHz dB 20 45 - 1270 ~ 1290 MHz dB 15 35 - 1290 ~ 1378 MHz dB 30 49 - 1378 ~ 1480 MHz dB 35 55 - 1480 ~ 2500 MHz dB 27 34 - 2500 ~ 3000 MHz dB 18 28 - Source Impedance Ω - 50 - Load Impedance Ω - 50 - Note1. No matching network required for operation at 50Ω
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 1228.0MHz Model: TA0490A Part No: MA08506 REV. NO.: 1 TA0490A v1 2 C. TRANSFER FUNCTION:
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 1228.0MHz Model: TA0490A Part No: MA08506 REV. NO.: 1 TA0490A v1 3 D. MEASUREMENT CIRCUIT: E. OUTLINE DRAWING: F. PCB FOOTPRINT: 50Ω HP Network analyzer 50Ω SAW Filter B E A,C,D,F L 2 B: Input E: Output A,C,D,F: Ground Unit: mm
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 1228.0MHz Model: TA0490A Part No: MA08506 REV. NO.: 1 TA0490A v1 4 G. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION Direction of Feed