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XR-3470A

Exar
Part Number XR-3470A
Manufacturer Exar
Description Floppy Disk Read Amplifier
Published Apr 5, 2018
Detailed Description XR-3470A/3470B Floppy Disk Read Amplifier GENERAL DESCRIPTION The XR-3470Al3470B is read amplifier system designed pri...
Datasheet PDF File XR-3470A PDF File

XR-3470A
XR-3470A

Overview
XR-3470A/3470B Floppy Disk Read Amplifier GENERAL DESCRIPTION The XR-3470Al3470B is read amplifier system designed primarily for use in a floppy disk drive system.
It is designed to perform the complete readback function, by accepting the readback signal from a magnetic head and converting it into digital output pulses.
To perform this function, the circuit contains a high-frequency amplifier, an active differentiator, a zero-crossing detector, and a time domain filter.
The XR-3470Al3470B is suited for systems with data transfer rates up to 3 megabaud.
High input sensitivity allows operation with signal levels as low as 1.
4 mV pp, which gives it the flexibility to be used for single or dou...


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