DP8464B - Disk Pulse Detector

National Semiconductor

The DP8464B by National Semiconductor is a Disk Pulse Detector. Below is the official datasheet preview.

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DP8464B Disk Pulse Detector by National Semiconductor - Datasheet Preview — Official preview page of the **DP8464B** Disk Pulse Detector datasheet (National Semiconductor).

Datasheet Details

Part number	DP8464B
Manufacturer	National Semiconductor
File Size	383.93 KB
Description	Disk Pulse Detector
Datasheet	DP8464B_NationalSemiconductor.pdf
Additional preview pages of the DP8464B datasheet.

DP8464B Product details

Description

The DP8464B Disk Pulse Detector utilizes analog and digital circuitry to detect amplitude peaks of the signal received from the read write amplifier fitted with the heads of disk drives The DP8464B produces a TTL compatible output which on the positive leading edge indicates a signal peak Electrically these peaks correspond to flux reversals on the magnetic medium The signal from the read write amplifier when reading a disk is therefore a series of pulses with alternating polarity The Disk Pulse

Features

Y Y Y Y Y Y Y Y Y Y Wide input signal amplitude range from 20 mVpp to 660 mVpp differential Data rates up to 15 Megabits sec 2 7 code On-chip differential gain controlled amplifier differentiator comparator gating circuitry and output pulse generator Input capacitively coupled directly from the disk head read write amplifier Adjustable comparator hysteresis AGC and differentiator time constants set by external components TTL compatible digital Inputs and Outputs Encoded Data Output may conn.

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Published: Jan 7, 2006 |