Microstrip/slotline frequency halver

Details Microstrip/slotline frequency halver Microstrip/slotline frequency halver

1985-09-05

1987-01-13

Gensler, Paul

Wave transmission lines and networks

Frequency multipliers

333 21R, 333238, H01P 120

Patent

active

046367578

ABSTRACT:
A microwave microstrip/slotline frequency-halving circuit configuration is disclosed in which the frequency division is based on the principle of parametric subharmonic generation. The circuit comprises a subharmonic resonator formed partially by the overlap of an open-circuited microstrip line on one side of a dielectric substrate and a short-circuited slotline in the ground-plane on the other side of the substrate. The resonator is completed by a pair of varactor diodes symmetrically placed in holes in the dielectric substrate so as to form connections between the end of the microstrip line and the two sides of the slotline below. An input signal at frequency 2f entering via the microstrip line results in the propagation of a signal at frequency f in the output slotline.

REFERENCES:
patent: 4228411 (1980-10-01), Harrison
patent: 4266208 (1981-05-01), Cornish
patent: 4523163 (1985-06-01), Houdart et al.

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