TA0245A

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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 139MHz Model: TA0245A Part No: MA05254 Rev No: 2 TA0245A v1 1 A. MAXIMUM RATING: 1. Input Power Level: 0dBm 2. DC voltage: 10V 3. Operating Temperature: -10° C to +50° C 4. Storage Temperature: -40° C to +85° C B. ELECTRICAL SPECIFICATION: Characteristics Specification Note Center frequency Fc (MHz) 139 1 Insertion Loss IL (Within Fc ± 4MHz) (dB) 6.5 Max. 1 Attenuation: (Reference level from 0dB) (dB) Fc -100MHz to -38.8MHz (dB) 50 Min. 1 Fc +38.8MHz to +100MHz (dB) 42 Min. Impedance at Fc Input ZIN = RIN // CIN 210Ω // 11pF 2 Output ZOUT = ROUT // COUT 210Ω // 11pF 2 Note 1: The standard definitions is in JIS C 6703 Note 2: ZIN=210 Ω // 11pF Z OUT =210 Ω // 11pF Source impedance 50 Ω Load impedance 50 Ω

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 139MHz Model: TA0245A Part No: MA05254 Rev No: 2 TA0245A v1 2 C.FREQUENCY CHARACTERISTICS: TA0245A -20 -18 -16 -14 -12 -10 129 131 133 135 137 139 141 143 145 147 149 Freq.(MHz) Att.(dB) TA0245A -80 -64 -56 -48 -40 -32 -24 -16 109 119 129 139 149 159 169 179 189 Freq. (MHz) Att. (dB)

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 139MHz Model: TA0245A Part No: MA05254 Rev No: 2 TA0245A v1 3 D. MEASUREMENT CIRCUIT: Net work analyzer 50Ω L L 2 6 1,3,5,7 50Ω 160Ω 160Ω Net work analyzer 50Ω 50Ω 160Ω 160Ω 0 dB Level SAW Filter E. OUTLINE DRAWING:

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 139MHz Model: TA0245A Part No: MA05254 Rev No: 2 TA0245A v1 4 F. PACKING: 1. REEL DIMENSION . TAPE DIMENSION