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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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 1 A. MAXIMUM RATING: 1. Operating temperature range: -40° C to +65° C 2. Storage temperature range: -40° C to +85° C 3. Input Power Level: 10dBm 4. Maximum DC Voltage: 10V B. CHARACTERISTICS: Electrical Parameters Value Parameter Sign Units Min. Typ. Max. Central Frequency Fc MHz - 145 - Insertion Loss IL dB - 3.0 3.5 -0.5 dB Pass Bandwidth BW1 MHz 0.050 0.068 - -3 dB Pass Bandwidth BW3 MHz - 0.098 0.140 -40 dB Pass Bandwidth BW40 MHz - 0.28 0.38 Amplitude Ripple Fc ± 0.02MHz AR dB - 0.3 0.5 Input/Output VSWR at Fc VSWR - - 1.2 1.7 Relative Attenuation DC ~ 144.6MHz UR dB 50 70 - 145.4MHz ~ 290MHz UR dB 50 60 - 290MHz ~ 435MHz UR dB 50 70 - Source and Load Impedances RS/RL Ω 50

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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 2 C. FREQUENCY CHARACTERISTICS: 1. Wide band Response: (span 1MHz) Fig1. Horizontal: 0.1MHz/Div, Vertical: 10dB/Div 2. Pass band Response and Group Time Delay response: Fig2. Horizontal: 0.02MHz/Div, Vertical: 1dB/Div & Vertical: 2us/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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 3 3. VSWR: Fig3. Horizontal: 0.1MHz/Div, Vertical: 1/Div D. MATCHING CIRCUIT: L1 = 180nH, C1 = 2pF, L2 = 180nH, C2 = 2pF Zin = 50 Ω, Zout = 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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 4 E. OUTLINE DRAWING: Pin A: RF input Pin B: RF input ground Pin G: RF output Pin H: RF output ground Pin C: D, E, F, J, K, M, N: Ground Unit: mm F. PCB FOOTPRINT: 7 9 0

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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 5 G. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION 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 145MHz Model: TB0790A Part No: MP02864 Rev No: 1 TB0790A v1 6 100 120 140 160 180 200 220 240 260 280 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Time (Sec) Temp ( Deg C) H. RECOMMENDED REFLOW PROFILE: