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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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 1 A. MAXIMUM RATING: 1. Input Power Level: 10 dBm 2. Operating Temperature: -20°C to +80°C 3. Storage Temperature: -40°C to +85°C B. CHARACTERISTICS: Ambient Temperature: 25 °C Item Unit Min. Typ. Max. Center frequency, Fc MHz - 61.38 - Insertion Loss, IL dB - 8.8 10.0 -1 dB Bandwidth MHz 1.8 2.53 - -3 dB Bandwidth MHz 2.8 2.98 - -40 dB Bandwidth MHz - 4.92 5.2 Amplitude Ripple Fc±0.75MHz dB - 0.5 1.0 Group-delay Ripple Fc±0.75MHz dB - 110 150 Relative Attenuation 1.0 ~ 57.38MHz dB 45 52 - Relative Attenuation 65.38 ~150MHz dB 45 48 - Temp Coefficient ppm/K -23

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 2 C. FREQUENCY CHARACTERISTICS: (1) wide band Response:(span 50MHz) (2) Pass band Response and Group Delay Variation: (span 5MHz)

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 3 (3) S11 Smith-Chart: (span 50MHz) (4) S22 Smith-Chart: (span 50MHz)

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 4 (5) wide band Response:(span 150MHz) D. OUTLINE DRAWING: Pin K : RF Input Pin E : RF Output Pin A,B,C,D,F,G,H,I,J,L : Ground Unit: mm 7 2 8

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 5 E. PCB FOOTPRINT: F. MATCHING CIRCUIT: SA W Filte r L1 L2 C1Zin Zout Zin= Zout=50 ohm L1= 180nH, C1=110pF, L2=82nH, L2=220nH

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 6 G. PACKING: (1). REEL DIMENSION: (2). TYPE DIMENSION: 7 2 8 7 2 8

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 61.380MHz Model: TB0728A Part No: MP02237 REV NO.: 1 TB0728A v1 7 H. RECOMMENDED REFLOW PROFILE: