Frequency modulation encoding
id:
frequency-modulation-encoding-197-5446572
title:
Frequency modulation encoding
text:
Frequency modulation encoding, or simply FM, is a method of storing data that saw widespread use in early floppy disk drives and hard disk drives. The data is modified using differential Manchester encoding when written to allow clock recovery to address timing effects known as "jitter" seen on disk media. It was introduced on IBM mainframe drives and was almost universal among early minicomputer and microcomputer floppies. In the case of floppies, FM encoding allowed about 80 kB of data to be s
brand slug:
wiki
category slug:
encyclopedia
description:
Encoding method used on early floppy and hard disk drives
original url:
https://en.wikipedia.org/wiki/Frequency_modulation_encoding
date created:
date modified:
2023-12-05T16:41:25Z
main entity:
{"identifier":"Q111950281","url":"https://www.wikidata.org/entity/Q111950281"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9f/TCMI_Atari810_front.jpg","width":3182,"height":2400}
fields total:
13
integrity:
15