Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Ashwell Park, Ilminster Somerset, TA19 9DX, UK SAW Resonator 868.350MHz Part No: MA05545 Model: TC0144A REV. NO.: 2 A. FEATURES: 1. 1-Port Resonator. B. MAXIMUM RATING: 1.Input Power Level: 0 dBm 2.DC voltage: 12 V 3.Operating Temperature: -40°C to +85°C 4.Storage Temperature: -40°C to +85°C C. ELECTRICAL CHARACTERISTICS: Characteristic Center frequency Fr Insertion Loss IL Equivalent Elements Motional capacitance C1 Motional inductance L1 Motional resistance R1 Parallel capacitance Co Temp.coeff. Turnover To Package size Units Minimum Typical Maximum MHz dB 868.150 - 868.350 1.3 868.550 2.5 fF H Ohm pF ppm/c*2 deg.C - 1.21 27.66 17.92 2.51 0.032 SMD 5X5X1.4mm 50 20 D. OUTLINE DRAWING: TC0144A v2 1 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Ashwell Park, Ilminster Somerset, TA19 9DX, UK SAW Resonator 868.350MHz Part No: MA05545 Model: TC0144A REV. NO.: 2 E. EQUIVALENT CIRCUIT: One-Port Resonator: Source Impedance Load Impedance C0 #6 #2 50 O R1 C1 50 O L1 F. FREQUENCY CHARACTERISTICS: R esonator 868.35M H z Frequency C haractristics (S21) 0 -5 dB -10 -15 -20 -25 866.85 867.35 867.85 868.35 868.85 869.35 869.85 Frequency (C enter Frequency 868.35M H z Span 3M H z) G. TEST CIRCUIT: Network analyzer From 50O Network Analyzer 6 2 50Ω SAW Resonator 50Ω To 50 O Network Analyzer 1? 3? 4? 5? 7? 8 TC0144A v2 2 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Ashwell Park, Ilminster Somerset, TA19 9DX, UK SAW Resonator 868.350MHz Part No: MA05545 Model: TC0144A REV. NO.: 2 H. PACKING: 1.REEL DIMENSION 2.TAPE DIMENSION TC0144A v2 3