Monitoring device

The invention discloses a monitoring device, which comprises a first-stage low noise amplifier, a radio frequency filter, a second-stage low noise amplifier, a radio frequency adjustable attenuator, a radio frequency amplifier, a frequency mixer, a first-stage intermediate-frequency filter, an inter...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG YAN, WU JIAN, SHEN YUCHUAN
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
Online-Zugang:	Volltext bestellen
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