Radio frequency signal generator

Details Radio frequency signal generator Radio frequency signal generator

1986-01-27

1987-08-04

LaRoche, Eugene R.

Oscillators

Beat frequency

Plural beating

331 40, H03B 2102

Patent

active

046849025

ABSTRACT:
A radio frequency (RF) signal generator is disclosed which generates a baseband signal at a fixed center frequency and having required modulation characteristics. The baseband signal is translated to a desired output frequency signal by mixing with a step-variable local oscillator signal. Fast frequency modulation is achieved by using a fast tuning oscillator as the source of the baseband signal. The output frequency is generated while preserving all modulation characteristics of the baseband signal and to thereby provide high performance modulation having characteristics at a fixed frequency.

REFERENCES:
patent: 2973483 (1961-02-01), Stone, Jr.
patent: 4003003 (1977-01-01), Haeberlin

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