Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1981-10-13
1984-05-01
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
364451, G01S 144
Patent
active
044464649
ABSTRACT:
Airborne Tacan equipment includes a receiver to receive Tacan signals and to provide an output signal having modulation components containing bearing information. The receiver includes a logarithmic amplifier to preserve the amplitude modulation of the modulation components and to enable operation on input signals having large amplitude variations. An arrangement is coupled to the receiver to at least partially compensate for the non-linearity of the logarithmic amplifier prior to extraction of the bearing information.
REFERENCES:
patent: 3940763 (1976-02-01), Paradise
Fockler William
Jezo Mairice L. J.
LeGrand Jesse S.
Blum Theodore M.
Hill Alfred C.
International Telephone and Telegraph Corporation
O'Halloran John T.
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