Title:
DISCRETE TIME DIRECT SAMPLING CIRCUIT AND RECEIVER
Document Type and Number:
WIPO Patent Application WO/2007/102459
Kind Code:
A1
Abstract:
A direct sampling circuit and a receiver which carry out discrete time analog
processing with a high degree of design freedom and are provided with a filter
property which is achievable to comply with the receipt of a broad band signal.
A plurality of discrete time analog processing circuits (101) are connected
in parallel with each other, a gm value and a capacitance of a capacitor in each
circuit system are set independently based on a prescribed condition, and an
output signal obtained from each circuit system is synthesized by means of a buffer
capacitor (102), so that an equivalently high-dimensional IIR filter can be
put into practice.
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Inventors:
HOSOKAWA YOSHIFUMI
ABE KATSUAKI
SAITO NORIAKI
ARAKI KIYOMICHI
MORISHITA YOHEI
ABE KATSUAKI
SAITO NORIAKI
ARAKI KIYOMICHI
MORISHITA YOHEI
Application Number:
PCT/JP2007/054169
Publication Date:
September 13, 2007
Filing Date:
March 05, 2007
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
TOKYO INST TECH (JP)
HOSOKAWA YOSHIFUMI
ABE KATSUAKI
SAITO NORIAKI
ARAKI KIYOMICHI
MORISHITA YOHEI
TOKYO INST TECH (JP)
HOSOKAWA YOSHIFUMI
ABE KATSUAKI
SAITO NORIAKI
ARAKI KIYOMICHI
MORISHITA YOHEI
International Classes:
H03H19/00; H04B1/30
Other References:
MUHAMMAD K. ET AL.: "A Discrete-Time Bluetooth Receiver in a 0.13mum Digital CMOS Process", 2004 IEEE INTERNATIONAL SOLID-STATE CIRCUITS CONFERENCE, February 2004 (2004-02-01), pages PAPER 15.1, XP010722256
Attorney, Agent or Firm:
WASHIDA, Kimihito (Shintoshicenter Bldg. 24-1, Tsurumaki 1-chom, Tama-shi Tokyo 34, JP)
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