VCOs (Voltage Controlled Oscillators)
Voltage Controlled Oscillators (VOC) are essentially a special type of oscillator whose operating frequency is no longer fixed, but is dynamically controlled by an external input voltage signal. Refers to the output frequency and the input control voltage corresponding to the oscillating circuit (VCO), the frequency is a function of the input signal voltage of the oscillator VCO, the working state of the oscillator or the parameters of the oscillation circuit are controlled by the input control voltage, it can form a voltage controlled oscillator. Its core characteristic is that its output frequency can be adjusted with the change of input voltage. This tunability allows VCO to play a key role in a variety of electronic systems.
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VCOs (Voltage Controlled Oscillators): The main function of VCO is frequency modulation, which adjusts the frequency of the output signal in real time by changing the input voltage. This feature is particularly important in wireless communication systems, where VCO can be used as part of a frequency synthesizer to generate a variety of required carrier frequencies to achieve signal modulation and demodulation. In addition, VCO is widely used in phase-locked loop (PLL) circuits for frequency locking and tracking, ensuring signal stability and accuracy. In the field of mobile communications, VCO is a key component of the radio frequency circuit of the mobile phone, responsible for generating accurate transmit and receive frequencies, ensuring the quality of calls and the accuracy of data transmission. In radar system, VCO is used to generate scanning frequency to realize target location and tracking. In test and measurement equipment, VCO acts as a signal source, providing a signal of adjustable frequency for calibration and testing the performance of other electronic equipment. In addition, VCO also plays an indispensable role in many fields such as satellite communications, broadcasting, navigation systems and so on.
