Voltage Controlled Oscillators (VCOs) are specialized oscillators that vary their output frequency based on an input control voltage. VCOs are essential in applications like frequency modulation, signal synthesis, and communication systems, providing precise frequency control and modulation capabilities.

Leading manufacturers such as Crystek, Mini-Circuits, and Analog Devices offer a wide range of VCOs. Their products are recognized for their high performance, stability, and low phase noise, catering to demanding application requirements.

When selecting VCOs, considerations such as frequency range, control voltage range, and phase noise are crucial. High-quality VCOs can significantly enhance the performance and reliability of your frequency-sensitive applications.