WL800 Datasheet (Zarlink Semiconductor) - 2.5GHz Frequency Synthesiser

WL800, 2.5GHz Frequency Synthesiser

Power for serial data bus Channel Data in (Synth Programming) Data Clock (Synth Programming) Data Enable (Synth Programming) Power down control Active = Logic 1 Standby = logic 0 Ground connection Set modulation current Set charge pump current Ground connection Modulation data in Compensation capaci

Obsolescence Notice This product is obsolete.

This information is available for your convenience only.

www.DataSheet4U.com For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ WL800 2.5GHz Frequency Synthesiser Preliminary Information DS4583 ISSUE 1.6 October 1997 The WL800 is a low power single chip frequency synthesiser.

The circuit is fabricated on Zarlink Semiconductor HG process and operates from a

WL800 Features

* Low power consumption 2.5GHz input 144 frequencies, 1MHz steps (20MHz crystal) Forms complete phase locked loop using external VCO and loop components Serially programmed via 3 wire bus Contains anti-modulation circuit Part of DE6