TC0274A

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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 Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 1 A. FEATURES: One - Port Resonator. B. MAXIMUM RATING: 1. Input Power Level: 0dBm 2. DC voltage: 12V 3. Operating Temperature: -40°C to +85°C 4. Storage Temperature: -40°C to +85°C C. ELECTRICAL CHARACTERISTICS: Reference Temperature TA = 25°C Characteristic Unit Min. Typ. Max. Center frequency Fc MHz 314.925 315.00 315.075 Insertion Loss IL dB - 1.5 2.5 Unload quality factor QU - 8000 - Ageing of Fc ppm/yr - - ±10 Motional capacitance C1 fF - 2.89 - Motional inductance L1 μH - 87.5 - Motional resistance R1 Ohm - 20.2 - Parallel capacitance Co pF - 4.14 - Frequency Temperature coefficient (TCf) ppm/c*2 - 0.032 - Turnover To deg. C - 25 - Package size SMD 3 X 3 X 1.1mm Temperature dependence of Fc: Fc (TA) = Fc (TO) (1+TCf (TA-TO)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 Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 2 D. EQUIVILENT CIRCUIT: One-Port Resonator: R1 C1 L1 # E # B Source Impedance Load Impedance 50Ω 50Ω E. OUTLINE DRAWING:

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 3 F. FREQUENCY CHARACTERISTICS:

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 4 G. TEST CIRCUIT:  Network analyzer  SAW Resonator E B A, C, D, F H. PCB FOOT PRINT: To 50Ω Network Analyzer From 50Ω Network Analyzer

Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 5 I. 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 Resonator: 315.0MHz Model: TC0274A Part No: MP06999 Rev No: 2 TC0274A v2 6 J. RECOMMENDED REFLOW PROFILE: