2.7GHz 3-Wire Controlled Frequency Synthesiser Advance Information
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SP5658
2.7GHz 3-Wire Controlled Frequency Synthesiser Advance Information
Supersedes October 1996 Media Handbook HB3923-2 DS4064 March 1998
SP5658 single chip frequency synthesiser designed tuning systems 2.7GHz. preamplifer contains divide prescaler which disabled applications 2GHz enabling step size equal comparison frequency 2GHz twice comparison frequency 2.7GHz. Comparison frequencies obtained either from crystal controlled on-chip oscillator from external source. device contains switching ports, version four pin, together with ``in-lock" flag output. device also contains varactor line disable charge pump disable facility.
CHARGE PUMP CRYSTAL DISABLE ENABLE DATA CLOCK PORT P1/OC
DRIVE
SP5658F
INPUT INPUT LOCK PORT P0/OP
MP14
FEATURES Complete 2.7GHz single chip system Optimised phase noise Selectable divide prescaler Selectable reference division ratio Charge pump disable Varactor line disable `In-lock' flag switching ports version Four switching ports version compatible with SP5659 phase noise synthesiserPP protection (Normal handling procedures should observed) APPLICATIONS SAT, Cable tuning systems Communications systems
CHARGE PUMP CRYSTAL
DRIVE
ENABLE DATA CLOCK PORT PORT
SP5658S
DISABLE
INPUT INPUT LOCK PORT P0/OP PORT P1/OC
MP16
Fig. connections view
ORDERING INFORMATION
SP5658F/KG/MP1S (Tubes, lead SP5658S/KG/MP2S (Tubes, lead SP5658F/KG/MP1T (Tape Mounted) SP5658S/KG/MP2T (Tape Mounted)
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