The VTO-10250-44 from NI Microwave Components is a low noise fundamental VCO that operates from 8 to 12.5 GHz. It can be used as a local oscillator or transmitter oscillator for high-frequency communications and radar systems. It has an output power of 10 dBm with a tuning voltage range of 0.5 to 20 V and tuning sensitivity of 2:1. The VCO has a low phase noise of -90 dBc/Hz @ 100 kHz offset. It is available in three package options TO-8, Surface mount and Connectorized.