RFM products are now Murata products. RO3112E Designed for European 433.42 MHz Remote Control and Security Transmitters Very Low Series Resistance 433.42 MHz Quartz Stability Pb Complies with Directive 2002/95/EC (RoHS) SAW The RO3112E is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case. It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters Resonator operating at 433.42 MHz. This SAW is designed specifically for remote control and wireless security transmitters operating in Europe under ETSI I-ETS 300 220. Absolute Maximum Ratings Rating Value Units Input Power Level 0 dBm DC Voltage 12 VDC Storage Temperature Range -40 to +85 C SM3030-6 Case Operating Temperature Range -40 to +85 C 3.0 X 3.0 Soldering Temperature (10 seconds / 5 cycles maximum) 260 C Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units Center Frequency, +25 C Absolute Frequency f 433.345 433.495 MHz C 2,3,4,5 Tolerance from 433.42 MHz f 75 kHz C Insertion Loss IL 2,5,6 1.2 2.5 dB Q Quality Factor Unloaded Q 8400 U 5,6,7 Q 50 Loaded Q 1000 L T Temperature Stability Turnover Temperature 10 25 35 C O f f Turnover Frequency 6,7,8 O C 2 Frequency Temperature Coefficient FTC 0.032 ppm/C f Frequency Aging Absolute Value during the First Year 1 10 ppm/yr A DC Insulation Resistance between Any Two Terminals 5 1.0 M R RF Equivalent RLC Model Motional Resistance 14.0 M L Motional Inductance 5, 7, 9 43.4 H M C Motional Capacitance 3.3 fF M C Shunt Static Capacitance 5, 6, 9 3.7 pF O Test Fixture Shunt Inductance L 2, 7 36.5 nH TEST Lid Symbolization (in addition to Lot and/or Date Codes) 684 // YWWS Standard Reel Quantity Reel Size 7 Inch 500 Pieces/Reel 10 Reel Size 13 Inch 3000 Pieces/Reel CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. Frequency aging is the change in f with time and is specified at +65 C or subject to change without notice. C 7. Derived mathematically from one or more of the following directly less. Aging may exceed the specification for prolonged temperatures measured parameters: f , IL, 3 dB bandwidth, f versus T , and C . above +65 C. Typically, aging is greatest the first year after manufacture, C C C O decreasing in subsequent 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, C frequency, f . The nominal frequency at any case temperature, T , may be O C IL , with the resonator in the 50 test system (VSWR 1.2:1). The 2 MIN calculated from: f = f 1 - FTC (T -T ) . Typically oscillator T is O O C O shunt inductance, L , is tuned for parallel resonance with C at f . TEST O C approximately equal to the specified resonator T . O Typically, f or f is approximately equal to the OSCILLATOR TRANSMITTER 9. This equivalent RLC model approximates resonator performance near the resonator f . C resonant frequency and is provided for reference only. The capacitance C O 3. One or more of the following United States patents apply: 4,454,488 and is the static (nonmotional) capacitance between the two terminals 4,616,197. measured at low frequency (10 MHz) with a capacitance meter. The 4. Typically, equipment utilizing this device requires emissions testing and measurement includes parasitic capacitance withNC pads unconnected. government approval, which is the responsibility of the equipment Case parasitic capacitance is approximately 0.05 pF. Transducer parallel manufacturer. capacitance can by calculated as: C C -0.05pF. P O 5. Unless noted otherwise, case temperature T = +25 2 C. C 10. Tape and Reel Standard Per ANSI / EIA 481. 6. The design, manufacturing process, and specifications of this device are 2010-2014 by Murata Electronics N.A., Inc. RO3112E (R) 4/14/14 Page 1 of 2 www.murata.comTemperature Characteristics Electrical Connections Pin Connection The curve shown accounts for resonator contribution only and does not The SAW resonator is bidirectional and 1NC include external LC component temperature effects. may be installed with either orientation. 2Terminal The two terminals are interchangeable f = f , T = T C O C O 3NC and unnumbered. The callout NC 0 0 4NC indicates no internal connection. The NC -50 -50 pads assist with mechanical positioning 5Terminal and stability. External grounding of the NC 6NC -100 -100 pads is recommended to help reduce -150 -150 parasitic capacitance in the circuit. -200 BC GH -200 -80 -60 -40 -20 0 +20 +40 +60 +80 1 6 6 1 T = T - T ( C ) C O A 2 5 EF 5 2 I Characterization Test Circuit Inductor L is tuned to resonate with the static capacitance, C , at F . TEST O C 3 4 4 3 D J 6 1 From 50 5 To 50 2 Network Analyzer Network Analyzer 4 3 Power Dissipation Test P INCIDENT Low-Loss 50 Source 2 3 Matching 1 at F C Network to Case and Typical PCB Land Dimensions 6 5 4 P REFLECTED 50 mm Inches Ref Min Nom Max Min Nom Max A 2.87 3.00 3.13 0.113 0.118 0.123 Example Application Circuits B 2.87 3.00 3.13 0.113 0.118 0.123 Typical Low-Power Transmitter Application C 1.12 1.25 1.38 0.044 0.049 0.054 200k D 0.77 0.90 1.03 0.030 0.035 0.040 +9VDC Modulation Input C1 E 2.67 2.80 2.93 0.105 0.110 0.115 47 L1 F 1.47 1.60 1.73 0.058 0.063 0.068 (Antenna) G 0.72 0.85 0.98 0.028 0.033 0.038 2 3 1 H 1.37 1.50 1.63 0.054 0.059 0.064 I 0.47 0.60 0.73 0.019 0.024 0.029 6 5 4 C2 J 1.17 1.30 1.43 0.046 0.051 0.056 ROXXXXC Bottom View K 3.20 0.126 RF Bypass L 1.70 0.067 470 M 1.05 0.041 Typical Local Oscillator Application Output N 0.81 0.032 O 0.38 0.015 200k +VDC C1 +VDC L1 Equivalent RLC Model 0.05 pF* 2 3 1 + 6 5 4 C = C 0.05 pF p o C p C2 *Case Parasitics ROXXXXC Bottom View RF Bypass Rm Lm Cm 2010-2014 by Murata Electronics N.A., Inc. www.murata.com RO3112E (R) 4/14/14 Page 2 of 2 (ppm) (f-f f ) o / o