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SP8861

Part Number	SP8861
Manufacturer	Mitel Networks
Description	13GHz Low Power Single-Chip Frequency Synthesiser
Published	Jun 7, 2005
Detailed Description	SP8861 1·3GHz Low Power Single-Chip Frequency Synthesiser Supersedes version in the1996 Professional Products IC Handboo...
Datasheet	SP8861 PDF File

Overview

...k, HB2480 - 3.
0 DS3640 - 4.
0 April 1998 The SP8861 is a low power single chip synthesiser intended for professional radio 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 phase detector with two charge pumps, programmable in phase and gain, are provided to improve lock-up performance.
The preset operation of the charge pumps can be overwritten or the comparison frequencies switched to output ports under control of the divider word.
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