Transmitter comprising an eletronic arrangement for generating a modulated carrier signal

An electronic arrangement for generating a modulated carrier signal in a transmitter includes a sigma-delta (one-bit) signal converter and a mixer. The sigma-delta converter includes, in a closed signal loop, an adder, a low pass filter, and a pulse shaper driven with a specific sample rate. The mix...

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Bibliographische Detailangaben
Hauptverfasser:	VOORMAN, JOHANNES O
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An electronic arrangement for generating a modulated carrier signal in a transmitter includes a sigma-delta (one-bit) signal converter and a mixer. The sigma-delta converter includes, in a closed signal loop, an adder, a low pass filter, and a pulse shaper driven with a specific sample rate. The mixer is driven with a carrier frequency fc and has an input coupled with an output of the pulse shaper. The carrier frequency fc is equal to or an integer multiple of the half sample rate.