Antenna circuit of the negative impedance type

Details Antenna circuit of the negative impedance type Antenna circuit of the negative impedance type

1981-03-13

1984-04-10

Lieberman, Eli

Communications: radio wave antennas

Antennas

Having electric space discharge device

455274, 455291, 343788, H01Q 126, H01Q 706

Patent

active

044424345

ABSTRACT:
An aerial circuit comprises a first antenna in connection with an impedance, which is a "negative impedance", whereby a broad frequency range is achieved. The "negative impedance" is based on a second antenna similar to the first antenna, whereby the resulting aerial impedance is zero for all frequencies. A corresponding ferrite or loop aerial system is advantageously usable as a stationary system instead of an antenna of the long wire type, and the signal to noise ratio is better than with conventional ferrite antennas.

REFERENCES:
patent: 3633109 (1972-01-01), Schulz
patent: 3721989 (1973-03-01), Christensen
patent: 3953799 (1976-04-01), Albee
patent: 4314378 (1982-02-01), Fowler

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