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RO3073E

RO3073E

  • 厂商:

    RFMI(RFMi)

  • 封装:

    SMD-6

  • 描述:

    陶瓷谐振器 ±75kHz 315MHz ±32ppb SMD-6

  • 数据手册
  • 价格&库存
RO3073E 数据手册
RO3073E • • • • • • • Ideal for 315 MHz Automotive-Keyless-Entry Transmitters Very Low Series Resistance Quartz Stability Complies with Directive 2002/95/EC (RoHS) Tape and Reel Standard per ANSI/EIA-481 Moisture Sensitivity Level: 1 AEC-Q200 Qualified 315.0 MHz SAW Resonator The RO3073E 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 local oscillators operating at approximately 315 MHz. This SAW was designed for AM transmitters in automotive-keyless-entry applications operating in the USA under FCC Part 15, in Canada under DoC RSS-210, and in Italy. Absolute Maximum Ratings Rating Value SM3030-6 Case Units Input Power Level 0 dBm DC Voltage 12 VDC Storage Temperature Range -40 to +125 °C Operating Temperature Range -40 to +105 °C 260 °C Soldering Temperature (10 seconds / 5 cycles max.) Characteristic Frequency (+25 °C) Absolute Frequency Tolerance from 315.0 MHz Sym fC Notes 3.0 X 3.0 Minimum 314.925 Typical fC Insertion Loss IL 1.6 Quality Factor 8200 Temperature Stability Frequency Aging Unloaded Q QU 50W Loaded Q QL Turnover Temperature TO Turnover Frequency fO fC Frequency Temperature Coefficient FTC 0.032 Absolute Value during the First Year |fA| ±75 kHz 2.4 dB 25 35 °C 10 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 19.8  Motional Inductance LM 82 µH Motional Capacitance CM 3.1 fF Shunt Static Capacitance CO 4.1 pF 63 nH LTEST Test Fixture Shunt Inductance 704, YWWS Lid Symbolization Standard Reel Quantity Units MHz 1350 10 DC Insulation Resistance between Any Two Terminals RF Equivalent RLC Model Maximum 315.075 Reel Size 7 Inch 500 Pieces / Reel Reel Size 13 Inch 3000 Pieces / Reel CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. The design, manufacturing process, and specifications of this device are subject to change. 2. US or International patents may apply. 3. RoHS compliant from the first date of manufacture. ©2010-2014 by RFM Integrated Device, Inc. RO3073E (R) 12/07/2021 Page 1 of 3 www.rfmi.co Electrical Connections Pin The SAW resonator is bidirectional and may be installed with either orientation. The two terminals are interchangeable and unnumbered. The callout NC indicates no internal connection. The NC pads assist with mechanical positioning and stability. External grounding of the NC pads is recommended to help reduce parasitic capacitance in the circuit. Power Test Connection 1 NC 2 Terminal 3 NC 4 NC 5 Terminal 6 NC 50  Source at F C P INCIDENT Low-Loss Matching Network to 50  P REFLECTED 1 6 2 3 5 4 Typical Application Circuits B C 1 G 6 Typical Low-Power Transmitter Application 1 6 Modulation Input 704 YWWS A 2 H 5 E F 2 5 200k  +9VDC C1 I 47 L1 (Antenna) 4 3 1 3 4 6 D 2 3 5 4 J C2 ROXXXXC Bottom View RF Bypass 470 Typical Local Oscillator Application Case Dimensions Dimension A B C D E F G H I J Min 2.87 2.87 1.12 0.77 2.67 1.47 0.72 1.37 0.47 1.17 Output 200k  mm Nom 3.0 3.0 1.25 0.90 2.80 1.6 0.85 1.5 0.60 1.30 Max 3.13 3.13 1.38 1.03 2.93 1.73 0.98 1.63 0.73 1.43 Min 0.113 0.113 0.044 0.030 0.105 0.058 0.028 0.054 0.019 0.046 Inches Nom 0.118 0.118 0.049 0.035 0.110 0.063 0.033 0.059 0.024 0.051 +VDC Max 0.123 0.123 0.054 0.040 0.115 0.068 0.038 0.064 0.029 0.056 C1 +VDC L1 1 6 2 3 5 4 C2 ROXXXXC Bottom View RF Bypass Equivalent LC Model 0.05 pF* Typical Test Circuit Co = Cp + 0.05 pF Cp *Case Parasitics The test circuit inductor, LTEST, is tuned to resonate with the static capacitance, CO, at FC. Rm Electrical Test Lm Cm Temperature Characteristics The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions. fC = f O , T C = T O 5 2 4 3 To 50  Network Analyzer -50 -50 -100 -100 -150 -150 (f-fo ) / fo (ppm) 1 From 50  Network Analyzer 0 0 6 -200 -80 -60 -40 -20 -200 0 +20 +40 +60 +80 T = T C - T O ( °C ) ©2010-2014 by RFM Integrated Device, Inc. RO3073E (R) 12/07/2021 Page 2 of 3 www.rfmi.co Recommended Reflow Profile 1. Preheating shall be fixed at 150~180ºC for 60~90 seconds. 2. Ascending time to preheating temperature 150ºC shall be 30 seconds min. 3. Heating shall be fixed at 220ºC for 50~80 seconds and at 260ºC +0/-5ºC peak (10 seconds). 4. Time: 5 times maximum. ©2010-2014 by RFM Integrated Device, Inc. RO3073E (R) 12/07/2021 Page 3 of 3 www.rfmi.co
RO3073E 价格&库存

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