NE649 - Low Voltage Dolby Noise Reduction Circuit

Signetics

General Description

The NE649 is an audio noise reduction circuit designed for use in low voltage entertainment systems.

level in FM broadcast reception.

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Datasheet Details

Part number	NE649
Manufacturer	Signetics
File Size	141.95 KB
Description	Low Voltage Dolby Noise Reduction Circuit
Datasheet	NE649 Datasheet

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Signetics Linear Products NE649 Low Voltage Dolby Noise Reduction Circuit Product Specification DESCRIPTION The NE649 is an audio noise reduction circuit designed for use in low voltage entertainment systems. The circuit is used to reduce the level of background noise introduced during the recording and playback of audio signals on magnetic tape and improve the noise level in FM broadcast reception. The circuit is intended for use in automotive and portable cassette DolbyTM B-Type noise reduction systems. This circuit is available only to licensees of Dolby Laboratories Licensing Corp., San Francisco.