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XR-3471 Datasheet Floppy Disk Write Amplifier

Manufacturer: Exar (now MaxLinear)

General Description

FUNCTIONAL BLOCK DIAGRAM The XR-3471 is a write amplifier designed to provide the complete interface between write data signals and tunnel and stradd Ie erase magnetic heads.

Although primarily intended for floppy disk drive systems, the XR-3471 can also be used in other magnetic media systems such as tape drives.

Write and erase currents are each externally resistor programmable.

Overview

XR-3471 Floppy Disk Write Amplifier GENERAL.

Key Features

  • Fully Programmable Write & Erase Currents Fully Programmable Erase Turn-on/Turn-off Times (Tunnel and Straddle Erase Compatibility) Inhibit Output TTL Compatible Inputs Direct Replacement for Motorola MC3471 R/W2 R/W1 CB NC TOGGLE INH 20 cn.