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XR-2247 - Floppy Disk Write Amplifier

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Part number XR-2247
Manufacturer Exar
File Size 258.88 KB
Description Floppy Disk Write Amplifier
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Description

FUNCTIONAL BLOCK DIAGRAM The XR-2247/2247A is a write amplifier designed to provide the complete interface between write data signals and tunnel-erase magnetic heads.Although primarily intended for floppy disk drive systems, the XR-22471 2247A can also be used in other magnetic media systems such as tape drives.To minimize external part count for dual head systems, complete head switching is does internally with emitter-coupled PNP transistors in the XR-2247 and diodes (which offer improved

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