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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B A. MAXIMUM RATING: 1. Operating Temperature: -30°C ~ 70°C 2. Storage Temperature: -40°C ~ +85°C B. CHARACTERISTICS: Item Unit Min. Typ. Max. MHz 479.5 480 480.5 dB - 17.5 19.5 1dB Bandwidth MHz - 35.7 - 3dB Bandwidth MHz 36 38.3 - Pass band Ripple Fc ± 13.5MHz dB - 0.5 1.0 Group delay 462 ~ 498MHz ns 27 50 Center frequency Fc Max Insertion Loss Relative Attenuation: (Reference level from Max IL) 320MHz to 454MHz dB 35 52 - 506MHz to 640MHz dB 35 48 - Matching: 1. The input of the filter will be matched to 50ohm 2. The output of the filter will be matched to 50ohm TB0590A v1B 1 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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B C. FREQUENCY CHRACTERISTICS: 1. S21 Response: (span 330MHz) 2. Passband of Response: (span: 50MHz) TB0590A v1B 2 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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B 3. S11 Smith Chart: (span 200MHz) 4. S22 Smith Chart: (span 200MHz) TB0590A v1B 3 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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B D. TEST CIRCUIT: L1 Zin C1 C G SAW Filter L2 C2 Zout ZIN and ZOUT are 50Ω L1 = 12nH, C1 = 15pF, L2 = 15nH, C2 = 12pF E. OUTLINE DRAWING: C: RF input G: RF output H, D: Case Ground A, B, E, F: Ground TB0590A v1B 4 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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B F. PACKING: 1. Reel Dimension 2. Tape Dimension Direction of feed TB0590A v1B 5 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 480.0MHz Part No: MP02645 Model: TB0590A Rev No: 1B G. RECOMMENDED REFLOW PROFILE: TB0590A v1B 6