Miniaturized broadband digital modulation equipment

The utility model relates to the technical field of digital signal modulation, in particular to miniaturized broadband digital modulation equipment, which comprises an FPGA (Field Programmable Gate Array) control circuit, a digital-to-analog converter and a broadband direct quadrature modulator, the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ZOU JINQIANG, WU YONGGANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The utility model relates to the technical field of digital signal modulation, in particular to miniaturized broadband digital modulation equipment, which comprises an FPGA (Field Programmable Gate Array) control circuit, a digital-to-analog converter and a broadband direct quadrature modulator, the input end of the digital-to-analog converter is connected with the FPGA control circuit, and the digital-to-analog converter is used for receiving a digital modulation signal output by the FPGA control circuit and converting the digital modulation signal into a baseband differential analog signal; the first input end of the broadband direct quadrature modulator is connected with the output end of the digital-to-analog converter and is used for receiving the baseband differential analog signal, and the second input end of the broadband direct quadrature modulator is used for receiving an external radio frequency carrier signal and mixing the baseband differential analog signal and the external radio frequency carri