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SP8855 Datasheet - Mitel Networks

SP8855_MitelNetworksCorporation.pdf

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Datasheet Details

Part number:

SP8855

Manufacturer:

Mitel Networks

File Size:

169.70 KB

Description:

2.8ghz parallel load professional synthesiser.

SP8855, 2.8GHz Parallel Load Professional Synthesiser

Input bus bit 10 Input bus bit 9 Input bus bit 8 Input bus bit 7 Input bus bit 6 Input bus bit 5 Input bus bit 4 Input bus bit 3 Input bus bit 2 Input bus bit 1 Input bus bit 0 0V (prescaler) RF input RF input VCC + 5V (prescaler) VEE 0V Lock detect output C-lock detect Rset Charge pump output Charg

SP8855E 2.8GHz Parallel Load Professional Synthesiser Advance Information Supersedes version in January 1996 Professional Products IC Hanbook, HB2480-3.0 DS4239 - 3.0 March 1999 The SP8855E 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 devices in the series are the SP8852E which is a fully programmable device requiring two 16 bit words to set the RF and reference counters, and the SP8854E which

SP8855 Features

* s 2.8GHz Operating Frequency (IG GRADE) s Single 5V Supply Operation s High Comparison Frequency 50MHz s High Gain Phase Detector 1mA/rad s Programmable Phase Detector Gain s Zero "Dead Band" Phase Detector s Wide range of RF and Reference Divide Ratios s Programming by Hard Wired Inputs s Low cost

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