Voltage feedback linearizer

Details Voltage feedback linearizer Voltage feedback linearizer

1985-11-12

1997-12-02

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

For frequency modulation

342199, 342128, G01S 1300

Patent

active

056941323

ABSTRACT:
Apparatus for linearizing the sweep frequency output of an FMCW radar employing a voltage controlled oscillator includes means for comparing a series of reference voltages sequentially with the instantaeous oscillator drive voltge, accumulating the individual resultant error voltages throughout successive sweep cycles, sequentially converting the individual accumulated voltages to exponential form and feeding the exponential voltages back into the drive circuit for the VCO.

REFERENCES:
patent: 3872406 (1975-03-01), Grafinger
patent: 4160958 (1979-07-01), Mims et al.
patent: 4336511 (1982-06-01), Stromswold et al.
patent: 4539565 (1985-09-01), Norsworthy
patent: 4593287 (1986-06-01), Nitardy
patent: 4692766 (1987-09-01), Rolfs
patent: 4754277 (1988-06-01), Voyce

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