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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 268.40MHz SAW Filter Model: TB0377A Part No: MA09008 REV NO.: 1 TB0377A v1 1 A. MAXIMUM RATINGS: 1. Input Power Level: 10 dBm 2. Operating Temperat ure: -20°C to 80°C 3. Storage Temperatur e: -40°C to 80°C B. ELECTRICAL CHARACTERISTICS: 1. Ambient Temperature: 25 °C Value Characteristics Min. Typ. Max. Note Center frequency FC MHz - 268.4 - - Minimum Insertion loss I.L. dB - 12.4 14.0 - 1 dB Bandwidth MHz 35.0 40.5 - - 20 dB Bandwidth MHz - 50 55 - Amplitude Ripple (FC ± 17.5MH) dB - 0.75 1.0 - Input Power dBm - - +10 - Relative Rejection (Reference to Minimum Insertion loss) 205.9~240.9 MHz 20 31 - -

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK 268.40MHz SAW Filter Model: TB0377A Part No: MA09008 REV NO.: 1 TB0377A v1 2 C. FREQUENCY CHARACTERISTICS: (1) wide band of Response: (span: 300MHz) Fig1.S21 Response Horizontal:30MHz/Div Vertical: 10dB/Div (2) Passband of Response: (span: 50MHz) Fig2.S21 Response Horizontal:5MHz/Div Vertical: 1dB/Div

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK 268.40MHz SAW Filter Model: TB0377A Part No: MA09008 REV NO.: 1 TB0377A v1 3 D. TEST CIRCUIT: L1=56nH, L2=39nH, C1=9pF, C2=6pF E. OUTLINE DRAWING: Pin 1: RF input Pin 5: RF output Pin 4,8: Case Ground Pin 2,3,6,7: Ground

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK 268.40MHz SAW Filter Model: TB0377A Part No: MA09008 REV NO.: 1 TB0377A v1 4 F. 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 268.40MHz SAW Filter Model: TB0377A Part No: MA09008 REV NO.: 1 TB0377A v1 5 G. RECOMMENDED REFLOW PROFILE: