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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 A. MAXIMUM RATING: Electrostatic Sensitive Device 1. Input Power Level: 10dBm 2. DC Voltage: 0V 3. Operating Temperature: -20°C to +70°C 4. Storage Temperature: -40°C to +85°C B. ELECTRICAL CHARACTERISTICS: Item Unit Min. Typ. Max. Center frequency Fc MHz - 246 - 1dB BW kHz 200 350 - 3dB BW kHz - 500 - Exclude loss in matching elements *1) dB - 1.9 3.2 Incl. loss of matching elements *2) dB - 2.1 3.4 dB - 0.5 1.5 10.000 ~ 203.00MHz dB 50 65 - 203.00 ~ 240.00MHz dB 33 41 - 240.00 ~ 245.00MHz dB 15 25 - 247.00 ~ 265.00MHz dB 10 18 - 265.00 ~ 400.00MHz dB 39 47 - 400.00 ~ 1000.0MHz dB 50 57 - Minimum insertion loss IL (min) Passband (relative to IL min) *1) 245.90 ~ 246.10MHz Attenuation (relative to IL min) *1) Temperature Coefficient ppm/oC2 -0.036 Impedance at Fc Input *1) ZIN = RIN // CIN ZS Ω 2195Ω // 1.9pF Impedance at Fc Output *1) ZOUT = ROUT // COUT ZL Ω 2915Ω // 1.68pF *1. The matching circuit is ideal by simulation. *2. The matching circuit is real by actual passive components. 0805 Coillcraft CS series chip conductor is used for inductor. 0402 muRata GRM series is used for capacitor. TA1472A v1 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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 C. FREQUENCY CHARACTERISTICS: TA1472A v1 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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 D. MEASUREMENT CIRCUIT: The matching circuit is ideal by simulation L1: 212nH, L2: 245nH (Ideal value) C1: 0pF, C2: 0pF (Ideal value) TA1472A v1 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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 E. OUTLINE DRAWING: 2: Input 6: Output 4, 8: Case Ground 1, 3, 5, 7: Ground F. PCB FOOTPRINT: TA1472A v1 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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 G. PACKING: 1. Reel Dimension 2. Tape Dimension TA1472A v1 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 246.0MHz Part No: MP04680 Model: TA1472A Rev No: 1 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 Temp ( Deg C) H. RECOMMENDED REFLOW PROFILE: Time (Sec) TA1472A v1 6