MIC Combiner using unmatched diodes

Details MIC Combiner using unmatched diodes MIC Combiner using unmatched diodes

1980-04-09

1982-04-06

Grimm, Siegfried H.

Oscillators

Plural oscillators

Parallel connected

331 99, 331107P, 331107SL, 333128, 333219, 333247, H03B 714, H03B 914, H01P 708

Patent

active

043238556

ABSTRACT:
In a microstrip circuit having dual diode driven, independently oscillati half-wave open ring resonating sections, partially coupled quarter-wave ring sections are provided to permit matching and tuning of diodes having dissimilar negative impedances. The quarter wave ring sections are combined with appropriate line sections to accommodate the negative impedance devices. The diode circuits are connected to the low impedance points of the oscillating ring sections by the quarter-wave ring sections. Appropriate terminations to ground are provided to suppress possible oscillations in a bias circuit. Second and third harmonic traps are provided for use with TRAPATT diodes. Ground lines are provided to reduce circuit unbalance in the event of drastic power changes occuring on either side of the circuit which may other wise result in odd mode operation. Slots are provided to suppress an undesired transverse resonance mode in the line sections accommodating the negative impedance devices.

REFERENCES:
patent: 3952262 (1976-04-01), Jamison
patent: 4185252 (1980-01-01), Gerlach
patent: 4264881 (1981-04-01), De Ronde

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