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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 70.0MHz Model: TB1028 A Part No: MP04766 Rev No: 1 TB1028A v1 1 A. MAXIMUM RATING: Electrostatic Sensitive Device 1. Input Power Level: +20 dBm 2. Operating Temperature: -30C to +80C 3. Storage Temperature: -40C to +85C B. ELECTRICAL CHARACTERISTICS: Item Unit Min. Typ. Max. Center frequency Fc MHz 69.8 70 70.2 Insertion Loss IL dB - 9.1 11.0 1dB Bandwidth MHz 5.2 5.8 - 3dB Bandwidth MHz 6.0 6.8 - 40dB Bandwidth MHz - 9.6 10.0 Relative Attenuation: 10 to 64.5MHz dB 40 45 - 75.5 to 140MHz dB 37 41 - Amplitude ripple within Fc ± 2.1MHz dB - 0.8 1.0 Group Delay ripple within Fc ± 2.1MHz nsec - 100 170 Substrate Material - - YZ-LN - Temperature Coefficient of frequency ppm/°C - -94 -

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 70.0MHz Model: TB1028 A Part No: MP04766 Rev No: 1 TB1028A v1 2 C. FREQUENCY CHARACTERISTICS: 1. Frequency Response Fig. 1: Horizontal: 10MHz / Div, Vertical: 10dB / Div 2. Passband response and Group Delay Variation Fig. 2: Horizontal: 1MHz / Div, Vertical: 1dB / Div, Vertical: 100ns / Div

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 70.0MHz Model: TB1028 A Part No: MP04766 Rev No: 1 TB1028A v1 3 D. MEASUREMENT CIRCUIT: L1 = 180nH L2 = L3 = 120nH C1 = C2 = 82pF C3 = 22pF E. OUTLINE DRAWING: Laser Marking F. PCB FOOTPRINT: K: RF input L: RF Input ground E: RF output F: RF balance output or to be ground A, B, C, D, G, H, I, J: Ground Unit: mm

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 70.0MHz Model: TB1028 A Part No: MP04766 Rev No: 1 TB1028A v1 4 G. PACKING: 1. Reel Dimension 2. Tape Dimension

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 70.0MHz Model: TB1028 A Part No: MP04766 Rev No: 1 TB1028A v1 5 100 120 140 160 180 200 220 240 260 280 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Temp ( Deg C) Time (Sec) H. RECOMMENDED REFLOW PROFILE: