Digital-to-bandpass converter

Details Digital-to-bandpass converter Digital-to-bandpass converter

1975-05-21

1976-10-19

Ruggiero, Joseph F.

Registers

Transfer mechanism

Traveling pawl

325 42, 328167, 340347DA, G06J 100, H03K 1302

Patent

active

039872807

ABSTRACT:
A conversion system is disclosed for generating a desired bandpass waveform rom digital samples of a lower frequency, bandlimited original waveform. The system utilizes a single digital to analog converter and an impulse driver to generate a weighted pulse train that contains frequency shifted replicas of the primary spectra of the original waveform. Bandpass filtering rejects all but selected replica spectra for reconstitution.

REFERENCES:
patent: 3177349 (1965-04-01), Zaborsky et al.
patent: 3521170 (1970-07-01), Leuthold et al.
patent: 3573623 (1971-04-01), Bannon et al.
patent: 3639848 (1972-02-01), Elliot
patent: 3789199 (1974-01-01), Kotwicki

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