Frequency tunable oscillator

Details Frequency tunable oscillator Frequency tunable oscillator

2006-03-27

2008-12-09

Mis, David (Department: 2817)

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

C331S096000

Reexamination Certificate

active

07463104

ABSTRACT:
There is provided a frequency tunable oscillator that has less degradation of oscillation characteristics due to a parasitic reactance component or the like without mounting therein a lumped constant element such as a variable capacitance element. The frequency tunable oscillator includes a negative resistance element and a resonator which together form a feedback circuit. The frequency tunable oscillator further includes in at least a part of the feedback circuit, a distributed constant material so configured as to have a distributed constant such that an electrical length in the resonator is modulated, and a modification means for externally modifying the distributed constant material, wherein the oscillation frequency can be varied through the external modification by the modification means.

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