| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
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RFMi |
RESONATOR,SM,315.000 MHZ |
0 |
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RFMi |
RESONATOR,SM,345.000 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,303.825 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,315.000 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,433.920 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,868.350 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,434.150 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,315.000 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,916.500 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,916.500 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,418.000 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,315.500 MHZ |
0 |
|
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RFMi |
RESONATOR,SM,916.500 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,318.000 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,315.050 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,315.050 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,868.350 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,433.920 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,345.000 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,868.350 MHZ |
0 |
|
Resonators are passive electronic components that generate stable frequencies by utilizing the mechanical resonance of piezoelectric materials (e.g., quartz, ceramic) or surface acoustic waves (SAW). They are critical for timing, frequency control, and signal processing in modern electronics. Oscillators integrate resonators with active circuitry to produce periodic signals, while crystals refer to raw piezoelectric elements. These components ensure synchronization and reliability in communication systems, industrial equipment, and consumer devices.
| Type | Function Features | Applications |
|---|---|---|
| Quartz Crystal Resonators | High Q-factor, excellent temperature stability | Microprocessors, GPS modules |
| Ceramic Resonators | Lower cost, moderate stability | Remote controls, IoT sensors |
| SAW Resonators | High-frequency operation (GHz range), compact size | 5G base stations, automotive radar |
| MEMS Resonators | Miniaturized, temperature-compensated | Wearables, medical implants |
A typical resonator includes: - Piezoelectric Material: Quartz (for crystal resonators) or ceramic (for ceramic resonators) that vibrates under electric fields. - Electrodes: Metal coatings (e.g., silver, gold) to apply voltage and detect vibrations. - Encapsulation: Metal or ceramic housing to protect against environmental factors. - SAW Resonators: Feature interdigital transducers (IDTs) on piezoelectric substrates (e.g., lithium niobate) to generate surface acoustic waves.
| Parameter | Description & Importance |
|---|---|
| Frequency Tolerance | Deviation from nominal frequency ( ppm), critical for system synchronization |
| Q-Factor | Quality factor indicating energy loss; higher Q ensures better frequency selectivity |
| Temperature Stability | Frequency drift per C (e.g., 30 ppm/ C), vital for harsh environments |
| Equivalent Series Resistance (ESR) | Affects oscillator startup time and signal purity |
| Load Capacitance | Required for tuning in oscillator circuits |
| Manufacturer | Representative Products |
|---|---|
| Murata Manufacturing | CSTCE Series Ceramic Resonators |
| TDK Corporation | FK1610 Series MEMS Oscillators |
| Epson Electronics | SG-8003 Series Crystal Oscillators |
| Sitime Corporation | SIM3-Series Automotive MEMS Resonators |
| Kyocera | DF23SA Series SAW Filters |
Consider the following factors when choosing resonators: - Frequency Requirements: Match tolerance and stability to application needs. - Environmental Conditions: High-temperature stability for automotive or industrial use. - Size Constraints: MEMS resonators for miniaturized designs. - Cost vs. Performance: Ceramic resonators for budget-sensitive projects with relaxed stability needs. - Integration: Ensure compatibility with oscillator circuit design (e.g., load capacitance).
Future developments include: - Micromachining: MEMS resonators achieving higher stability and shock resistance. - Higher Frequencies: Demand for sub-6GHz and mmWave SAW resonators in 5G. - Low-Power Solutions: Optimization for IoT and wearable devices. - AI Integration: Self-adjusting resonators using machine learning for dynamic environments. - Material Innovation: Use of aluminum nitride (AlN) and gallium nitride (GaN) for improved thermal performance.