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    • Crystals, Oscillators, ResonatorsCrystals, Oscillators, Resonators Crystals, oscillators and resonators each have their own characteristics and different application scenarios. In actual design, frequency stability, power consumption, cost and environmental factors need to be considered comprehensively. 1. What are Crystals? Definition: Crystals are typical passive devices (Passive Device), the main component of which is quartz (SiO₂), which use the piezoelectric effect to realize the mutual conversion of mechanical vibration and electrical signals. ‌Working principle‌: When an external voltage is applied, the crystal generates a resonant signal of a fixed frequency through mechanical vibration, but it does not have the driving ability itself and needs to rely on external circuits (such as amplifiers and load capacitors) to maintain oscillation. ‌Application scenario‌: Commonly used in clock circuits (such as microcontrollers and communication equipment) to provide reference frequency, and the nominal frequency range covers kHz to MHz (such as 32.768kHz or 24MHz). 2. What are Oscillators? Definition: Oscillators are active devices (Active Device), which integrate internal amplifier circuits, feedback resistors and voltage stabilization components, and can independently generate stable frequency signals. ‌Core features‌: √Directly output clock signals (such as sine waves or square waves) without external driving circuits‌. √Pins usually include power supply (VCC), ground (GND), output (OUT), etc.,…
      • Resonators
      • See allCrystals, Oscillators, Resonators Crystals, oscillators and resonators each have their own characteristics and different application scenarios. In actual design, frequency stability, power consumption, cost and environmental factors need to be considered comprehensively. 1. What are Crystals? Definition: Crystals are typical passive devices (Passive Device), the main component of which is quartz (SiO₂), which use the piezoelectric effect to realize the mutual conversion of mechanical vibration and electrical signals. ‌Working principle‌: When an external voltage is applied, the crystal generates a resonant signal of a fixed frequency through mechanical vibration, but it does not have the driving ability itself and needs to rely on external circuits (such as amplifiers and load capacitors) to maintain oscillation. ‌Application scenario‌: Commonly used in clock circuits (such as microcontrollers and communication equipment) to provide reference frequency, and the nominal frequency range covers kHz to MHz (such as 32.768kHz or 24MHz). 2. What are Oscillators? Definition: Oscillators are active devices (Active Device), which integrate internal amplifier circuits, feedback resistors and voltage stabilization components, and can independently generate stable frequency signals. ‌Core features‌: √Directly output clock signals (such as sine waves or square waves) without external driving circuits‌. √Pins usually include power supply (VCC), ground (GND), output (OUT), etc.,…
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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

    How do you safely use a heat gun for rework?

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

    Everything You Need to Know about Printed Circuit Board Assembly

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

    Automated Surface Mount PCB Assembly: Machines, Tools, and Techniques

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

    What Are the Precautions for PCBA Packaging?

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    By highqualitypcbPublished On: 2025-04-27Categories: blog, PCB Assembly

    Understanding PCBA: The Heart of Modern Electronics

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