Title:
周波数変調回路
Document Type and Number:
Japanese Patent JP4376611
Kind Code:
B2
Abstract:
The frequency modulation circuit includes: a phase shift section for receiving a multiphase clock signal composed of a plurality of clock signals having a predetermined phase difference therebetween and shifting the phase of the multiphase clock signal; a clock selection section for selecting a clock signal constituting the multiphase clock signal output from the phase shift section; and a modulation control section for controlling the phase shift section and the clock selection section so that a clock signal having a frequency different from the frequency of the multiphase clock signal input into the phase shift section is output from the clock selection section.
Inventors:
Takeshi Ebuchi
Takefumi Yoshikawa
Yukio Arima
Takefumi Yoshikawa
Yukio Arima
Application Number:
JP2003422652A
Publication Date:
December 02, 2009
Filing Date:
December 19, 2003
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H03C3/00; H03K7/06; H03L7/093; H04B15/02
Domestic Patent References:
| JP11015550A | ||||
| JP2001345790A | ||||
| JP2002073199A | ||||
| JP2001337735A | ||||
| JP2001202153A | ||||
| JP11145802A | ||||
| JP11143572A |
Foreign References:
| WO2000045246A1 |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Koyama
Hiroshi Takeuchi
Yuji Takeuchi
Katsumi Imae
Tomoo Harada
Hiroshi Koyama
Hiroshi Takeuchi
Yuji Takeuchi
Katsumi Imae
Tomoo Harada