74HC datasheet, 74HC pdf, 74HC data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, CMOS Phase Lock Loop. 74HC Datasheet, 74HC CMOS Phase Lock Loop Datasheet, buy 74HC 74HC/HCTA. Phase-locked-loop with VCO. For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic.
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This device contains a low power linear voltage controlled oscillator VCOa source follower, and three phase comparators. The three phase comparators have a common signal input and a common comparator input. Datasheett signal input has a self biasing amplifier allowing signals to be either capacitively coupled to the phase comparators with a small signal or directly coupled with standard input logic levels.
This device is similar to the CD except that the Zener diode of the metal gate CMOS device has been replaced with a third phase comparator. This phase detector is more susceptible to locking onto harmonics of the input fre- quency than phase comparator I, but provides better noise rejection. It can be used to provide the phase comparator functions and is similar to the first comparator in performance. Phase comparator II is an edge sensitive digital sequential network.
Two signal outputs are provided, a comparator output and a phase pulse output.
This comparator is more susceptible to noise throw- ing datashfet loop out of lock, but is less likely to lock onto har- monics than the other two comparators. In a typical application any one of the three comparators feed an external filter network which in turn feeds the VCO input.
This input is a very high impedance CMOS input which also drives the source follower. An inhibit pin is provided to disable the VCO and 74hc046 source follower, providing a dtaasheet of putting the IC in a low power state. This output normally is used by tying a resistor from pin 10 to ground, and provides a means of looking at the VCO input without loading down modifying the characteristics of the PLL filter.
Datawheet s Low dynamic power consumption: The MM74HC is a low power phase lock loop utilizing. This device contains a low power linear voltage. The three phase comparators have a.
This device is similar to the CD except. This phase detector is.
It can be used. Phase comparator II is an edge sensitive digital sequential. Two signal outputs are provided, a comparator.
74HC Datasheet(PDF) – Fairchild Semiconductor
The comparator output is. This comparator is more susceptible to noise datawheet. In a typical application any one of the three comparators. This input is a very high impedance CMOS input.
An inhibit pin is provided. The source follower is a MOS transistor whose gate is con. This output normally is used by tying.
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