Waveform generation method, radar device, and oscillator for...

Communications: directive radio wave systems and devices (e.g. – With particular circuit – For frequency modulation

Reexamination Certificate

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Details

C342S201000, C342S202000, C342S203000, C342S175000, C342S100000

Reexamination Certificate

active

07548195

ABSTRACT:
It is possible to generate D/A conversion voltage in which an error generated by numeric irregularities of a D/A conversion element such as resistor constituting a D/A converter11is corrected. A waveform generation method characterized in that input data into a D/A converter11are provided to the D/A converter in order at a timing at which a voltage of a desired waveform which has D/A conversion data indicating a conversion amount of the input data obtained by varying the input data by a minimum conversion unit or a unit obtained by multiplying the minimum conversion unit by an integer, and which varies with time series, becomes substantially equal to a D/A-converted voltage, whereby the D/A-converted voltage is generated in accordance with the desired waveform.

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