HIGH FREQUENCY SIGNAL SWITCHING CIRCUIT

HIGH FREQUENCY SIGNAL SWITCHING CIRCUIT

PURPOSE:To change over a switch in an unused state without exerting any influence upon a signal path in an used state, by composing a switching circuit of two switches and one three-terminal circulator. CONSTITUTION:The 1st signal 11 is supplied to a terminal 331 of the three- terminal circulator 33...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IWATA KEIJI, YOSHINO FUJIO, KINOSHITA KAZUOKI, TAKAHASHI NOBUO, ONO KOUICHI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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Beschreibung
Zusammenfassung:PURPOSE:To change over a switch in an unused state without exerting any influence upon a signal path in an used state, by composing a switching circuit of two switches and one three-terminal circulator. CONSTITUTION:The 1st signal 11 is supplied to a terminal 331 of the three- terminal circulator 33 through a switch 31. The 2nd signal 12 is supplied to a terminal 332 of the circulator 33 through a switch 32. Then, the switches 31 and 32 are turned on and off to lead the 1st or the 2nd signal out from a terminal 333 of the circulator 33. Thus, the switching circuit is formed to change over a switch in an unused state without exerting any influence upon a communication path in an used state.