Golledge Electronics Ltd Eaglewood Park, Ilminster Somerset, TA19 9DQ, UK Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com = SAW Filter 868.3MHz Part No: MA05578 Model: TA0257A Rev No: 5 A. MAXIMUM RATING: 1. Input Power Level: 10dBm 2. DC voltage: 0V 3. Operating Temperature: -45°C to +90°C 4. Storage Temperature: -45°C to +90°C B. ELECTRICAL CHARACTERISTICS: Reference temperature: 25°C Item Min. Typ. Max. Note Center frequency Fc (MHz) - 868.3 - 1 Minimum IL (868 ~ 868.78MHz) (dB) IL min - 2.7 4.2 868 ~ 868.78MHz (dB) - 1.0 3.0 867.9 ~ 868.88MHz (dB) - 1.5 6.0 - 1500 - 10 ~ 700MHz (dB) 50 55 - 700 ~ 830MHz (dB) 40 45 - 830 ~ 850MHz (dB) 35 40 - 850 ~ 865.02MHz (dB) 25 28 - 871 ~ 874.5MHz (dB) 15 20 - 874.5 ~ 883MHz (dB) 22 26 - 883 ~ 900MHz (dB) 30 35 - 900 ~ 1000MHz (dB) 40 45 - Pass band (relative to IL min) Pass bandwidth (relative to IL min) BW3 (kHz) 1 Attenuation: (relative to IL min) (dB) Impedance at Fc: Input ZIN = RIN // CIN Output ZOUT = ROUT // COUT 1 117Ω // 3.7pF 117Ω // 3.7pF Note: The standard definitions is in JIS C 6703 TA0257A v5 1 Golledge Electronics Ltd Eaglewood Park, Ilminster Somerset, TA19 9DQ, UK Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com = SAW Filter 868.3MHz Part No: MA05578 Model: TA0257A Rev No: 5 C. FREQUENCY CHARACTERISTICS: The response included the loss of matching circuit. TA0257A v5 2 Golledge Electronics Ltd Eaglewood Park, Ilminster Somerset, TA19 9DQ, UK Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com = SAW Filter 868.3MHz Part No: MA05578 Model: TA0257A Rev No: 5 D. MEASUREMENT CIRCUIT: HP Network analyzer 50Ω 1 SAW Filter 50Ω 5 15nH 15nH 3.3P 3.3P 2,3,4,6,7,8 E. OUTLINE DRAWING: TA0257A v5 3 Golledge Electronics Ltd Eaglewood Park, Ilminster Somerset, TA19 9DQ, UK Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com = SAW Filter 868.3MHz Part No: MA05578 Model: TA0257A Rev No: 5 F. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION TA0257A v5 4