Title:
VARIABLE-FREQUENCY OSCILLATOR
Document Type and Number:
Japanese Patent JP2009017556
Kind Code:
A
Abstract:
To provide a frequency-variable oscillator that varies, even if the frequency of input signal is varied, the frequency of an oscillation signal, according to the varied frequency of the input signal.
A frequency-variable oscillator includes a voltage-to-current converter circuit converting the voltage level of an input signal into a current level within a predetermined range; and an oscillator circuit, varying the frequency according to the current level from the voltage-to-current converter circuit and oscillating with the frequency varied.
Inventors:
JANG YU JIN
MIN BYOUNG OWN
KONG SEUNG KON
SHIN SANG CHEOL
GONG JUNG CHUL
MIN BYOUNG OWN
KONG SEUNG KON
SHIN SANG CHEOL
GONG JUNG CHUL
Application Number:
JP2008173400A
Publication Date:
January 22, 2009
Filing Date:
July 02, 2008
Export Citation:
Assignee:
SAMSUNG ELECTRO MECH
International Classes:
H03K3/0231; H03K4/06; H03K5/00
Domestic Patent References:
| JPH0685625A | 1994-03-25 | |||
| JPH0865111A | 1996-03-08 | |||
| JPS61224514A | 1986-10-06 | |||
| JP2002043898A | 2002-02-08 | |||
| JPH0661801A | 1994-03-04 | |||
| JP2004080550A | 2004-03-11 | |||
| JP2006121250A | 2006-05-11 | |||
| JP2005130092A | 2005-05-19 | |||
| JPH11220872A | 1999-08-10 | |||
| JPH01277027A | 1989-11-07 | |||
| JP2000059181A | 2000-02-25 |
Attorney, Agent or Firm:
Akihiro Ryuka
Kazutoshi Iiyama
Akashi Hideya
Higashiyama Tadayoshi
Kazutoshi Iiyama
Akashi Hideya
Higashiyama Tadayoshi