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RP1308 Datasheet(PDF) 2 Page - Murata Manufacturing Co., Ltd. |
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RP1308 Datasheet(HTML) 2 Page - Murata Manufacturing Co., Ltd. |
2 / 2 page ![]() ©2010-2015 by Murata Electronics N.A., Inc. RP1308 (R) 2/12/15 Page 2 of 2 www.murata.com Electrical Connections This two-port, three-terminal SAW resonator is bidirectional. However, impedances and circuit board parasitics may not be symmetrical, requiring slightly different oscillator component- matching values. Typical Test Circuit Typical Application Circuits Case Design Equivalent LC Model Temperature Characteristics Typical Frequency Response Pin Connection 1 Input or Output 2 Output or Input 3 Case Ground Bottom View Pin 1 Pin 2 Pin 3 50 Ω Source at F C Low-Loss Matching Network 50 Ω to Power Test P P INCIDENT INCIDENT CW RF Power Dissipation = - REFLECTED REFLECTED P P 1 3 2 2 3 1 From 50 Network Analyzer Ω To 50 Network Analyzer Ω Electrical Test This SAW resonator can be used in oscillator or transmitter designs that require 180° phase shift at resonance in a two-port configuration. One- port resonators can be simulated, as shown, by connecting pins 1 and 2 together. However, for most low-cost consumer products, this is only recommended for retrofit applications and not for new designs. Phasing & Match Phasing & Match 1 2 3 Conventional Two-Port Design: Simulated One-Port Design: B 45° J (2 places) D (3 places) H G E F C A Dimensions Millimeters Inches Min Max Min Max A 9.40 0.370 B 3.18 0.125 C 2.50 3.50 0.098 0.138 D 0.46 Nominal 0.018 Nominal E 5.08 Nominal 0.200 Nominal F 2.54 Nominal 0.100 Nominal G 2.54 Nominal 0.100 Nominal H 1.02 0.040 J 1.40 0.055 C M Co Co R M L M 1 2 3 The following equivalent LC model is valid near resonance: -80 -60 -40 -20 0 +20 +40 +60 0 -50 -100 -150 +80 -200 0 -50 -100 -150 -200 f C = f O , TC = T O ΔT = TC - TO ( °C ) The curve shown on the right accounts for resonator con- tribution only and does not include LC component tem- perature contributions. The plot shown below is a typical frequency response for the RP series of two-port resonators. The plot is for RP1094. -10.0 -20.0 -30.0 -40.0 -50.0 -60.0 200.0 100.0 0.0 -100.0 -200.0 -300.0 -400.0 -500.0 -600.0 -700.0 -800.0 90 1.2 90 5.2 9 09.2 9 13.2 917 .2 921 .2 92 5.2 92 9.2 Frequency (MHz) |
Similar Part No. - RP1308_15 |
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Similar Description - RP1308_15 |
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