Serrodyne phase modulator having ramp generated by combining two

Details Serrodyne phase modulator having ramp generated by combining two Serrodyne phase modulator having ramp generated by combining two

1992-12-18

1994-08-16

Grimm, Siegfried H.

Modulators

Phase modulator

331 48, 307228, 328185, H03C 300, H03K 408

Patent

active

053390555

ABSTRACT:
A frequency phase modulator which generates a phase modulator controlled slope voltage waveform. The controlled slope voltage waveform is controlled by coupling a first fixed frequency oscillator with a second variable frequency voltage controlled oscillator. The period of the ramp waveform (slope) is equal to the difference between the two frequencies. The phases of the two oscillators are compared and integrated to produce the phase modulator ramp waveform.

REFERENCES:
patent: 3187262 (1965-06-01), Crane
patent: 4017801 (1977-04-01), Riedel
patent: 5018859 (1991-05-01), Chang et al.
patent: 5054923 (1991-10-01), Okada

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