Frequency adjustable oscillator and methods of operation

Oscillators – Phase shift type

Reexamination Certificate

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C331S1070DP

Reexamination Certificate

active

06882234

ABSTRACT:
An oscillator (100, 200) and a method of adjusting the frequency of oscillation of the oscillator (100, 200) are disclosed for generating a signal with an adjustable frequency in a frequency range from 1 GHZ to 200 GHz. The oscillator (100, 200) includes a loop circuit. The loop circuit has an amplifier (101), a delay element or filter (103), a phase shifter (102), a device for adjusting the phase shifter (102), and a coupler (104) to provide an output signal. The adjusting device is coupled to the phase shifter (102).

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patent: WO 9014709 (1990-11-01), None

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