Signal synthesizer circuit, signal generator device, and signal synthesis method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12242299
APP PUB NO 20240143019A1
SERIAL NO

18052061

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A signal synthesizer circuit includes a clock source, a direct digital synthesizer (DDS) circuit, signal paths, and an output. The clock source generates or receives a clock signal having a predefined frequency. The DDS circuit generates a DDS signal. A first signal path is connected to the DDS circuit to receive the DDS signal and includes a multiplier circuit that multiplies a frequency of the DDS signal by a multiplication factor, obtaining a frequency-multiplied DDS signal. A second signal path is connected to the clock source to receive the clock signal and includes a mixer circuit that receives the clock signal and the frequency-multiplied DDS signal. The mixer circuit mixes the clock signal with the frequency-multiplied DDS signal, obtaining a mixed DDS signal. A frequency of the mixed DDS signal corresponds to the sum of frequencies of the clock signal and the frequency-multiplied DDS signal.

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Patent Owner(s)

  • ROHDE & SCHWARZ GMBH & CO. KG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Seeger, Julius Munich, DE 13 2

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