Jingfa's products cover a variety of quartz crystal resonators and crystal oscillators from low frequency to high frequency, including HC-49 S, HC-S SMD, HC-46SSMD, SMD resonators, SMD oscillators and cylindrical series, etc., which can meet the needs of different fields and different application scenarios.
If the external capacitance value of the crystal oscillator is not selected properly, it may have the following effects on the circuit
1.Frequency Stability:A capacitance value that is too small may lead to a decrease in frequency stability and is susceptible to interference from external factors. Excessive capacitance values may cause the frequency to deviate from the nominal value.
2.Vibration Problems:Inappropriate capacitance values may cause the crystal oscillator to fail to vibrate properly or to have difficulty in starting.
3.Increased power consumption:Inappropriate capacitance values can increase the power consumption of the circuit.
Noise interference: Incorrect capacitance values can introduce additional noise or interference that can affect the performance of the circuit. In order to ensure the normal operation of the crystal oscillator and the stability of the circuit, it is recommended to select the appropriate external capacitance value according to the specifications and actual requirements of the crystal oscillator.
Typically, the crystal oscillator will provide a recommended range of capacitance values. When selecting a capacitor, it is also necessary to consider factors such as the quality, temperature characteristics, and stability of the capacitor. If you are unsure about the choice of capacitance value, you can experiment and test, or consult us for advice.
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