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SP8852E

Zarlink Semiconductor
Part Number SP8852E
Manufacturer Zarlink Semiconductor
Description 1.7GHz PARALLEL LOAD PROFESSIONAL SYNTHESISER
Published Apr 17, 2007
Detailed Description SP8852E 2·7GHz Parallel Load Professional Synthesiser Preliminary Information Supersedes January 1996 version, DS4237 - ...
Datasheet PDF File SP8852E PDF File

SP8852E
SP8852E

Overview
SP8852E 2·7GHz Parallel Load Professional Synthesiser Preliminary Information Supersedes January 1996 version, DS4237 - 1.
2 DS4237 - 2.
0 June 1998 The SP8852E is one of a family of parallel load synthesisers containing all the elements apart from the loop amplifier to fabricate a PLL synthesis loop.
Other parts in the series are the SP8854E which has hard wired reference counter programming and requires only a single 16-bit programming word, and the SP8855E which is fully programmable using hard wired links or switches.
The SP8852E is programmed using a 16-bit parallel data bus.
Data can be stored in one of two internal buffers, selected by a single address bit on the input interface.
In order to fully program the device, two 16-bit words are required, one to select the RF division ratio (A and M counters) and phase detector gain, and one to set the 10-bit reference divider count, phase detector state and sense.
Once the reference divide ratio has been set, frequency changes can be ma...


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