LMX2355SLB National Semiconductor, LMX2355SLB Datasheet - Page 21

• Manufacturer Part Number: LMX2355SLB
• Description: PLLatinum Fractional N RF/ Integer N IF Dual Low Power Frequency Synthesizer
• Manufacturer: National Semiconductor

Programming Description
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5.6 ANALOG LOCK DETECT FILTER
When the Fo/LD output is configured in analog lock detect mode an external lock detect circuit is needed in order to provide a
steady LOW signal when the PLL is in the locked state. A typical circuit is shown below.
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5.7 TYPICAL LOCK DETECT TIMING
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