RoHS Compliance This component is compliant with RoHS directive. This component was always RoHS compliant from the first date of manufacture. RO3164A/A-1 Designed for European 868.35 MHz SRD Transmitters Very Low Series Resistance Quartz Stability 868.35 MHz Surface-mount Ceramic Case SAW Resonator The RO3164A is a one-port surface-acoustic-wave (SAW) resonator packaged in a surface-mount ceramic case. It provides reliable, fundamental-mode quartz frequency stabilization of fixed-frequency transmitters operating at 868.35 MHz. The RO3164A is designed specifically for remote control and wireless security SRD transmitters operating under ETSI EN 300 220-2. Absolute Maximum Ratings Rating Value Units CW RF Power Dissipation +5 dBm DC Voltage Between Terminals 30 VDC Case Temperature -40 to +85 C SM5035-4 Soldering Temperature, 10 seconds / 5 cycles maximum 260 C Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units Frequency, +25 C RO3164A 868.150 868.550 f MHz C RO3164A-1 868.200 868.500 2,3,4,5 Tolerance from 868.35 MHz RO3164A 200 kHz f C RO3164A-1 150 Insertion Loss IL 2,5,6 1.3 2.0 dB Quality Factor Unloaded Q Q 5,6,7 6600 U 50 Loaded Q Q 800 L Temperature Stability Turnover Temperature T 10 25 40 C O Turnover Frequency f 6,7,8 f kHz O C 2 Frequency Temperature Coefficient FTC 0.032 ppm/C Frequency Aging Absolute Value during the First Year fA 1 <10 ppm/yr DC Insulation Resistance between Any Two Terminals 5 1.0 M RF Equivalent RLC Model Motional Resistance R 13.8 M Motional Inductance L 5, 6, 7, 9 16.8 H M Motional Capacitance C 2.0 fF M Shunt Static Capacitance C 5, 6, 9 1.8 pF O Test Fixture Shunt Inductance L 2, 7 18.3 nH TEST Lid Symbolization (in addition to Lot and/or Date Codes) RO3164A: 660, RO3164A-1: 780: 868 // YYWWS CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. 2010-2015 by Murata Electronics N.A., Inc. RO3164A/A-1 (R) 11/28/18 Page 1 of 3 www.murata.comNOTES: 1. Frequency aging is the change in f with time and is specified at +65 C or less. to change without notice. C 7. Derived mathematically from one or more of the following directly measured Aging may exceed the specification for prolonged temperatures above +65 C. parameters: f , IL, 3 dB bandwidth, f versus T , and C . Typically, aging is greatest the first year after manufacture, decreasing in subse- C C C O quent years. 8. Turnover temperature, T , is the temperature of maximum (or turnover) O 2. The center frequency, f , is measured at the minimum insertion loss point, IL , frequency, f . The nominal frequency at any case temperature, T , may be C MIN O C with the resonator in the 50 test system (VSWR 1.2:1). The shunt 2 calculated from: f = f 1 - FTC (T -T ) . Typically o sc il lato r T is O O C O inductance, L , is tuned for parallel resonance with C at f . Typically, TEST O C approximately equal to the specified re son ator T . O f or f is approximately equal to the resonator f . OSCILLATOR TRANSMITTER C 9. This equivalent RLC model approximates resonator performance near the 3. One or more of the following United States patents apply: 4,454,488 and resonant frequency and is provided for reference only. The capacitance C is O 4,616,197. the static (nonmotional) capacitance between the two terminals measured at low 4. Typically, equipment utilizing this device requires emissions testing and frequency (10 MHz) with a capacitance meter. The measurement includes government approval, which is the responsibility of the equipment manufacturer. parasitic capacitance withNC pads unconnected. Case parasitic capacitance 5. Unless noted otherwise, case temperature T = +25 2 C. C is approximately 0.05 pF. Transducer parallel capacitance can by calculated as: 6. The design, manufacturing process, and specifications of this device are subject C C - 0.05 pF. P O Electrical Connections The SAW resonator is bidirectional and may be Terminal Typical Local Oscillator Applications installed with either orientation. The two terminals are interchangeable and unnumbered. The callout Output NC indicates no internal connection. The NC pads +VDC assist with mechanical positioning and stability. C1 +VDC External grounding of the NC pads is Terminal L1 recommended to help reduce parasitic capacitance in the circuit. C2 Typical Test Circuit The test circuit inductor, L , is tuned to resonate with the static TEST RO3XXXA RF Bypass capacitance, C , at F . Bottom View O C Typical Application Circuits ELECTRICAL TEST Typical Low-Power Transmitter Application From 50 To 50 +9VDC Network Analyzer Network Analyzer 200k Modulation 47 Input C1 L1 (Antenna) C2 POWER TEST RF Bypass RO3XXXA Bottom View P 470 INCIDENT Terminal Low-Loss 50 Source Matching NC NC P at F REFLECTED Network to C 50 Equivalent RLC Model Terminal P P CW RF Power Dissipation = INCIDENT - REFLECTED Temperature Characteristics The curve shown on the right f = f , T = T C O C O 0 0 accounts for resonator -50 -50 contribution only and does not include LC component -100 -100 temperature contributions. -150 -150 -200 -200 -80-60-40-20 0 +40 +60 +80 +20 T = T - T ( C ) C O Copyright Murata Manufacturing Co., Ltd. All rights reserved. 2007 RO3164A/A-1 (R) 11/28/18 Page 2 of 3 www.murata.com (ppm) (f-f ) f / o o Case Ground Case Ground