AD converter and magnetic recording/regenerating apparatus using

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

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Details

341172, 341141, 327 74, H03M 136, H03M 114

Patent

active

057450668

ABSTRACT:
The present invention provides an AD converter which operates at high speed with low power consumption and a magnetic recording/regenerating apparatus using it.
The magnetic recording/regenerating apparatus has a current controller for switching the operating current of the comparator of the AD converter and an ADC controller for receiving an instruction of the conversion speed corresponding to the regenerating frequency. When the current controller receives an instruction for decreasing the conversion speed, it puts the operation state of the AD converter into the low power consumption state.

REFERENCES:
patent: 4353057 (1982-10-01), Bernet
patent: 4602241 (1986-07-01), Dingwall
patent: 4999631 (1991-03-01), Sugimoto
patent: 5291198 (1994-03-01), Dingwall et al.
patent: 5537113 (1996-07-01), Kawabata
patent: 5598161 (1997-01-01), Yamada

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