Title:
INTEGRATOR, RESONATOR, AND OVERSAMPLING A/D CONVERTER
Document Type and Number:
WIPO Patent Application WO/2009/133653
Kind Code:
A9
Abstract:
An integrator (10) comprises an operational amplifier (11), a first filter (12) connected to the inverting input terminal of the operational amplifier, and a second filter (13) connected between the inverting input terminal and the output terminal of the operational amplifier. The first filter (12) includes n-pieces of resistive elements (121) connected in series and (n-1)-pieces of capacitive elements (122) each having one end connected to each connection node of the resistive elements and the other end connected to ground. The second filter (13) includes n-pieces of capacitive elements (131) connected in series and (n-1)-pieces of resistive elements (132) each having one end connected to each connection node of the capacitive elements and the other end connected to ground.
Inventors:
DOSHO SHIRO
MORIE TAKASHI
MATSUKAWA KAZUO
MITANI YOSUKE
TAKAYAMA MASAO
MORIE TAKASHI
MATSUKAWA KAZUO
MITANI YOSUKE
TAKAYAMA MASAO
Application Number:
PCT/JP2009/001162
Publication Date:
February 24, 2011
Filing Date:
March 16, 2009
Export Citation:
Assignee:
PANASONIC CORP (JP)
DOSHO SHIRO
MORIE TAKASHI
MATSUKAWA KAZUO
MITANI YOSUKE
TAKAYAMA MASAO
DOSHO SHIRO
MORIE TAKASHI
MATSUKAWA KAZUO
MITANI YOSUKE
TAKAYAMA MASAO
International Classes:
H03M3/02; H03H7/06; H03H11/04
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (JP)
Hiroshi Maeda (JP)
Hiroshi Maeda (JP)
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