Title:
【発明の名称】周波数―電圧変換回路、遅延量判定回路、周波数―電圧変換回路を備えたシステム、周波数―電圧変換回路の入出力特性を調整する方法、および周波数―電圧変換回路の入出力特性を自動調整する装置
Document Type and Number:
Japanese Patent JP3323207
Kind Code:
B2
Abstract:
A frequency-voltage conversion circuit 21 receives a clock CLK as an input and provides a voltage IVdd in accordance with the frequency of the clock as an output. The input and output characteristic of the frequency-voltage conversion circuit 21 is adjusted to substantially match a given input and output characteristic.
Inventors:
Akira Yamamoto
Shiro Sakiyama
Hiroyuki Nakahira
Dai Fukuda
Akira Matsuzawa
Shiro Michimasa
Shinichi Yamamoto
Shiro Sakiyama
Hiroyuki Nakahira
Dai Fukuda
Akira Matsuzawa
Shiro Michimasa
Shinichi Yamamoto
Application Number:
JP51549598A
Publication Date:
September 09, 2002
Filing Date:
September 24, 1997
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G01R23/06; G06F1/04; G06F1/32; (IPC1-7): G06F1/08; G06F1/04
Domestic Patent References:
| JP58171842A | ||||
| JP58195218A | ||||
| JP3241403A | ||||
| JP76156A | ||||
| JP6019222A | ||||
| JP85705A | ||||
| JP9288527A | ||||
| JP9270690A | ||||
| JP5158587A | ||||
| JP6010318A | ||||
| JP54148430A | ||||
| JP10209826A |
Attorney, Agent or Firm:
Shusaku Yamamoto