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NTE974 - Integrated Circuit Phase-Frequency Detector

Description

The NTE974 consists of two digital phase detectors, a charge pump, and an amplifier.

locked loop applications.

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Datasheet Details

Part number NTE974
Manufacturer NTE Electronics
File Size 28.24 KB
Description Integrated Circuit Phase-Frequency Detector
Datasheet download datasheet NTE974 Datasheet
Additional preview pages of the NTE974 datasheet.

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Full PDF Text Transcription

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NTE974 Integrated Circuit Phase–Frequency Detector Description: The NTE974 consists of two digital phase detectors, a charge pump, and an amplifier. In combination with a voltage controlled multivibrator, it is useful in a broad range of phase–locked loop applications. The circuit accepts MTTL waveforms at the R and V inputs and generates an error voltage that is proportional to the frequency and/or phase difference of the input signals. Phase detector #1 is intended for use in systems requiring zero frequency and phase difference at lock. Phase detector #2 is used if quadrature lock is desired. Phase detector #2 can also be used to indicate that the main loop, utilizing phase detector #1, is out of lock. Absolute Maximum Ratings: Supply Operating Voltage Range . . . . . . . . . . . . . .
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