The principles of the design and structural and circuitry-engineering solutions of direct digital synthesizers based on the method of the direct digital synthesis of frequencies and signals are proposed. The block… Click to show full abstract
The principles of the design and structural and circuitry-engineering solutions of direct digital synthesizers based on the method of the direct digital synthesis of frequencies and signals are proposed. The block and circuit diagrams of a direct digital synthesizer of complex frequency-modulated signals are shown. The synthesizer allows the synthesis of amplitude-, frequency-, and phase-modulated signals within the frequency range of 0.001–200 MHz.
               
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