Oscillator using microstrip line having minimized line width and

Details Oscillator using microstrip line having minimized line width and Oscillator using microstrip line having minimized line width and

1991-01-28

1993-02-16

Grimm, Siegfried H.

Oscillators

With distributed parameter resonator

Parallel wire type

331115, 331117D, 331177V, 332130, 332136, H03B 518, H03B 714, H03C 322

Patent

active

051874512

ABSTRACT:
For minimization of a microstrip line and improvement of a Q value, the line length and width of the microstrip line are minimized, and the high frequency trend of the resulting resonant frequency is lowered and corrected to the resonant frequency near the oscillation frequency of an oscillator by connecting an additional capacitance component to the microstrip line. Thereby, the minimization of the microstrip line or the minimization of an oscillation circuit and characteristics equivalent to a dielectric coaxial resonator may be readily obtained. The strip line and the additional capacitance component are made as one piece circuit elements. The microstrip line is connected with a stub such that the stub may be trimmed to adjust the oscillation frequency. A cascode connecting amplifier which lessens the oscillation frequency fluctuation due to load variations is used.

REFERENCES:
patent: 4694262 (1987-09-01), Inoue et al.

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