Title:
LOCAL OSCILLATION DEVICE AND ARRAY ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/150528
Kind Code:
A1
Abstract:
Conventionally, local oscillation devices operate all of a plurality of local oscillators regardless of a change in the requested signal-to-noise ratio according to conditions around a communication device; hence, when the requested signal-to-noise ratio is low, operation occurs at an excessive level of performance while maintaining a high state of power consumption. This local oscillation device is equipped with: a first local oscillator for outputting a first local oscillation wave which is synchronized with a reference signal, and switching the power supply on and off according to a control signal; a second local oscillator for outputting a second local oscillation wave which is synchronized with the reference signal, and switching the power supply on and off according to the control signal; and a path-switching circuit which is connected to the first and second local oscillators, and switches the paths of the first and second local oscillation waves according to the control signal or a signal which is synchronized with the control signal.
Inventors:
MIZUTANI HIROYUKI (JP)
NAKAMIZO HIDEYUKI (JP)
TAJIMA KENICHI (JP)
NAKAMIZO HIDEYUKI (JP)
TAJIMA KENICHI (JP)
Application Number:
PCT/JP2017/005822
Publication Date:
August 23, 2018
Filing Date:
February 17, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04B7/06; H04B1/04; H04B7/08
Foreign References:
| US20080132192A1 | 2008-06-05 | |||
| JP2000341188A | 2000-12-08 | |||
| JP5377750B2 | 2013-12-25 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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