Transcription of CD4046B Phase-Locked Loop: A Versatile Building Block for ...
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CD4046B Phase-Locked Loop: A Versatile Building Block for ...
Application ReportSCHA002A - February 20031CD4046B Phase-Locked Loop: A Versatile BuildingBlock for Micropower Digital and Analog ApplicationsDavid K. MorganStandard Linear & LogicABSTRACTA pplications of the CD4046B Phase-Locked loop device, such as FM demodulation, FSKdemodulation, tone decoding, frequency multiplication, signal conditioning, clocksynchronization, and frequency synthesis, are discussed. The monolithic-formlow-power-consumption CD4046B particularly is desirable for use in portablebattery-powered .. 2 Review of PLL Fundamentals3.. 3CD4046B PLL Technical Description4.. Phase Comparators5.. Voltage-Controlled Oscillator (VCO)11.. CD4046B PLL Performance Summary12.. 4CD4046B PLL Applications17.. FM Demodulation17.. Frequency Synthesizer19.. Split-Phase Data Synchronization and Decoding20.. PLL Lock Detection21.. SCHA002A2CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower Digital and Analog ApplicationsList of Figures1 PLL Block Diagram3.
6 CD4046B Phase-Locked Loop: A Versatile Building Block for Micropower Digital and Analog Applications Phase comparator I is an exclusive-OR network that operates analogously to an overdriven balanced mixer. To maximize the lock range, the signal- and comparator-input frequencies must have 50% duty cycle.
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