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LM1894 Datasheet Dynamic Noise Reduction System DNR

Manufacturer: National Semiconductor (now Texas Instruments)

Download the LM1894 datasheet PDF. This datasheet also includes the LM1 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM1-894.pdf) that lists specifications for multiple related part numbers.

General Description

The LM1894 is a stereo noise reduction circuit for use with audio playback systems.

The DNR system is non-complementary, meaning it does not require encoded source material.

The system is compatible with virtually all prerecorded tapes and FM broadcasts.

Overview

LM1894 Dynamic Noise Reduction System DNR December 1994 LM1894 Dynamic Noise Reduction System DNR.

Key Features

  • n Non-complementary noise reduction, “single ended” n Low cost external components, no critical matching Typical.