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NE568A - 150MHz phase-locked loop

Description

The NE568A is a monolithic phase-locked loop (PLL) which operates from 1Hz to frequencies in excess of 150MHz and

Features

  • an extended supply voltage range and a lower temperature coefficient of the VCO center frequency in comparison with its predecessor, the NE 568. The NE568A is function and pin-compatible with the NE568, requiring only minor changes in peripheral circuitry (see Figure 3). Temperature compensation network is different, no resistor on Pin 12, needs to be grounded and Pin 13 has a 3.9kΩ resistor to ground. Timing cap, C2, is different and for 70MHz operation with temperature compensation network sho.

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Datasheet Details

Part number NE568A
Manufacturer Philipss
File Size 322.71 KB
Description 150MHz phase-locked loop
Datasheet download datasheet NE568A Datasheet

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Full PDF Text Transcription

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Philips Semiconductors Product specification 150MHz phase-locked loop NE/SA568A DESCRIPTION The NE568A is a monolithic phase-locked loop (PLL) which operates from 1Hz to frequencies in excess of 150MHz and features an extended supply voltage range and a lower temperature coefficient of the VCO center frequency in comparison with its predecessor, the NE 568. The NE568A is function and pin-compatible with the NE568, requiring only minor changes in peripheral circuitry (see Figure 3). Temperature compensation network is different, no resistor on Pin 12, needs to be grounded and Pin 13 has a 3.9kΩ resistor to ground. Timing cap, C2, is different and for 70MHz operation with temperature compensation network should be 16pF, not 34pF as was used in the NE568.
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