SP8861 Low Power Single-Chip Frequency Synthesiser

Zarlink Semiconductor

Description

SP8861 1 *3GHz Low Power Single-Chip Frequency Synthesiser Supersedes version in the1996 Professional Products IC Handbook, HB2480 - 3.0 DS3640 - 4.
Prescaler and AM Counter The programmable divider chain is of AM counter design and therefore contains a dual modulus front end prescaler, an A counte.

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Datasheet Specifications

Part number: SP8861
Manufacturer: Zarlink Semiconductor
File Size: 308.01 KB
Datasheet: SP8861_ZarlinkSemiconductor.pdf
Description: Low Power Single-Chip Frequency Synthesiser

Features

* s Improved Digital Phase Detector Eliminates HP28 ‘Dead Band’ Effects s Low Operating Power, Typically 175mW
* FPD and FREF outputs are reversed by the phase detector sense bit in the F1/F2 programming word. The s 1
* 3GHz Operating Frequency above diagram is correct when the sense bit is low.

Applications

* containing all the elements (apart from the loop amplifier) required to build a PLL frequency synthesis loop The device is serially programmable by a three-wire data highway and contains three independent buffers to store one reference divider word and two local oscillator divider words. A digital

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SP8861 Low Power Single-Chip Frequency Synthesiser Zarlink Semiconductor

Zarlink Semiconductor SP8861-like datasheet