Modulator for generating a frequency-shift-keyed RF signal

To generate a frequency-shift-keyed RF signal (F1 modulation) with a narrow spectrum, a numerically controlled oscillator is controlled by a bivalent modulation signal with the intermediate connection of a counter and a read-only memory. When the modulation signal is shift-keyed, the counter runs up...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PAULOEHRL,ERNST, EBIGT,WILFRIED, LOGEMANN,JOERG
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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