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LM1894, LM1 Datasheet - National Semiconductor

LM1894 - Dynamic Noise Reduction System DNR

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.

Psychoacoustic masking, and an adaptive bandw

LM1894 Features

* n Non-complementary noise reduction, “single ended” n Low cost external components, no critical matching Typical Application DS007918-1

* R1 + R2 = 1 kΩ total. See Application Hints. Order Number LM1894M or LM1894N See NS Package Number M14A or N14A FIGURE 1. Component Hook-Up for Stereo DNR

LM1-894.pdf

This datasheet PDF includes multiple part numbers: LM1894, LM1. Please refer to the document for exact specifications by model.
LM1894 Datasheet Preview Page 2 LM1894 Datasheet Preview Page 3

Datasheet Details

Part number:

LM1894, LM1

Manufacturer:

National Semiconductor

File Size:

270.24 KB

Description:

Dynamic noise reduction system dnr.

Note:

This datasheet PDF includes multiple part numbers: LM1894, LM1.
Please refer to the document for exact specifications by model.

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