RO3101E-1 Ideal for European 433.92 MHz Transmitters Very Low Series Resistance 433.92 MHz Quartz Stability Pb Complies with Directive 2002/95/EC (RoHS) SAW The RO3101E-1 is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount, ceramic case. Resonator It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters operating at 433.92 MHz. This SAW is designed specifically for remote-control and wireless security transmitters operating in Europe under ETSI I-ETS 300 220 and in Germany under FTZ 17 TR 2100. Absolute Maximum Ratings Rating Value Units Input Power Level 0 dBm DC voltage 12 VDC Storage Temperature Range -40 to +125 C Operating Temperature Range -40 to +105 C SM3030-6 Case Soldering Temperature (10 seconds / 5 cycles max.) 260 C 3.0 X 3.0 Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units Center Frequency (+25 C) Absolute Frequency f 433.870 433.970 MHz C 2,3,4,5 Tolerance from 433.920 MHz f 50 kHz C Insertion Loss IL 2,5,6 1.4 2.2 dB Q Quality Factor Unloaded Q 8280 U 5,6,7 Q 50 Loaded Q 1228 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 17.5 M L Motional Inductance 5, 7, 9 53.5 H M C Motional Capacitance 2.5 fF M C Shunt Static Capacitance 5, 6, 9 2.5 pF O Test Fixture Shunt Inductance L 2, 7 53.2 nH TEST Lid Symbolization (in addition to Lot and/or Date Codes) 750 // 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 +65C 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 +65C. 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 = +25C2C. C 10. Tape and Reel Standard Per ANSI / EIA 481. 6. The design, manufacturing process, and specifications of this device are www.RFM.com E-mail: info rfm.com Page 1 of 2 2008 by RF Monolithics, Inc. RO3101E-1 - 3/26/08Electrical Connections Power Test Pin Connection The SAW resonator is bidirectional and may be installed with either orientation. 1NC The two terminals are interchangeable P 2 Terminal INCIDENT Low-Loss and unnumbered. The callout NC 50 Source 2 3 3NC Matching 1 indicates no internal connection. The NC at F C 4NC Network to pads assist with mechanical positioning 6 5 4 P REFLECTED and stability. External grounding of the 50 5 Terminal NC pads is recommended to help reduce 6NC parasitic capacitance in the circuit. BC GH Typical Application Circuits 1 6 6 1 Typical Low-Power Transmitter Application 200k +9VDC A 2 5 EF 5 2 I Modulation Input C1 47 L1 (Antenna) 3 4 4 3 2 3 1 D J 6 5 4 C2 ROXXXXC Bottom View RF Bypass 470 Case Dimensions Typical Local Oscillator Application Output mm Inches Dimension 200k +VDC C1 Min Nom Max Min Nom Max +VDC L1 A 2.87 3.0 3.13 0.113 0.118 0.123 B 2.87 3.0 3.13 0.113 0.118 0.123 2 3 1 C 1.12 1.25 1.38 0.044 0.049 0.054 D 0.77 0.90 1.03 0.030 0.035 0.040 6 5 4 C2 E 2.67 2.80 2.93 0.105 0.110 0.115 ROXXXXC Bottom View F 1.47 1.6 1.73 0.058 0.063 0.068 RF Bypass G 0.72 0.85 0.98 0.028 0.033 0.038 H 1.37 1.5 1.63 0.054 0.059 0.064 I 0.47 0.60 0.73 0.019 0.024 0.029 Equivalent LC Model J 1.17 1.30 1.43 0.046 0.051 0.056 0.05 pF* Typical Test Circuit The test circuit inductor, L , is tuned to resonate with the static + C = C TEST p 0.05 pF o capacitance, C , at F . C p O C *Case Parasitics Rm Lm Cm Electrical Test Temperature Characteristics The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions. f = f , T = T C O C O 0 0 6 1 -50 -50 From 50 To 50 5 2 Network Analyzer Network Analyzer -100 -100 4 3 -150 -150 -200 -200 -80 -60 -40 -20 0 +20 +40 +60 +80 T = T - T ( C ) C O www.RFM.com E-mail: info rfm.com Page 2 of 2 2008 by RF Monolithics, Inc. RO3101E-1 - 3/26/08 (ppm) f (f-f ) / o o