Solid State, Phase-Locked, Tunable UHF Power Oscillator

The design and performance of a solid state UHF tunable oscillator are described. The novel features of this unit are its power output capabilities of at least one-quarter watt in thg 370-510 mc range, and a frequency stability of 1 part in 106. Pertinent transistor parameters in connection with this application are discussed. Phase-locked loop considerations affecting oscillator stability are discussed. Results of tests conducted on a prototype unit indicate that high-power output and excellent frequency stability are possible.